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  • Inorganic Chemistry  (1,627)
  • Industrial Chemistry  (1,305)
  • Female  (1,116)
  • Fisheries
  • Seismology
  • 2020-2023  (38)
  • 2005-2009  (1,497)
  • 1950-1954  (2,980)
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  • 1
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    Yemaya No. 63, May 2021 (2022)
    The International Collective in Support of Fishworkers (ICSF) | India
    Details
    Publication Date: 2022-02-21
    Description: Yemaya No. 63, dated May 2021, features articles from US, The Netherlands, Myanmar, Senegal, and an article on women in fisheries and human rights. The article from the US by Linda Behnken argues that a growing coalition of small-scale, community-based fishers is calling for the recognition and protection of Alaska’s invaluable coastal fisheries during COVID-19. The article from the Netherlands by Cornelie Quist looks at the challenges facing women engaged in small-scale fishing and supplying fish through retailers and how they found new ways to directly reach consumers. The conversation between Miranda Bout and Cornelie Quist focuses on how they combined new product development with the use of social media to contact their customer base during the pandemic-induced disruption of traditional marketing chains. The article by Elena Finkbeiner, Juno Fitzpatrick and Whitney Yadao-Evans looks at recent media revelations and scientific research that have brought increased attention to human-rights violations and the myriad social issues facing fisheries, but with a disproportionate focus on labour-rights violations at sea and in industrial fishing operations. The systemic inequalities combined with the effects of COVID-19 exacerbated vulnerabilities of women to health risks, food and livelihood security. The article from Senegal by Aby Dia from Lumière Synergie pour le Développement (LSD), in collaboration with WoMin African Alliance, South Africa, narrates the story of traditional women fish processors from the Bargny who have been, for more than a decade, struggling against development projects that jeopardise their environment, health and livelihoods. In order to preserve their livelihoods, women processors in Senegal have come together to oppose the Tosyali steel project. The European Network of Women in Fisheries and Aquaculture in Europe (AKTEA) urges the Office of the Commissioner for the Environment, Oceans and Fisheries to integrate gender into all aspects of European fishing policy. The Profile column looks at how Linda Behnken became a fisher in Alaska and how fishing has shaped her individuality and work. Natalie Sattler says that fishing for halibut, sablefish and salmon from the sparkling waters of the Pacific along with her children and at the same time passion for working with the Alaska Longline Fishermen’s Association and the Alaska Sustainable Fisheries Trust is an immense challenge.
    Description: Published
    Description: Refereed
    Keywords: Fishing Communities ; Women in fisheries ; Gender ; Small-scale fisheries ; Aquaculture ; Fisheries
    Repository Name: AquaDocs
    Type: Book/Monograph/Conference Proceedings
    Format: 12p.
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  • 2
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    Sitios de agregación reproductiva de pargos (Lutjanidae) en el Parque Nacional Cayos de San Felipe, Cuba. (2022)
    Details
    Publication Date: 2022-06-28
    Description: Las pesquerías basadas en las agregaciones reproductivas pueden amenazar a especies como los pargos que tienen conductas gregarias durante el período reproductivo. Esta nota ofrece elementos que sugieren la existencia de sitios de agregación no registrados previamente y no protegidos en el Parque Nacional Cayos de San Felipe (PNCSF), región suroccidental de Cuba. La información tradicional obtenida de pescadores locales y trabajadores del parque se corroboró con muestreos cualitativos y cuantitativos de peces de arrecifes y datos de pesquerías locales del 2014. En la época de reproducción de pargos (mayo a julio) se observaron grupos de entre 40-100 ejemplares de Lutjanus cyanopterus, Lutjanus synagris y Lutjanus jocu en los arrecifes de la zona occidental del PNCSF (camellones entre 15-30 m de profundidad cerca del borde de la plataforma). Dentro de esa área, se señalan dos sitios que parecen ser utilizados para agregaciones de predesove, por lo que requieren protección y ser estudiados. Los censos cuantitativos confirmaron que en mayo y junio la zona occidental tiene densidad alta de pargos adultos. También, el pico de captura de estas especies ocurrió en la época reproductiva. Se comprobó que las pesquerías se realizaron durante las migraciones de peces hacia el borde de la plataforma en áreas de la zona occidental del PNCSF, y que más del 60% de los individuos tuvieron gónadas maduras (antes de desovar). Esta información debe incentivar el estudio de las agregaciones de desove en esta región de Cuba, la protección de especies amenazadas y áreas de alta significación ecológica y la implementación de pesquerías sostenibles.
    Description: Fisheries based on reproductive aggregations can threaten species such as snappers that have gregarious behavior during the reproductive period. This note provides evidence to support the existence of aggregation sites, not previously registered and unprotected, in the National Park San Felipe Keys (NPSFK), southwestern region of Cuba. Traditionalinformation obtained from local fishermen and from the park staff was complemented with qualitative and quantitative fish reef censuses and local fisheries data in 2014. In the reproductive season of snappers (May to July) groups of between 40-100 specimens of Lutjanus cyanopterus, Lutja- nus synagris and Lutjanus jocu were observed in the western area of the NPSFK on the reefs (spoor and grove between 20-30 m deep close to the platform edge). Within that area two sites are indicated that can be used for prespawning aggregation, so they require protection and study. Quanti- tative censuses confirmed that in May and June the western zone has high density of adult snappers. Also, the peak of capture of these snapper species occurred in the reproduc- tive season. It was found that fisheries carried out during fish migrations to the edge of the shelf in areas of the western area of the NPSFK and more than 60% of the individuals had mature gonads (before spawning). This information should promote the study of spawning aggregations in this region of Cuba, the protection of threatened species and areas of high ecological significance and the implementation of sustainable fisheries.
    Description: Published
    Description: Refereed
    Keywords: Región suroccidental de Cuba ; Desove ; Pesquerías ; Migration routes ; Spawning ; Fisheries ; Rutas migraciones
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.54-65
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  • 3
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    Workshop on ICES Reference Points (WKREF2) (2022)
    International Council for the Exploration of the Sea | Copenhagen, Denmark
    Details
    Publication Date: 2022-09-14
    Description: The ICES Workshop on ICES reference points (WKREF2) was tasked review the WKREF1 report and based on the outcome develop updated guidelines for the ICES reference points system and recommendations for ACOM consideration. The WKREF1 report has suggested 5 key recom- mendations to simplify and harmonise the ICES reference points framework representing a ma- jor change to the current guidelines. At WKREF2, we detailed discussions and four key concerns were raised about the proposed approach. The first related to the simplification of rules to define Blim. Around two thirds of category 1 stocks would end up as WKREF1 “Blim Type 2” where Blim would be set as a fraction of B0. The Allee effect or “depensation” maybe more important than previously thought and should be furthered explored for ICES stocks since it has important consequences for Blim. A number of challenges and issues around defining Blim using the current guidelines were documented. Some suggestions on improvement criteria were discussed including using classifiers to define spas- modic stocks and using change point algorithms to address non-stationary productivity regimes. However, further work is need to make these approaches operational and there was no consen- sus that the WKREF1 Blim types should replace the current guidelines. WKREF1 recommended that the FMSY proxy should be based on a biological proxies and should be less than the deterministic FMSY. It was pointed out that the stochastic FMSY estimated in EqSim for example, is lower than the deterministic FMSY and that the current guidelines ensure that the FMSY should not pose a more than 5% risk to Blim. A large amount of work described in WD 1 was carried out to develop an MSE framework to consistency and robustness test a candidate refer- ence point system for North East Atlantic stocks. However, WKREF2 recommended that further work needs to be carried out to condition and test the simulation framework before the conclu- sions could be adopted by ICES and incorporated into the guidelines. A number of considerations for defining MSY related reference points were discussed including using model validation and prediction skill to ensure that ICES provide robust and credible ad- vice. There is evidence that density dependence (DD) is important in the majority of ICES stocks (68% in recruitment and 54% in growth). The correct prediction of the shape and strength of density-dependence in productivity is key to predicting future stock development and providing the best possible long-term fisheries management advice. A suggested approach to use surplus production models (SPMs) to account for DD in FMSY was suggested and discussed but there was no consensus on whether that approach was appropriate. There was consensus that the FECO approach as a means of adapting target fishing mortality to medium-term changes in productiv- ity should be included in the guidelines subject to a benchmark and ACOM approval. While WKREF1 and 2 focused mainly on Category 1 stocks ToR c) called for a “simplified and harmonised set of guidelines for estimating MSY and precautionary reference points applicable in the advice framework across various ICES stock categories.” Ideally the ICES assessment cat- egories should provide equivalent risk across all stocks. This issue was discussed but no recom- mendations emerged. There was no consensus a revised reference point framework was proposed at WKREF2. How- ever, it was agreed that it should be presented here for further discussion at ACOM and other fora. The key feature of the suggested approach is that the stock status evaluation is treated in- dependent of the Advice Rule (AR). The main feature of the system is that the biomass trigger is not linked to a stock status evaluation, it is linked to the expected biomass when fishing at the target fishing mortality, in contrast to the current ICES approach. It also entailed that FMSY would also become an upper limit of fishing mortality and that the advised fishing mortality would be set at or lower than that level. WKREF2 did not discuss what to do in situations where SSB〈 Blim or alternative forms of HCR for the advice rule. Building community understanding and con- sensus around simplified and harmonised guidelines has yet to be achieved. A further workshop WKREF3 will be required to achieve that aim. The report includes 6 recommendations for ACOM consideration.
    Description: ICES
    Description: The main objective of the workshop was to review the recommendations of WKREF1 and con- sider how these might feed into a new reference points framework and guidelines for ICES. There were a number of presentations on the wider issues of best practice for reference points, the Allee effect, density dependence and the WKIRISH approach. The starting point was to try and develop a set of simplified and harmonised guidelines based on the WKREF1 report rather than evolving the current guidelines to include the WKREF1 conclusions. A key aspect of the meeting was to allow for discussions in order to build a shared understanding of the strengths and weakness of the current framework and of the new framework emerging from WKREF1.
    Description: Published
    Description: Non Refereed
    Keywords: ICES ; Reference points ; Management advice ; Fisheries ; Fishery management reference points
    Repository Name: AquaDocs
    Type: Report
    Format: 103pp
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  • 4
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    The economic tradeoffs and ecological impacts associated with a potential mesopelagic fishery in the California Current (2022)
    Ecological Society of America
    Details
    Publication Date: 2022-10-26
    Description: © The Author(s), 2022. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Dowd, S., Chapman, M., Koehn, L., & Hoagland, P. The economic tradeoffs and ecological impacts associated with a potential mesopelagic fishery in the California Current. Ecological Applications, 32(4), (2022): e2578, https://doi.org/10.1002/eap.2578.
    Description: The ocean's mesopelagic zone (200–1000 m) remains one of the most understudied parts of the ocean despite knowledge that mesopelagic fishes are highly abundant. Apex predators from the surface waters are known to consume these fishes, constituting an important ecological interaction. Some countries have begun exploring the potential harvest of mesopelagic fishes to supply fishmeal and fish oil markets due to the high fish abundance in the mesopelagic zone compared with overfished surface waters. This study explored the economic and ecological implications of a moratorium on the harvest of mesopelagic fishes such as lanternfish off the US West Coast, one of the few areas where such resources are managed. We adapted a bioeconomic decision model to examine the tradeoffs between the values gained from a hypothetical mesopelagic fishery with the potential values lost from declines in predators of mesopelagic fishes facing a reduced prey resource. The economic rationale for a moratorium on harvesting mesopelagics was sensitive both to ecological relationships and the scale of the nonmarket values attributed to noncommercial predators. Using a California Current-based ecological simulation model, we found that most modeled predators of mesopelagic fishes increased in biomass even under high mesopelagic harvest rates, but the changes (either increases or decreases) were small, with relatively few predators responding with more than a 10% change in their biomass. While the ecological simulations implied that a commercial mesopelagic fishery might not have large biomass impacts for many species in the California Current system, there is still a need to further explore the various roles of the mesopelagic zone in the ocean.
    Description: Sally Dowd acknowledges sponsorship from the WHOI Summer Student Fellowship and the Rausser College of Natural Resources Honors Program at UC Berkeley. This project would not have been possible without the guidance provided by Kama Thieler and Carl Boettiger. Porter Hoagland acknowledges funding from the Audacious Project, a collaborative endeavor, housed at TED and the J. Seward Johnson Fund in support of the Marine Policy Center at WHOI.
    Keywords: Bioeconomic model ; Fisheries ; Mesopelagic fishes ; Moratorium ; Nonmarket value ; Predators ; Rpath ; Willingness-to-pay values
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 5
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    The ocean twilight zone’s role in climate change (2022)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-27
    Description: Buesseler, K., Jin, D., Kourantidou, M., Levin, D., Ramakrishna, K., Renaud, P., Ausubel, J., Baltes, K., Gjerde, K., Holland, M., Kostel, K., LaCapra, V., Martin, A., Sosik, H., Thorrold, S., Tierney, T., Joyce, K., Renier, N., Taylor, E. (2022). The Ocean Twilight Zone’s Role in Climate Change. Woods Hole Oceanographic Institution, 32 pp.
    Description: The ocean twilight zone (more formally known as the mesopelagic zone) plays a fundamental role in global climate. It is the mid-ocean region roughly 100 to 1000 meters below the surface, encompassing a half-mile deep belt of water that spans more than two-thirds of our planet. The top of the ocean twilight zone only receives 1% of incident sunlight and the bottom level is void of sunlight. Life in the ocean twilight zone helps to transport billions of metric tons (gigatonnes) of carbon annually from the upper ocean into the deep sea, due in part to processes known as the biological carbon pump. Once carbon moves below roughly 1000 meters depth in the ocean, it can remain out of the atmosphere for centuries to millennia. Without the benefits of the biological carbon pump, the atmospheric CO 2 concentration would increase by approximately 200 ppm 1 which would significantly amplify the negative effects of climate change that the world is currently trying to curtail and reverse. Unfortunately, existing scientific knowledge about this vast zone of the ocean, such as how chemical elements flow through its living systems and the physical environment, is extremely limited, jeopardizing the efforts to improve climate predictions and to inform fisheries management and ocean policy development.
    Description: Funding is: The Audacious Project housed at TED
    Keywords: Climate ; Mesopelagic ; Twilight Zone ; Fisheries ; Carbon Dioxide Removal ; Ocean ; Biological Carbon Pump ; Solubility Pump ; Carbon ; Marine Snow
    Repository Name: Woods Hole Open Access Server
    Type: Other
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  • 6
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    European Fault-Source Model 2020 (EFSM20): online data on fault geometry and activity parameters (2022)
    Details
    Publication Date: 2022-11-18
    Description: Seismology and Earthquake Engineering Research Infrastructure Alliance for Europe (SERA), H2020, grant agreements 730900.
    Description: Published
    Description: 2T. Deformazione crostale attiva
    Description: 6T. Studi di pericolosità sismica e da maremoto
    Description: 4IT. Banche dati
    Keywords: Geology ; Earth sciences of Europe ; Earth sciences of Africa ; Earth sciences of Asia ; Earth Sciences and Geology ; earthquakes ; hazard model ; seismogenic faults ; slip rate ; crustal fault sources ; subduction fault sources ; Seismology ; 04.04. Geology ; 04.06. Seismology ; 04.07. Tectonophysics
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: web product
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  • 7
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    Time-dependent stress response seismicity models (TDSR) (2022)
    GFZ Data Services
    Details
    Publication Date: 2022-08-22
    Description: Methods
    Description: The python tool "Time dependent stress response seismicity model (TDSR)" is a modified effective Coulomb failure model to calculate earthquake rates as a function of stress loading and model parameter. The theory and examples are described in Dahm and Hainzl (2022): A Coulomb Stress response model for time-dependent earthquake forecasts, accepted in Journal of Geophysical Research, Solid Earth (doi xxxxxx). The TDSR toolbox is further developed under github at https://github.com/torstendahm/tdsr . A Sphinx generated code documentation and html pages are provided after installation. Examples published in Dahm and Hainzl (2022) are provided as code examples.
    Keywords: Seismology ; Earthquake Rate Forecast ; EARTH SCIENCE 〉 HUMAN DIMENSIONS 〉 NATURAL HAZARDS 〉 EARTHQUAKES ; EARTH SCIENCE SERVICES 〉 ENVIRONMENTAL ADVISORIES 〉 GEOLOGICAL ADVISORIES 〉 EARTHQUAKES ; EARTH SCIENCE SERVICES 〉 MODELS 〉 GEOLOGIC/TECTONIC/PALEOCLIMATE MODELS
    Type: Software , Software
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  • 8
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    Teleseismic earthquake wavefields observed on the ross ice shelf (2021)
    Cambridge University Press
    Details
    Publication Date: 2022-10-26
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Wiens, D. A., Nyblade, A., Bromirski, P. D., Gerstoft, P., & Stephen, R. A. Teleseismic earthquake wavefields observed on the Ross Ice Shelf. Journal of Glaciology, 67(261), (2021): 58-74, https://doi.org/10.1017/jog.2020.83.
    Description: Observations of teleseismic earthquakes using broadband seismometers on the Ross Ice Shelf (RIS) must contend with environmental and structural processes that do not exist for land-sited seismometers. Important considerations are: (1) a broadband, multi-mode ambient wavefield excited by ocean gravity wave interactions with the ice shelf; (2) body wave reverberations produced by seismic impedance contrasts at the ice/water and water/seafloor interfaces and (3) decoupling of the solid Earth horizontal wavefield by the sub-shelf water column. We analyze seasonal and geographic variations in signal-to-noise ratios for teleseismic P-wave (0.5–2.0 s), S-wave (10–15 s) and surface wave (13–25 s) arrivals relative to the RIS noise field. We use ice and water layer reverberations generated by teleseismic P-waves to accurately estimate the sub-station thicknesses of these layers. We present observations consistent with the theoretically predicted transition of the water column from compressible to incompressible mechanics, relevant for vertically incident solid Earth waves with periods longer than 3 s. Finally, we observe symmetric-mode Lamb waves generated by teleseismic S-waves incident on the grounding zones. Despite their complexity, we conclude that teleseismic coda can be utilized for passive imaging of sub-shelf Earth structure, although longer deployments relative to conventional land-sited seismometers will be necessary to acquire adequate data.
    Description: This research was supported by NSF grants PLR-1142518, 1141916, 1142126, 1246151, 1246416 and OPP-1744852 and 1744856.
    Keywords: Glacier geophysics ; Ice shelves ; Seismology
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 9
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    Equitable allocations in northern fisheries: bridging the divide for Labrador Inuit (2021)
    Frontiers Media
    Details
    Publication Date: 2022-10-26
    Description: © The Author(s), 2021. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Kourantidou, M., Hoagland, P., Dale, A., & Bailey, M. Equitable allocations in northern fisheries: bridging the divide for Labrador Inuit. Frontiers in Marine Science, 8, (2021): 590213, https://doi.org/10.3389/fmars.2021.590213.
    Description: Canada has undertaken commitments to recognize the rights of Indigenous Peoples in fisheries through policies and agreements, including Integrated Fishery Management Plans, the Reconciliation Strategy, and Land Claim Agreements (LCAs). In addition to recognizing rights, these commitments were intended to respect geographic adjacency principles, to enhance the economic viability of Indigenous communities, and to be reflective of community dependence on marine resources. We examined the determinants of quota allocations in commercial fisheries involving Nunatsiavut, Northern Labrador, the first self-governing region for the Inuit peoples in Canada. It has been argued that current fishery allocations for Nunatsiavut Inuit have not satisfied federal commitments to recognize Indigenous rights. Indicators that measure equity in commercial allocations for the turbot or Greenland halibut (Reinhardtius hippoglossoides) and northern shrimp (Pandalus borealis) fisheries were identified and assessed. In these two cases, historical allocations continue to predominate for allocations based upon equity or other social or economic considerations. We illustrate equity-enhancing changes in the quota distribution under scenarios of different levels of inequality aversion, and we make qualitative assessments of the effects of these allocations to Nunatsiavut for socioeconomic welfare. This approach could benefit fisheries governance in Northern Labrador, where federal commitments to equity objectives continue to be endorsed but have not yet been integrated fully into quota allocations.
    Description: This research was undertaken with funding from the Canada First Research Excellence Fund through the Ocean Frontier Institute (MK and MB) and the Johnson Endowment of the Woods Hole Oceanographic Institution’s (WHOI) Marine Policy Center (PH).
    Keywords: Fisheries ; Allocations ; Equity ; Indigenous rights ; Access
    Repository Name: Woods Hole Open Access Server
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  • 10
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    Experiments on the induced spawning and larval rearing of the milkfish, Chanos chanos (Forsskal) in 1979 (2021)
    In:  aqdchief@seafdec.org.ph | http://aquaticcommons.org/id/eprint/18569 | 2002 | 2015-11-15 16:06:30 | 18569 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2022-08-02
    Description: This paper summarizes the results of the experiments on the induced breeding and larval rearing of milkfish (Chanos chanos) during the 1979 season. Milkfish larvae could be reared successfully without the use of trochophore larvae of oysters as feed during the first few days. In order to induce the ovulation of wild adult milkfish a higher dose of human chorionic gonadotropin hormone is required.
    Keywords: Fisheries ; Chanos chanos ; ISEW ; Philippines ; marine environment ; Brood stocks ; Fish culture ; Fish larvae ; Food organisms ; Induced breeding ; Larval development ; Sex hormones
    Repository Name: AquaDocs
    Type: article
    Format: application/pdf
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    Format: 1-3
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  • 11
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    Knowing Asian aquaculture and fisheries. Part 1 (2021)
    In:  library@seafdec.org.ph | http://aquaticcommons.org/id/eprint/20100 | 17342 | 2016-02-24 22:18:26 | 20100 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2022-08-02
    Description: An outline is given of aquaculture and fisheries in Asia, providing information of use to students whose work can influence laws, rules, policy and regulations on aquaculture and fisheries, with the view in mind to sustainable aquaculture. In this issue, the following countries are examined: China, Indonesia, and Bangladesh.
    Keywords: Aquaculture ; Fisheries ; Fishery management ; Aquaculture development ; Aquaculture regulations ; Marine aquaculture ; Freshwater aquaculture ; Fishery industry ; Asia ; Bangladesh ; China
    Repository Name: AquaDocs
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  • 12
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    Knowing Asian aquaculture and fisheries. Part 4 (2021)
    In:  library@seafdec.org.ph | http://aquaticcommons.org/id/eprint/20067 | 2002 | 2016-03-04 15:16:24 | 20067 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Aquaculture ; Vietnam ; Sri Lanka ; Sri Lanka ; Vietnam ; brackishwater environment ; freshwater environment ; marine environment ; Aquaculture ; Aquaculture techniques ; Brackishwater aquaculture ; Feed ; Fish culture ; Fish diseases ; Fisheries ; Fishery data ; Food organisms ; Freshwater aquaculture ; Marine aquaculture ; Marine fisheries ; Mollusc culture ; Pond culture ; Seaweed culture ; Shrimp culture
    Repository Name: AquaDocs
    Type: article
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    Format: pp.9-10, 27
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  • 13
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    Knowing Asian aquaculture and fisheries (2021)
    In:  library@seafdec.org.ph | http://aquaticcommons.org/id/eprint/20055 | 2002 | 2016-03-03 11:33:32 | 20055 | Southeast Asian Fisheries Development Center, Aquaculture Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Aquaculture ; Asia ; Cambodia ; India ; Asia ; Cambodia ; India ; Myanmar ; Myanmar ; brackishwater environment ; freshwater environment ; marine environment ; Aquaculture ; Aquaculture development ; Aquaculture economics ; Aquaculture techniques ; Brackishwater aquaculture ; Catching methods ; Culture effects ; Environmental impact ; Fish culture ; Fisheries ; Fishery development ; Fishery resources ; Fishery statistics ; Freshwater aquaculture ; Marine aquaculture ; Shrimp culture ; Sustainability ; Trade
    Repository Name: AquaDocs
    Type: article
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  • 14
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    Regional survey of heavy metals in fish and fish products: Indonesia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26291 | 23782 | 2019-04-08 09:42:05 | 26291 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Pollution ; Indonesia ; Heavy metals ; Chemical pollution ; Pollution monitoring
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
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    Format: 10-19
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  • 15
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    Regional survey of heavy metals in fish and fish products: Myanmar (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26293 | 23782 | 2019-03-22 03:49:21 | 26293 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Myanmar ; Heavy metals ; Cadmium ; Lead ; Mercury ; Biological sampling ; Fish ; Fishery products ; Seafood
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 38-46
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  • 16
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    Round scad exploration by purse seine in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26259 | 2002 | 2019-03-01 05:56:06 | 26259 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2022-08-02
    Description: Round scad exploration by purse seine in the waters of western Philippines was conducted from April 22 to May 7, 1998 for a period of five (5) fishing days with a total catch of 7.3 tons and an average of 1.5 tons per setting. Dominant species caught were Decapterus spp. having 70.09% of the total catch, followed by Selar spp. at 12.66% and Rastrelliger spp. 10.70%. Among the Decapterus spp. caught, D. macrosoma attained the highest total catch composition by species having 68.81% followed by D. kurroides and D.russelli with 0.31% and 1.14% respectively. The round scad fishery stock was composed mainly of juvenile fish (less than 13 cm) and Age group II (13 cm to 14 cm). Few large round scad at Age group IV and V (20 cm to 28 cm) stayed at the fishery. Other fishes caught were: Auxis rochei (0.85%), A. thazard (0.12%), Caranx spp. (0.45%), Emmilichthys nitidus (0.58%), Euthynnus affinis (0.42%), Leiognathus ruconius (0.58%), Loligo sp. (0.31%), Megalaspis cordyla (0.09%), Rastrelliger spp. (10.70%), Sardinella longiceps (0.03%), Scomberoides lysan (0.24%), Selar spp. (12.66%), Sphyraena spp. (0.90%), Thunnus albacares (0.96%) and others (1.02%). Tuna and tuna like fishes such as yellowfin tuna, eastern little tuna, bullet tuna, frigate tuna and oceanic squid are distributed in the upper latitudes of the survey area. On the other hand, round scads, big-eyed scads and Indian mackerels are dominantly present in the lower latitudes of the survey area.
    Keywords: Fisheries ; Exploratory fishing ; Purse seining ; Age composition ; Catch composition ; Fishery surveys ; Carangid fisheries ; South China Sea ; Philippines ; Rastrelliger ; Decapterus
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    Fisheries in Brunei Darussalam (2021)
    Training Department, Southeast Asian Fisheries Development Center | Samut Prakarn, Thailand
    In:  http://aquaticcommons.org/id/eprint/26215 | 17342 | 2019-02-08 06:25:54 | 26215 | Southeast Asian Fisheries Development Center, Training Department
    Details
    Publication Date: 2022-08-02
    Description: Presented in this paper is the status of the fishery industry in Brunei Darussalam. Specifically, it discussed the following topics: fishery management strategies, zonation scheme, licencing, the use of poisons and explosives, the minimum cod-end mesh size for trawlers, closed areas, enhancement of fishing grounds, and the enforcement activities.
    Keywords: Fisheries ; Fishery resources ; Fishery management ; Fisheries ; Ecological zonation ; Licensing ; Fish poisoning ; Catching methods ; Illegal fishing ; Explosive fishing ; Fishing gear ; Season regulations ; Fishing grounds
    Repository Name: AquaDocs
    Type: book_section
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    Format: application/pdf
    Format: 34-40
    Format: 7
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    Regional survey of heavy metals in fish and fish products: Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26295 | 23782 | 2019-03-22 08:39:12 | 26295 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Thailand ; Cadmium ; Lead ; Mercury ; Biological sampling ; Fish ; Fishery products ; Seafood
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 53-58
    Format: 6
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    Regional survey of heavy metals in fish and fish products: Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26292 | 23782 | 2019-03-22 03:43:09 | 26292 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Malaysia ; Cadmium ; Lead ; Mercury ; Biological sampling ; Fish ; Fishery products ; Seafood
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 20-37
    Format: 18
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    Tuna resource exploration with longline in the South China Sea, Area III: Western Philippines (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26258 | 2002 | 2019-03-01 06:00:19 | 26258 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2022-08-02
    Description: An exploratory tuna longline fishing survey was conducted using the research and training vessels of the Southeast Asian Fisheries Development Center, the 1,178 GT MV SEAFDEC and the Bureau of Fisheries and Aquatic Resources, the 165 GT MV MAYA-MAYA in the South China Sea Waters, West of the Philippines from April to May, 1998. A total of 3,796 hooks was set in sixteen (16) fishing stations. There were no tuna caught during the entire survey but only minor and irrelevant species like the Pacific lancetfish, sharks and an opah species, Lampris guttatus. The important fishing and oceanographic factors during the survey and other research results on longline are described and analyzed. Additional longline studies within and near the Philippines territorial waters are also presented to substantiate the research results of the joint SEAFDEC/BFAR resource exploratory.
    Keywords: Fisheries ; Exploratory fishing ; Catch composition ; Fishery surveys ; Longlining ; Tuna fisheries ; South China Sea ; Philippines
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 39-48
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    Regional survey of pesticide residues in fish and fish products: Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26299 | 23782 | 2019-03-27 06:00:01 | 26299 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Chemistry ; Fisheries ; Malaysia ; Pesticides ; Biological sampling ; Fish ; Fishery products ; Biochemical analysis ; Lethal limits
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 71-74
    Format: 4
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    Regional survey of pesticide residues in fish and fish products: Myanmar (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26300 | 23782 | 2019-03-27 05:58:36 | 26300 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Aquaculture ; Chemistry ; Fisheries ; Myanmar ; Pesticides ; Biological sampling ; Fish ; Fishery products ; Lethal limits
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 75-83
    Format: 9
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    Regional survey of histamine in fish and fish products: Indonesia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26307 | 23782 | 2019-03-27 03:35:56 | 26307 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Indonesia ; Histamines ; Biological sampling ; Fish ; Fishery products ; Quality control
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 116-123
    Format: 8
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    Regional survey of pesticide residues in fish and fish products: Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26303 | 23782 | 2019-03-27 05:51:15 | 26303 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Chemistry ; Fisheries ; Thailand ; Pesticides ; Biological sampling ; Fish ; Fishery products ; Dried products ; Lethal limits
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 100-105
    Format: 6
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    Regional survey of histamine in fish and fish products: Myanmar (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26309 | 23782 | 2019-03-27 03:49:31 | 26309 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Keywords: Fisheries ; Myanmar ; Histamines ; Biological sampling ; Biochemical analysis ; Fish ; Fishery products
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 129-133
    Format: 5
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    Determination of chemical properties of meat: Determination of K value (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26826 | 23782 | 2019-11-21 00:56:12 | 26826 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Presented in the paper is the standard procedure in the determination of K value which is an index to measure the enzymatic freshness of fish and squid. Specifically, reagents, apparatus and the analytical procedures needed and the calculations are presented.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fish inspection ; Fishery industry ; Food technology ; Standards ; Specifications
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: B-6.1-B-6.7
    Format: 7
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    Determination of chemical properties of meat: Freshness testing paper (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26825 | 23782 | 2019-11-21 00:52:35 | 26825 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Presented in the paper is the standard procedure in measuring K value in fish meat by means of the freshness testing paper technique.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fish inspection ; Fishery industry ; Food technology ; Standards ; Specifications
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: B-7.1-B-7.2
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    Determination of physical properties of meat: Measurement of pH (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26802 | 23782 | 2019-11-12 05:28:20 | 26802 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Presented in the paper is the standard procedure in the measurement of pH in the fresh fish meat. Specifically, the procedures in sampling and sample preparation, apparatus and reagents required, and the analytical procedures are presented.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Microbiological analysis ; Fishery products ; Processed fishery products ; Fish inspection ; Fishery industry ; Food additives ; Food technology ; Standards ; Specifications ; pH
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: A-3.1-A-3.2
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    Analysis of additives: Determination of starch (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26842 | 23782 | 2019-11-15 07:54:48 | 26842 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Starch is commonly used in the production of fish jelly products as an extender and as binding agent. The paper provides the methodology in the determination of starch in fish jelly products. Instructions for sample preparation and the reagents needed are presented. Detailed procedures in the determination of the starch in a sample are provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Starch ; Additives ; Food additives
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: D-4.1-D-4.4
    Format: 4
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    Red tides and paralytic shellfish poisoning in the Philippines (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26881 | 23782 | 2019-11-05 02:46:02 | 26881 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Monitoring and investigative work undertaken in the Philippines regarding dinoflagellate blooms are described. Chronological observations of the occurrence of red tides, aerial surveys, spatial distribution of the dinoflagellate and the physical environment are discussed. Fishing and the examination of gut content of fish and mussels and bioassay tests are detailed. Incidents of paralytic shellfish poisoning in the Philippines are considered briefly.
    Keywords: Fisheries ; Health ; Environmental monitoring ; Red tides ; Public health ; Medicine ; Dangerous organisms ; Philippines
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 52-79
    Format: 28
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    Red tide and paralytic shellfish poisoning phenomena in Thailand (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26885 | 23782 | 2019-11-05 02:23:34 | 26885 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: A report is made of the first incidence occurring of paralytic shellfish poisoning in Thailand in May 1983, following an extensive bloom of Trichodesmium erythraeum. Investigations undertaken regarding the source of the toxicity are outlined.
    Keywords: Fisheries ; Health ; Biological poisons ; Public health ; Red tides ; Shellfish ; Dangerous organisms ; Thailand
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 90-91
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    Red tide and paralytic shellfish poisoning in Sabah, Malaysia (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26879 | 23782 | 2019-11-05 02:54:38 | 26879 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: A brief account is given of recent cases of paralytic shellfish poisoning in Sabah, Malaysia, and toxicological studies undertaken. Hydrography surveys, underwater observations after the occurrence of the red tides and plankton studies and monitoring of red tides are discussed.
    Keywords: Fisheries ; Health ; Shellfish ; Toxicity tests ; Red tides ; Public health ; Dangerous organisms ; Malaysia
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 35-42
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    Microbiological procedure: Vibrio cholera (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26852 | 23782 | 2019-11-15 07:36:44 | 26852 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Cholera is an acute specific infection caused by the organism, Vibrio cholera. Diagnosis may be confirmed by the presence of large numbers of the comma-shaped bacilli on direct microscopic examination of a fecal or vomitus smear, and by the isolation of the organism on culture. Fish and shellfish have been identified as vehicles of cholera. Large numbers of V. cholera must usually be ingested to cause cholera. Thus problems often occur when poor handling and inadequate refrigeration have allowed the organism to multiply. Presented in the paper is the methodology of determining the presence of Vibrio cholera in fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Pathogenic bacteria ; Pathogens ; Health and safety ; Public health ; Microbial contamination ; Vibrio cholerae
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: E-7.1-E-7.5
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    Fisheries statistics in Brunei Darussalam (2021)
    Secretariat, Southeast Asian Fisheries Development Center | Bangkok, Thailand
    In:  http://aquaticcommons.org/id/eprint/26890 | 23782 | 2019-11-14 01:01:29 | 26890 | Southeast Asian Fisheries Development Center, Secretariat
    Details
    Publication Date: 2022-08-02
    Description: Fishery statistics in Brunei Darussalam have been collected by the Department of Fisheries since the 1940s. In the early 1980s, a number of statistics were collected, such as catch and effort data of artisanal fishermen, aquaculture statistics, processing statistics as well as data from major wet markets focusing on the amount, prices of marketed fish either from the local fishermen or imported. In 1984, the collection of statistics on commercial fishing was started. The statistics have been used in the formulation of fishery management and development policies as well as for sectoral development. Following a brief account of the responsibility and statistic collections of the Department of Fisheries, an examination is made of employment in the fishery sector, fisheries production, fish marketed and the GDP for the fishery industry. Fisheries in Brunei Darussalam is a very healthy industry, where production is well below the maximum allowable harvestable limit of 20,000 tons at 30%. The Department is embarking to increase production from the capture fishery to reduce the country's dependence on imported fish; the same applies for aquaculture, in order to complement production from the capture fisheries. The processing sector is also increasing in importance, especially with the increase in the number of capture fishery licenses, and the demand for quality and value-added products.
    Keywords: Fisheries ; Marine fisheries ; Fishery statistics ; Aquaculture development ; Aquaculture statistics ; Fish catch statistics ; Marine aquaculture ; Freshwater aquaculture ; Fishery development ; Marine ; Brackish ; Freshwater
    Repository Name: AquaDocs
    Type: book_section
    Format: application/pdf
    Format: application/pdf
    Format: 6-14
    Format: 9
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    Analysis of additives: Determination of salt (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26843 | 23782 | 2019-11-15 07:52:55 | 26843 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Sodium chloride is an important additive for the production of fish jelly products. It extracts the salt soluble protein to give the gel strength of the final product. The paper provides the methodology in the determination of the amount of sodium chloride in fish jelly products. Instructions for sample preparation and the reagents needed are presented. Detailed procedures in the determination of the salt in a sample are provided.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Chemical analysis ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Additives ; Food additives ; Salts ; Sodium chloride
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: D-5.1-D-5.2
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    Microbiological procedure: Vibrio parahaemolyticus (2021)
    Marine Fisheries Research Department, Southeast Asian Fisheries Development Center | Singapore
    In:  http://aquaticcommons.org/id/eprint/26851 | 23782 | 2019-11-14 01:29:31 | 26851 | Southeast Asian Fisheries Development Center, Marine Fisheries Research Department
    Details
    Publication Date: 2022-08-02
    Description: Food poisoning due to Vibrio parahaemolyticus is a food-borne infection resulting from the ingestion of a large number of this organism (about 106-109 viable cells). The major symptoms are diarrhea and abdominal pain with headache, fever, and vomiting also occurring. The organisms are excreted during the acute stage of the illness after which they decrease rapidly. The differentiation of V. parahaemolyticus from other pathogenic species of Vibrio is based mainly on salt tolerance, Voges-Proskauer reaction, fermentation of sucrose, and growth at 43°C. Presented in the paper is the methodology of determining the presence of Vibrio cholera in fish and fishery products.
    Keywords: Chemistry ; Fisheries ; Manuals ; Culture media ; Analysis ; Analytical techniques ; Methodology ; Fishery products ; Fishery industry ; Food technology ; Standards ; Specifications ; Aerobic bacteria ; Microbiological analysis ; Microorganisms ; Pathogenic bacteria ; Pathogens ; Health and safety ; Public health ; Microbial contamination ; Vibrio parahaemolyticus ; Vibrio cholerae
    Repository Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: E-8.1-E-8.6
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    Inventario de Daños y Efectos Geológicos Co y/o Post-Sísmicos del Sismo Ocurrido el 18 de mayo de 1875, en la Frontera entre Colombia y Venezuela (2020)
    Details
    Publication Date: 2022-04-28
    Description: On the border between Colombia and Venezuela, have occurred seismic events with important records of damage in both countries. In this paper, we study the historical earthquake that took place on May 18, 1875 between 11.15 and 11.30 in the morning (the time was the same for communities in both countries since there was no time zone difference), which is catalogued as a border earthquake due to the report of damages in the cities of both nations. The community of San José de Cúcuta, current capital of the Northern State of Santander, Colombia, registered the greatest number of deaths and damage to buildings. An inventory of the geological damage and co -seismic and postseismic effects was created based on information of previous studies and data obtained from archival primary sources from Colombia and Venezuela. The result is a bi-national database, which includes the summaries of historical descriptions with the effects in the persons and objects, the geological damages and effects observed during the seismic event. These data has led to the creation of a table of MM and EMS-98 intensities, which enables the identification and delimitation of the regions of greater damages. The maximum level intensity is I=10 in the cities of San José de Cúcuta, Villa del Rosario, Pueblo de Cúcuta (San Luis) in Colombia and San Antonio, San Juan de Ureña in Venezuela. Moreover, we formulated a table of intensities using the ESI-2007 INQUA scale, based on the information of geological observations described in historical documents. These data are related to the epicentral zone with an approximate radius of 30 km.
    Description: Published
    Description: 105-263
    Description: 5T. Sismologia, geofisica e geologia per l'ingegneria sismica
    Description: N/A or not JCR
    Keywords: historical seismicity ; destruction of communities ; Seismology
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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    Seasonal and spatial variations in the ocean-coupled ambient wavefield of the Ross Ice Shelf (2020)
    Cambridge University Press
    Details
    Publication Date: 2022-10-26
    Description: © The Author(s), 2019. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Baker, M. G., Aster, R. C., Anthony, R. E., Chaput, J., Wiens, D. A., Nyblade, A., Bromirski, P. D., Gerstoft, P., & Stephen, R. A. Seasonal and spatial variations in the ocean-coupled ambient wavefield of the Ross Ice Shelf. Journal of Glaciology, 65(254), (2019): 912-925, doi:10.1017/jog.2019.64.
    Description: The Ross Ice Shelf (RIS) is host to a broadband, multimode seismic wavefield that is excited in response to atmospheric, oceanic and solid Earth source processes. A 34-station broadband seismographic network installed on the RIS from late 2014 through early 2017 produced continuous vibrational observations of Earth's largest ice shelf at both floating and grounded locations. We characterize temporal and spatial variations in broadband ambient wavefield power, with a focus on period bands associated with primary (10–20 s) and secondary (5–10 s) microseism signals, and an oceanic source process near the ice front (0.4–4.0 s). Horizontal component signals on floating stations overwhelmingly reflect oceanic excitations year-round due to near-complete isolation from solid Earth shear waves. The spectrum at all periods is shown to be strongly modulated by the concentration of sea ice near the ice shelf front. Contiguous and extensive sea ice damps ocean wave coupling sufficiently so that wintertime background levels can approach or surpass those of land-sited stations in Antarctica.
    Description: This research was supported by NSF grants PLR-1142518, 1141916, 1142126, 1246151 and 1246416. JC was additionally supported by Yates funds in the Colorado State University Department of Mathematics. PDB also received support from the California Department of Parks and Recreation, Division of Boating and Waterways under contract 11-106-107. We thank Reinhard Flick and Patrick Shore for their support during field work, Tom Bolmer in locating stations and preparing maps, and the US Antarctic Program for logistical support. The seismic instruments were provided by the Incorporated Research Institutions for Seismology (IRIS) through the PASSCAL Instrument Center at New Mexico Tech. Data collected are available through the IRIS Data Management Center under RIS and DRIS network code XH. The PSD-PDFs presented in this study were processed with the IRIS Noise Tool Kit (Bahavar and others, 2013). The facilities of the IRIS Consortium are supported by the National Science Foundation under Cooperative Agreement EAR-1261681 and the DOE National Nuclear Security Administration. The authors appreciate the support of the University of Wisconsin-Madison Automatic Weather Station Program for the data set, data display and information; funded under NSF grant number ANT-1543305. The Ross Ice Shelf profiles were generated using the Antarctic Mapping Tools (Greene and others, 2017). Regional maps were generated with the Generic Mapping Tools (Wessel and Smith, 1998). Topography and bathymetry data for all maps in this study were sourced from the National Geophysical Data Center ETOPO1 Global Relief Model (doi:10.7289/V5C8276M). We thank two anonymous reviewers for suggestions on the scope and organization of this paper.
    Keywords: Antarctic glaciology ; Ice shelves ; Seismology
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 39
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    DISSEMINATING SEISMOLOGY IN LIGURIA, NORTHERN ITALY (2009)
    Details
    Publication Date: 2017-04-03
    Description: We describe and discuss some activities of our working group to disseminate scientific issues concerning seismology to the students of the Region Liguria.
    Description: Published
    Description: Rimini, Italy
    Description: 5.9. Formazione e informazione
    Description: open
    Keywords: Education ; Seismology ; Preparedness ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: Abstract
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  • 40
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    The impact generated on Sea Turtles by Fisheries in the Southwestern Atlantic Ocean (2009)
    WWF Programa Marino para Latinoamérica y el Caribe
    Details
    Publication Date: 2021-05-19
    Description: This document, which is directed at the fishing sector, researchers, conservationists and fishery administrators, was developed by researchers who are members of the Specialists Group for Marine Turtle Research and conservation in the Southwestern Atlantic Ocean (SWA) in response to the urgent need to evaluate the impact generated on sea turtles by fisheries. Historically, sea turtle conservation efforts have focused almost exclusively on the protection of nesting beaches. Nevertheless, over the last decade, research has proved incidental mortality as a result of fishing activities to be one of the greatest threats to these animals. This type of interaction is not only problematic for turtles, but also generates financial losses for fishermen and businesses. In spite of the efforts that are currently underway, researchers still do not have a detailed understanding of the impact that bycatch produces on sea turtle populations in the SWA. We have a long way to go before its effects can be minimized. Further research is needed regarding the biology and ecology of the various turtle species as well as the effective application of mitigation measures. The life cycles of sea turtles are long and complex. Turtles occupy various ecosystems (nesting beaches, coastal, neritic and oceanic zones, as well as pelagic and demersal areas) throughout their lifetimes, transcending various Exclusive Economic Zones and International Waters. The five species that inhabit the SWA region perform vast feeding and reproductive migrations, traveling through areas where many different fishing fleets operate. Therefore, sea turtles in the SWA interact with virtually all fisheries. These circumstances make it necessary to carry out biological, fishing related and conservation studies on a regional level. The efficiency of the existing international and national legal instruments has yet to be determined, in terms of their effectiveness in protecting sea turtles. In some cases, legislation that is specifically related to the interaction between fisheries and turtles does exist, such as those laws requiring the mandatory use of turtle excluding devices (TEDs). There are also explicit bans on sea turtle capture. Nevertheless, none of these regulations prevent sea turtle bycatch. Although some regional legal instruments are needed, these and the existing legislation will only be effective if they are accompanied by a broader range of permanent education and control measures, to achieve the commitment of all the parties involved. The ecosystem approach is gaining popularity among fishery administration organizations. Research and conservation efforts should also be moving in that direction. A regional and international effort is required in order to compile information regarding the bycatch produced by the various types of fisheries and fleets operating in the area. The enormous increase in fishing pressure that these fleets are exerting in this area has not been accompanied by an increase in information regarding the bycatch of species that have no commercial value. Pelagic longlining is one of the fishing methods, which must be most closely monitored, due to the high levels of bycatch that it produces, as well its ample distribution throughout the region, and the high level of fishing effort that it accounts for. Coastal trawlers and gillnetters must also be considered critical players, because they too produce a large rate of bycatch. These are the three types of fisheries that are most broadly distributed throughout the region, accounting for the majority of the fishing effort. Most of the institutions that work toward sea turtle conservation in the area have only begun to address the issue of bycatch over the last decade. This timeframe is reflected in the scope and quantity of the available publications, as well as the progress of activities directed at mitigating this problem. All of the institutions that have been mentioned in this report have made the gathering of information regarding interaction between sea turtles and fisheries one of their top priorities. Some institutions are even developing working programs for monitoring fisheries and testing mitigation measures. Many of these institutions have managed to develop adequate relationships with fishermen, ship owners and administrators. Nevertheless, limited access to funding is an obstacle to the development and testing of mitigation measures. The SWA network, which is a very valuable instrument that was created in 2003, has allowed the region’s institutions and researchers to exchange information and share their experience, in addition to lending each other support in carrying out joint activities, thus strengthening sea turtle conservation efforts. The capacity demonstrated so far by the region’s researchers and institutions, testifies to their ability to continue to make progress in knowledge generation and tests of bycatch mitigation measures.
    Description: Published
    Keywords: Fisheries ; Ecology ; Fishing gear ; Fisheries ; Ecology ; Fishing gear
    Repository Name: AquaDocs
    Type: Book
    Format: 71 pp
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  • 41
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    Boletín Estadístico Pesquero 2008 (2009)
    MGAP | DINARA
    Details
    Publication Date: 2021-01-30
    Description: A partir de la firma del Proyecto de Gestión Pesquera DINARA-FAO (UTF/URU/025/URU), en septiembre de 2007, se comenzó a conformar una Unidad de Economía Pesquera. Sus objetivos se focalizaron en fortalecer la capacidad de recolección y análisis estadístico de la información socio-económica del sector. En el 2008 esta Unidad compiló y realizó un análisis de la información comprendida entre los años 2002 y 2007, reanudando luego de varios años esta publicación histórica. La misma fue un éxito en todo sentido, especialmente para consulta de los diferentes actores del sector. La aceptación y receptividad que ha tenido dicha publicación nos motiva y obliga a continuar en esta línea, rumbo a la obtención de un producto de valor y utilidad, basado exclusivamente en información oficial nacional. Este año retomamos la serie anual poniendo nuevamente a disposición de todos información actualizada, completa y de calidad que estamos seguros será nuevamente de gran beneficio para el sector público como privado, así como de interés para el público en general.
    Description: Published
    Keywords: Fisheries ; Trade ; Fishery statistics ; Fisheries ; Trade
    Repository Name: AquaDocs
    Type: Book
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  • 42
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    El impacto generado por las pesquerías en las tortugas marinas en el Océano Atlántico Sud Occidental (2009)
    WWF Programa Marino para Latinoamérica y el Caribe
    Details
    Publication Date: 2021-05-19
    Description: Este documento, dirigido al sector pesquero, investigadores, conservacionistas y administradores de las pesquerías, surge como respuesta de investigadores pertenecientes al Grupo de Especialistas en Investigación y Conservación de Tortugas Marinas en el Atlántico Sud Occidental (ASO) a la urgente necesidad de evaluar el impacto de las pesquerías sobre las tortugas marinas. Históricamente, los esfuerzos referidos a la conservación de las tortugas marinas se han dirigido casi exclusivamente a proteger las playas de anidación. Sin embargo en la última década se ha podido comprobar que una de las mayores amenazas es la mortalidad incidental causada por las pesquerías. Esta interacción no implica únicamente un problema para las tortugas, sino que también genera pérdidas económicas para los pescadores y las empresas.
    Description: This document, which is directed at the fishing sector, researchers, conservationists and fishery administrators, was developed by researchers who are members of the Specialists Group for Marine Turtle Research and Conservation in the Southwestern Atlantic Ocean (SWA) in response to the urgent need to evaluate the impact generated on sea turtles by fisheries. Historically, sea turtle conservation efforts have focused almost exclusively on the protection of nesting beaches. Nevertheless, over the last decade, research has proved incidental mortality as a result of fishing activities to be one of the greatest threats to these animals. This type of interaction is not only problematic for turtles, but also generates financial losses for fishermen and businesses.
    Description: Cont. fotografías
    Description: Published
    Description: Sea Turtle, keeping
    Keywords: Fisheries ; Ecology ; Fishing gear ; Fisheries ; Ecology ; Fishing gear
    Repository Name: AquaDocs
    Type: Book
    Format: 71
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  • 43
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    Un estudio de histamina en Dorado MAHI-MAHI Coryphaena hippurus y su relación con la calidad de producto de la pesca ecuatoriana (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: El presente trabajo llama la atención a las recientes epidemias de intoxicación histamínicas reportadas en los Estados Unidos, debido al consumo del dorado (Coryphaena hippurus) o Mahi-Mah, contaminado. Esto dió como resultado la prohición de las importaciones de esta especie, proveniente de varios países entre ellos el Ecuador, y siendo el dorado una especie de relativa importancia económica en este país, dicha prohibición ha preocupado al sector pesquero. Los estudios llevados a cabo muestran claramente la susceptibilidad de esta especie a desarrollar histamina. Esto se debe principalmente a la temperatura a la que está expuesta, pues la demora antes de enhielar el pescado es la etapa crítica. Los resultados muestran un aumento exponencial de los niveles de histamina, en ciertos casos después de tan solo 9 horas de almacenaje a temperaturas ambientales entre 25-30°C. Los niveles de histamina en pescado muestreado en el mercado local fueron tan altos como 250 mg/100g de muestra. Se demuestra que el problema se debe fundamentalmente al mal manejo de la captura por parte de la flota artesanal, y la subsecuente falta de infraestructura adecuada para conservarla, es decir, no se enfría el pescado. Sin embargo, el estudio muestra que una reducción de la temperatura del pescado de solo 15° menos, podría dar como resultado un producto de mayor calidad. En el presente trabajo se hacen recomendaciones para establecer un nivel máximo permitido para la exportación de 10 mg%, y se comparan dos métodos rápidos de análisis.
    Description: Published
    Keywords: Fisheries ; Histamines ; Quality control ; Fisheries
    Repository Name: AquaDocs
    Type: Journal Contribution
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  • 44
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    Un estudio de la factibilidad del uso de trampas para peces como un nuevo método de pesca en las Islas Galápagos (2009)
    INP (Ecuador)
    Details
    Publication Date: 2021-05-19
    Description: 153 experimental sets were made with stackable Antillean fish traps in depths of 5 to 30 m in the waters around the Galápagos Island (Ecuador), between Octobre and April 1983. 1,885 fish were caught of 18 species mainly of the families Pomadasyidae, Acanthuridae, Sparidae and Serranidae. The mean catch rate was 5,5 Kg per lift or 0,4 Kg.h-1, and the mean weight of the fish caught was 0,45 Kg. The optimum set duration was found to be between 2 and 18 hours (possibly indicating a high rate of escape). This study took place during the period of the ”El Niño”, when catches of fish in this area generally were low, and it is not known what effect this had. The catches were good compared with other shallow areas, but the fishes caught were mainly of medium quality. It is thought that significant increases in the quantity and quality of the catch could be obtained with commercial traps in deeper areas, but the efficient use of these would require new vessels and equipment, and the resulting increase in fishing effort could lead to overfishing of the most acceptable species of reef fish. Hence the development of fishery using fish traps is not recommended for Galápagos. A study of the biology of the fish caught was carried out. A bibliography of references on fish traps and their use was compiled and is included.
    Description: Published
    Keywords: Fisheries ; Trap fishing ; Fisheries ; Catch statistics ; Trap fishing
    Repository Name: AquaDocs
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  • 45
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    Rapport national sur l'état de l'environnement marin et côtier (2009)
    Details
    Publication Date: 2021-01-30
    Description: Le domaine maritime sénégalais s’étend de 18°00 N, -20°00 W, -16°30 E, 12°15 S ; la presqu’île du Cap-Vert située entre 14°30 N et 15°00 N le divise en deux zones aux caractéristiques topographiques distinctes. Au nord, le plateau continental est peu étendu vers le large et orienté Nord-Nord/Est. Au sud de la presqu’île, le plateau s’élargit et le talus continental est orienté nord-sud. L’embouchure du fleuve Sénégal au Sénégal au Nord de la presqu’île du Cap-Vert et celles de la Gambie et de la Casamance au Sud constituent également un trait marquant de cette région. Les travaux réalisés au Sénégal en océanographie ont montré : - l’existence de deux saisons marines aux caractéristiques très différentes qui se succèdent : une saison chaude de juillet à octobre et une saison froide de décembre à mai. Ces deux saisons sont séparées par des périodes de transition. Pendant la saison froide, les alizés (vent de secteur nord-ouest à nord-est) s’établissent et engendrent à la côte une résurgence d’eau profonde (upwelling) vers la surface ; - la mise en évidence de systèmes de grands courants aux caractéristiques différentes : le courant des Canaries et le contre courant équatorial ; - la description de trois grandes houles au large du Sénégal : o la houle de Nord-Nord ouest qui a lieu toute l’année o la houle de Sud-Sud ouest apparaissant pendant l’hivernage o la houle d’ouest possible aux environs du mois de novembre. Le littoral sénégalais représente une zone d’intérêt stratégique à la fois sur le plan démographique, économique et environnemental. Les milieux naturels, dans un état de conservation relativement préservé, produisent des ressources vitales pour les 11 millions d’habitants peuplant le Sénégal. L’économie nationale sénégalaise est très dépendante de ces ressources côtières et marines qui constituent les principales recettes en devises, qu’il s’agisse de pêche ou de tourisme. L’analyse de la situation et des tendances montre que la zone côtière fait l’objet de pressions diversifiées et de plus en plus lourdes. Ces pressions se traduisent souvent par des conflits d’intérêts entre les différents secteurs et par des impacts qui génèrent une dégradation de l’environnement et des conditions de vie des populations. Cette évolution risque ainsi de compromettre les potentialités de développement offertes par les 700 Km de littoral sénégalais. La pression démographique se développe préférentiellement sur la zone côtière qui accueille déjà près de 60% des habitants, notamment dans les centres urbains et les capitale, toutes situées en bord de mer, et qui continuent à recevoir des populations en provenance de l’intérieur, réfugiés climatiques ou économiques, ou simplement jeunesse attirée par les « lumières de la ville ». Cet exode, à l’origine de dysfonctionnements des systèmes de production ruraux qui manquent peu à peu de main d’oeuvre, contribue à son tour à générer des perturbations au niveau des centres urbains où la misère se substitue parfois à la pauvreté.
    Description: Les besoins en matériaux de construction consécutifs à cette évolution démographique entraînent des prélèvements massifs de sable sur les plages qui ont à leur tour des conséquences négatives sur l’érosion et la protection du littoral. La fragilisation des cordons dunaires augmente ainsi les risques d’inondations des terres, la ville de Saint Louis étant particulièrement vulnérable à cet égard. Les besoins en développement ont conduit à la réalisation d’infrastructures le long du littoral. Ces constructions, qui tiennent trop rarement compte des contraintes environnementales, ont entraîné des répercussions structurelles sur l’équilibre de la zone côtière. Ainsi, les barrages anti-sel, tel le barrage de Diama sur le fleuve Sénégal, ont entraîné des répercussions sur le fonctionnement de certains écosystèmes côtiers. En condamnant les influences des apports d’eau douce ils appauvrissent les milieux situés en aval, stérilisant peu à peu des zones riches en ressources ainsi que les économies et les cultures qui en dépendent. Le ralentissement des courants et la baisse de salinité en amont du barrage favorisent l’apparition de certaines plantes envahissantes, telles que la bilharziose ou le paludisme. Les effectifs de poissons dépendant de milieux à salinité variable sont directement affectés, expliquant par exemple une chute de près de 70% des captures dans le bas delta du Sénégal. Les besoins du développement se traduisent également par l’amélioration ou la création d’axes routiers qui, dans la majorité des cas, longent la zone côtière. Ces ouvrages entraînent des impacts directs sur l’environnement, tels la destruction des mangroves là où les routes barrent l’écoulement des marées (exemple de la route Samba Dia – Djifère. Les systèmes de production traditionnels sont en règle générale peu préparés à faire face à des circuits de commercialisation organisés à une échelle régionale ou internationale, où à des technologies plus performantes, et éprouvent des difficultés à maintenir un contrôle sur leur terroir. Faute de pouvoir opérer une métamorphose rapide de leur système de production, le risque existe de voir peu à peu disparaître des savoir-faire d’une grande valeur dans la gestion même de ces territoires et de leurs ressources et , plus généralement, des cultures qui leur sont associées. Le développement industriel exerce des impacts potentiels ou réels de grande magnitude sur la zone côtière et marine. Les secteurs les plus significatifs à cet égard sont le tourisme et les hydrocarbures. Concernant le premier, les infrastructures, principalement orientées vers le tourisme balnéaire, sont en grande majorité installées à proximité directe de la zone côtière. L’absence quasi généralisée d’études d’impacts approfondies et indépendantes a conduit à de nombreux échecs. Ainsi, la plupart des projets ont été pensés et réalisés sans tenir suffisamment compte des contextes socio-économiques, culturels et environnementaux dans lesquels ils s’insèrent. Certaines réalisations ont été planifiées sur des secteurs soumis à une forte érosion littorale, compromettant de façon irrémédiable non seulement les investissements mais l’utilisation ultérieure du site, comme cela s’est produit sur les plages au sud immédiat du Cap Skirring. Les questions relatives à la disponibilité en eau douce qui se posent de façon cruciale dans le Saloum par exemple, à la gestion des déchets et des eaux usées ne sont que rarement prises en considération de façon structurelle et durable, conduisant à la dégradation de l’environnement ou à des conflits avec les communautés locales qui nuisent à la qualité même du tourisme. L’exploration et l’exploitation des ressources en hydrocarbures représentent aussi un secteur d’intérêt stratégique avec une généralisation des prospections. Si la découverte de gisement d’intérêt commercial représente une opportunité majeure pour l’économie nationale, elle soulève néanmoins un certain nombre de questions au regard de l’environnement. En effet les des puits. Parmi ces risques nous pouvons citer les impacts des études sismiques sur les organismes marins, notamment poissons et cétacés, le rejet de fluides toxiques et déblais de forage, le déversement des eaux de production et les pollutions aiguës dues à des accidents intervenant pendant le forage, le stockage ou le transport. Le Sénégal en ce moment, en est au stade de la prospection. Toutefois, pour ce qui concerne le transport d’hydrocarbures, plus de 90 000 0000 de tonnes d’hydrocarbures transitent par les côtes sénégalaises. Les modèles de dérive des nappes élaborés par la Compagnie pétrolière Woodside en relation avec le champ de Chinguetti, actuellement en cours de production au large de la Mauritanie, montrent des probabilités d’impact sur les côtes allant du golfe d’Arguin jusqu’à Dakar, en cas d’accident. La surexploitation des ressources halieutiques constitue également un problème au niveau de l’environnement marin et côtier. En effet, si une partie de la fluctuation des biomasses peut s’expliquer par les changements du régime des upwellings, la baisse des captures s’explique par un effort de pêche excessif, que ce soit dans le sous-secteur industriel ou artisanal. A cette surcapacité vient s’ajouter la présence de flottes illicites non déclarées et non réglementées. L’utilisation de certains engins ou pratiques de pêche contribue à aggraver la situation : la pêche crevettière est à l’origine de prises accidentelles qui représentent jusqu’à 85 % du total des captures, incluant des espèces protégées comme les tortues marines, et qui sont rejetés à la mer . Les chaluts de fonds, qui vont pêcher jusqu’à 800 m de profondeur, ainsi que les dragues à coquillages entraînant des dégâts structurels sur les écosystèmes De plus l’influence des marchés à l’exportation exerce des pressions sélectives sur certaines espèces, les espèces démersales de poissons, céphalopodes étant les plus recherchées sur le marché. Les changements climatiques ont également des impacts négatifs sur l’environnement marin et côtier. On sait que l’élévation du niveau marin aura des répercussions directes sur les installations humaines littorales ainsi que sur les écosystèmes insulaires et côtiers. Des zones de mangroves entières qui ne disposent pas des conditions écologiques pour s’adapter peuvent disparaître, entraînant des risques accrus d’érosion et d’inondation. Ces mêmes risques se multiplient avec la fréquence accrue des épisodes météorologiques exceptionnels tels que les ondes de tempêtes capables de drosser les pirogues à la côte ou de provoquer la rupture de cordons dunaires. On sait par ailleurs que le réchauffement de la température des mers influe négativement sur la productivité des océans et la dynamique des courants tels que le courant profond originaire de l’antarctique et qui exporte vers le Sénégal et les autres pays de la sousrégion des sels nutritifs présents dans les upwellings. On observe également une diminution de la puissance des alizés qui pourrait avoir des répercussions directes sur la force des upwellings et donc sur la productivité des pêcheries et du milieu marin en général. La stratégie de réponse proposée combine une protection des zones côtières importantes et un reboisement des dunes littorales dans les secteurs de la côte nord et de la Flèche de Sangomar particulièrement menacés. L’évaluation économique de cette stratégie montre qu’elle est coûteuse mais nettement en deçà de la valeur économique des terres qu’elle sera amenée à protéger. Des efforts complémentaires devront cependant être faits pour évaluer le coût d’autres solutions de protection telles que le nourissement artificiel des plages. Par ailleurs, la stratégie envisagée ne répondant qu’à l’un des impacts des changements climatiques, à savoir les inondations, toute une série de mesures dites d’accompagnement ont été suggérées qui visent à diminuer la vulnérabilité en gérant mieux les ressources présentes dans la zone côtière, en développant les techniques de récupération des sols salés et en prenant des mesures législatives et institutionnelles appropriées. Enfin, il est très important de souligner que ces différentes mesures ne devraient être envisagées que dans un cadre plus global de gestion intégrée des zones côtières, seul à même d’assurer la participation de l’ensemble des acteurs concernés, l’éducation, la recherche et l’information environnementales mais aussi la cohérences et le suivi des mesures.
    Description: Ministère de l'Environnement, de la Protection de la Nature, des Bassins de Rétention et des Lacs Artificiels, Dakar (Sénégal)
    Description: Published
    Description: écosystéme marin; technique de pêche; filet; érosion côtière; pollution; pêche; flore; environnement; migration; pêcheur; oiseau d'eau; tortue marine; lamantin; requin; mammifére marin; réglementation; mangrove; écosystème; estuaire; delta
    Keywords: Deltas ; Ecosystems ; Marine environment ; Aquatic birds ; Fishermen ; Fisheries ; Mangroves ; Coastal erosion ; Flora ; Fishing nets ; Deltas ; Ecosystems ; Mangroves ; Coastal erosion ; Marine environment ; Marine mammals ; Shark fisheries ; Turtle fisheries ; Aquatic birds ; Fishermen ; Migrations ; Flora ; Fisheries ; Marine pollution ; Fishing nets ; Climatic changes
    Repository Name: AquaDocs
    Type: Report , Non-Refereed
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    From Farming to Fishing: Marine Resource Conservation (2009)
    Western Indian Ocean Marine Science Association
    Details
    Publication Date: 2021-05-19
    Description: This paper examines the arrival of a new group of fishermen on the Kenyan coast and what this has meant for the state of fishery resources. It reviews four subject areas: access and the number of fishermen; the fishermen’s identity; the choice of fishing gear; and the fishing grounds selected. Data were collected from a small number of fishing households in the villages of Uyombo and Takaungu in Kilifi District, using mainly qualitative research methods. Local households on the Kenyan coast face increasing pressure on land as well as on marine resources. The declining economic situation and greater pressure on land have made people turn to fishing as an income-generating activity. This group of fishermen is referred to as the ‘new’ generation of fishermen as they have been involved in fishing for only one or two generations (including the current one) in contrast to the ‘old’ generation from families who have been fishing or in fishingrelated activities for much longer. The old generation of fishermen and their households have also diversified their incomes, with many fishing households turning to farming, for example, with women and grown-up children involved in various activities. The new generation of fishermen, mainly of the Mijikenda population group, has often been blamed for the loss of traditional access regulations and for using harmful fishing gear. This paper discusses the new generation of fishermen and their identity as they perceive it and relates this to employment generation as a policy measure for marine conservation.
    Description: Published
    Description: Artisanal fisheries;household survey; income diversification; marine conservation,
    Keywords: Fisheries ; Fishery resources ; Fisheries ; Fishery resources
    Repository Name: AquaDocs
    Type: Journal Contribution
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    Ambient noise analysis and finite difference modelling of VLF borehole seismic data (2009)
    Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-25
    Description: This report describes a preliminary analysis of borehole seismic data to determine VLF/Sub-bottom Seismic Noise in the Atlantic and the preliminary results of finite difference modelling for a Cape Fear environment. Noise levels were not a simple function of depth and there are indications that noise levels may depend on local geology about a given receiver position and/or on clamping. Coherency of the noise was generally poor (〈0.8) and was independent of depth. There is no evidence for distinct polarizations or directionality of the noise. The lowest determined value for ambient noise power on the vertical component was 10-4 nm2/Hz in the frequency range from 5-50 Hz. The better clamped horizontal component had comparable power values. In conclusion, although the drill ship was on the site and drill pipe was in the hole, analysis of the data for a large number of windows can provide meaningful upper bounds on the ambient noise levels in the upper crust.
    Description: Prepared for the Naval Ocean Research and Development Activity as the final report for Contract Purchase Order No. N62306-86-l4-7589
    Keywords: Ambient sounds ; Seismology
    Repository Name: Woods Hole Open Access Server
    Type: Working Paper
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    Plan directeur de développement forestier pêche et aquaculture continentales (2009)
    Details
    Publication Date: 2021-05-19
    Description: FAO, Rome (Italie);Ministère du Développement et de l'Hydraulique, Dakar (Sénégal)
    Description: Published
    Description: Plan de développement; fôret; pêche; milieu continental; aquaculture; pisciculture ; bilan ; facteur climatique; facteur hydrologique ; facteur socio économique; population rurale; ressources naturelles; poisson d'eau douce; ressources naturelles; gestion de l'environnement; technique de pêche; commercialisation ; consommation; projet de développement
    Keywords: Natural resources ; Fisheries ; Aquaculture ; Marketing ; Development projects ; Forests ; Climatic data ; Hydrology ; Inland water environment ; Aquatic environment ; Development potential ; Fisheries ; Aquaculture ; Marketing ; Development projects ; Fish consumption ; Hydrology ; Inland water environment ; Aquatic environment ; Forests ; Socioeconomic aspects ; Climatic data ; Natural resources ; Freshwater
    Repository Name: AquaDocs
    Type: Book
    Format: 412144 bytes
    Format: application/pdf
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    The sequence and de novo assembly of the giant panda genome (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-12-17
    Description: Using next-generation sequencing technology alone, we have successfully generated and assembled a draft sequence of the giant panda genome. The assembled contigs (2.25 gigabases (Gb)) cover approximately 94% of the whole genome, and the remaining gaps (0.05 Gb) seem to contain carnivore-specific repeats and tandem repeats. Comparisons with the dog and human showed that the panda genome has a lower divergence rate. The assessment of panda genes potentially underlying some of its unique traits indicated that its bamboo diet might be more dependent on its gut microbiome than its own genetic composition. We also identified more than 2.7 million heterozygous single nucleotide polymorphisms in the diploid genome. Our data and analyses provide a foundation for promoting mammalian genetic research, and demonstrate the feasibility for using next-generation sequencing technologies for accurate, cost-effective and rapid de novo assembly of large eukaryotic genomes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3951497/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3951497/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Ruiqiang -- Fan, Wei -- Tian, Geng -- Zhu, Hongmei -- He, Lin -- Cai, Jing -- Huang, Quanfei -- Cai, Qingle -- Li, Bo -- Bai, Yinqi -- Zhang, Zhihe -- Zhang, Yaping -- Wang, Wen -- Li, Jun -- Wei, Fuwen -- Li, Heng -- Jian, Min -- Li, Jianwen -- Zhang, Zhaolei -- Nielsen, Rasmus -- Li, Dawei -- Gu, Wanjun -- Yang, Zhentao -- Xuan, Zhaoling -- Ryder, Oliver A -- Leung, Frederick Chi-Ching -- Zhou, Yan -- Cao, Jianjun -- Sun, Xiao -- Fu, Yonggui -- Fang, Xiaodong -- Guo, Xiaosen -- Wang, Bo -- Hou, Rong -- Shen, Fujun -- Mu, Bo -- Ni, Peixiang -- Lin, Runmao -- Qian, Wubin -- Wang, Guodong -- Yu, Chang -- Nie, Wenhui -- Wang, Jinhuan -- Wu, Zhigang -- Liang, Huiqing -- Min, Jiumeng -- Wu, Qi -- Cheng, Shifeng -- Ruan, Jue -- Wang, Mingwei -- Shi, Zhongbin -- Wen, Ming -- Liu, Binghang -- Ren, Xiaoli -- Zheng, Huisong -- Dong, Dong -- Cook, Kathleen -- Shan, Gao -- Zhang, Hao -- Kosiol, Carolin -- Xie, Xueying -- Lu, Zuhong -- Zheng, Hancheng -- Li, Yingrui -- Steiner, Cynthia C -- Lam, Tommy Tsan-Yuk -- Lin, Siyuan -- Zhang, Qinghui -- Li, Guoqing -- Tian, Jing -- Gong, Timing -- Liu, Hongde -- Zhang, Dejin -- Fang, Lin -- Ye, Chen -- Zhang, Juanbin -- Hu, Wenbo -- Xu, Anlong -- Ren, Yuanyuan -- Zhang, Guojie -- Bruford, Michael W -- Li, Qibin -- Ma, Lijia -- Guo, Yiran -- An, Na -- Hu, Yujie -- Zheng, Yang -- Shi, Yongyong -- Li, Zhiqiang -- Liu, Qing -- Chen, Yanling -- Zhao, Jing -- Qu, Ning -- Zhao, Shancen -- Tian, Feng -- Wang, Xiaoling -- Wang, Haiyin -- Xu, Lizhi -- Liu, Xiao -- Vinar, Tomas -- Wang, Yajun -- Lam, Tak-Wah -- Yiu, Siu-Ming -- Liu, Shiping -- Zhang, Hemin -- Li, Desheng -- Huang, Yan -- Wang, Xia -- Yang, Guohua -- Jiang, Zhi -- Wang, Junyi -- Qin, Nan -- Li, Li -- Li, Jingxiang -- Bolund, Lars -- Kristiansen, Karsten -- Wong, Gane Ka-Shu -- Olson, Maynard -- Zhang, Xiuqing -- Li, Songgang -- Yang, Huanming -- Wang, Jian -- Wang, Jun -- R01 HG003229/HG/NHGRI NIH HHS/ -- R01 HG003229-05/HG/NHGRI NIH HHS/ -- England -- Nature. 2010 Jan 21;463(7279):311-7. doi: 10.1038/nature08696. Epub 2009 Dec 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉BGI-Shenzhen, Shenzhen 518083, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20010809" target="_blank"〉PubMed〈/a〉
    Keywords: Algorithms ; Animals ; China ; Conserved Sequence/genetics ; Contig Mapping ; Diet/veterinary ; Dogs ; Evolution, Molecular ; Female ; Fertility/genetics/physiology ; Genome/*genetics ; *Genomics ; Heterozygote ; Humans ; Multigene Family/genetics ; Polymorphism, Single Nucleotide/genetics ; Receptors, G-Protein-Coupled/genetics ; Sequence Alignment ; Sequence Analysis, DNA ; Synteny/genetics ; Ursidae/classification/*genetics/physiology
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    No bull: genes for better milk (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-01-23
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dalton, Rex -- England -- Nature. 2009 Jan 22;457(7228):369. doi: 10.1038/457369a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19158758" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breeding/economics/*methods ; Cattle/*genetics ; Dairying/economics/*methods ; Female ; Internationality ; Male ; Milk/*secretion/*standards ; Oligonucleotide Array Sequence Analysis ; Polymorphism, Single Nucleotide/genetics ; United States ; United States Department of Agriculture
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Linking the p53 tumour suppressor pathway to somatic cell reprogramming (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-08-12
    Description: Reprogramming somatic cells to induced pluripotent stem (iPS) cells has been accomplished by expressing pluripotency factors and oncogenes, but the low frequency and tendency to induce malignant transformation compromise the clinical utility of this powerful approach. We address both issues by investigating the mechanisms limiting reprogramming efficiency in somatic cells. Here we show that reprogramming factors can activate the p53 (also known as Trp53 in mice, TP53 in humans) pathway. Reducing signalling to p53 by expressing a mutated version of one of its negative regulators, by deleting or knocking down p53 or its target gene, p21 (also known as Cdkn1a), or by antagonizing reprogramming-induced apoptosis in mouse fibroblasts increases reprogramming efficiency. Notably, decreasing p53 protein levels enabled fibroblasts to give rise to iPS cells capable of generating germline-transmitting chimaeric mice using only Oct4 (also known as Pou5f1) and Sox2. Furthermore, silencing of p53 significantly increased the reprogramming efficiency of human somatic cells. These results provide insights into reprogramming mechanisms and suggest new routes to more efficient reprogramming while minimizing the use of oncogenes.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735889/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2735889/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kawamura, Teruhisa -- Suzuki, Jotaro -- Wang, Yunyuan V -- Menendez, Sergio -- Morera, Laura Batlle -- Raya, Angel -- Wahl, Geoffrey M -- Izpisua Belmonte, Juan Carlos -- 5 R01 CA061449/CA/NCI NIH HHS/ -- 5 R01 CA100845/CA/NCI NIH HHS/ -- R01 CA061449/CA/NCI NIH HHS/ -- R01 CA061449-30/CA/NCI NIH HHS/ -- R01 CA100845/CA/NCI NIH HHS/ -- R01 CA100845-05/CA/NCI NIH HHS/ -- R33 HL088293/HL/NHLBI NIH HHS/ -- R33 HL088293-03/HL/NHLBI NIH HHS/ -- England -- Nature. 2009 Aug 27;460(7259):1140-4. doi: 10.1038/nature08311. Epub 2009 Aug 9.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gene Expression Laboratory, Salk Institute for Biological Studies, 10010 North Torrey Pines Road, La Jolla, California 92037, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19668186" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cells, Cultured ; Cellular Reprogramming/*physiology ; Cyclin-Dependent Kinase Inhibitor p21/deficiency/genetics/metabolism ; Down-Regulation ; Embryo, Mammalian/cytology ; Female ; Fibroblasts/cytology/metabolism ; Humans ; Keratinocytes ; Male ; Mice ; Mice, Inbred C57BL ; Pluripotent Stem Cells/*cytology/*metabolism ; Tumor Suppressor Protein p53/deficiency/genetics/*metabolism
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Reconstructing Indian population history (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-09-26
    Description: India has been underrepresented in genome-wide surveys of human variation. We analyse 25 diverse groups in India to provide strong evidence for two ancient populations, genetically divergent, that are ancestral to most Indians today. One, the 'Ancestral North Indians' (ANI), is genetically close to Middle Easterners, Central Asians, and Europeans, whereas the other, the 'Ancestral South Indians' (ASI), is as distinct from ANI and East Asians as they are from each other. By introducing methods that can estimate ancestry without accurate ancestral populations, we show that ANI ancestry ranges from 39-71% in most Indian groups, and is higher in traditionally upper caste and Indo-European speakers. Groups with only ASI ancestry may no longer exist in mainland India. However, the indigenous Andaman Islanders are unique in being ASI-related groups without ANI ancestry. Allele frequency differences between groups in India are larger than in Europe, reflecting strong founder effects whose signatures have been maintained for thousands of years owing to endogamy. We therefore predict that there will be an excess of recessive diseases in India, which should be possible to screen and map genetically.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842210/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842210/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Reich, David -- Thangaraj, Kumarasamy -- Patterson, Nick -- Price, Alkes L -- Singh, Lalji -- HG004168/HG/NHGRI NIH HHS/ -- R01 HG006399/HG/NHGRI NIH HHS/ -- U01 HG004168/HG/NHGRI NIH HHS/ -- U01 HG004168-03/HG/NHGRI NIH HHS/ -- England -- Nature. 2009 Sep 24;461(7263):489-94. doi: 10.1038/nature08365.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, Massachusetts 02115, USA. reich@genetics.med.harvard.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779445" target="_blank"〉PubMed〈/a〉
    Keywords: Asia/ethnology ; Chromosomes, Human, Y/genetics ; Continental Population Groups/genetics ; DNA, Mitochondrial/genetics ; Ethnic Groups/*genetics ; Europe/ethnology ; Female ; Founder Effect ; Gene Frequency ; Genes, Recessive/genetics ; Genetic Variation/*genetics ; Genetics, Medical ; Genetics, Population ; Genome, Human/genetics ; Genomics ; Genotype ; Geography ; Humans ; India ; Language ; Linkage Disequilibrium/genetics ; Male ; Middle East/ethnology ; *Phylogeny ; Polymorphism, Single Nucleotide/genetics ; Principal Component Analysis
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    A bill against rights (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-04-03
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2009 Apr 2;458(7238):550. doi: 10.1038/458550a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19340028" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Enteral Nutrition/ethics/utilization ; Female ; Humans ; Italy ; Living Wills/ethics/*legislation & jurisprudence ; *Patients ; *Physicians ; Right to Die/ethics/*legislation & jurisprudence ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Human DAZL, DAZ and BOULE genes modulate primordial germ-cell and haploid gamete formation (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-10-30
    Description: The leading cause of infertility in men and women is quantitative and qualitative defects in human germ-cell (oocyte and sperm) development. Yet, it has not been possible to examine the unique developmental genetics of human germ-cell formation and differentiation owing to inaccessibility of germ cells during fetal development. Although several studies have shown that germ cells can be differentiated from mouse and human embryonic stem cells, human germ cells differentiated in these studies generally did not develop beyond the earliest stages. Here we used a germ-cell reporter to quantify and isolate primordial germ cells derived from both male and female human embryonic stem cells. By silencing and overexpressing genes that encode germ-cell-specific cytoplasmic RNA-binding proteins (not transcription factors), we modulated human germ-cell formation and developmental progression. We observed that human DAZL (deleted in azoospermia-like) functions in primordial germ-cell formation, whereas closely related genes DAZ and BOULE (also called BOLL) promote later stages of meiosis and development of haploid gametes. These results are significant to the generation of gametes for future basic science and potential clinical applications.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3133736/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3133736/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kee, Kehkooi -- Angeles, Vanessa T -- Flores, Martha -- Nguyen, Ha Nam -- Reijo Pera, Renee A -- R01 HD047721/HD/NICHD NIH HHS/ -- R01 HD047721-06/HD/NICHD NIH HHS/ -- R01HD047721/HD/NICHD NIH HHS/ -- U54 HD055764/HD/NICHD NIH HHS/ -- U54 HD055764-015755/HD/NICHD NIH HHS/ -- U54HD055764/HD/NICHD NIH HHS/ -- England -- Nature. 2009 Nov 12;462(7270):222-5. doi: 10.1038/nature08562. Epub 2009 Oct 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Human Embryonic Stem Cell Research and Education, Institute for Stem Cell Biology & Regenerative Medicine, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford University, Palo Alto, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19865085" target="_blank"〉PubMed〈/a〉
    Keywords: Bone Morphogenetic Proteins/metabolism ; Cell Count ; *Cell Differentiation ; Cell Line ; Cellular Reprogramming ; Embryonic Stem Cells/cytology/metabolism ; Female ; Gene Expression ; Gene Silencing ; Genes, Reporter ; Germ Cells/*cytology/*metabolism ; *Haploidy ; Humans ; Male ; Meiosis ; Organ Specificity ; RNA-Binding Proteins/genetics/*metabolism
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Ancient ivory figurine deserves a more thoughtful label (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-06-19
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉McDonnell, Anna -- England -- Nature. 2009 Jun 18;459(7249):909. doi: 10.1038/459909b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19536241" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; Fertility ; History, Ancient ; Humans ; Pregnancy ; Sculpture/*history
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    Increased mortality and AIDS-like immunopathology in wild chimpanzees infected with SIVcpz (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-07-25
    Description: African primates are naturally infected with over 40 different simian immunodeficiency viruses (SIVs), two of which have crossed the species barrier and generated human immunodeficiency virus types 1 and 2 (HIV-1 and HIV-2). Unlike the human viruses, however, SIVs do not generally cause acquired immunodeficiency syndrome (AIDS) in their natural hosts. Here we show that SIVcpz, the immediate precursor of HIV-1, is pathogenic in free-ranging chimpanzees. By following 94 members of two habituated chimpanzee communities in Gombe National Park, Tanzania, for over 9 years, we found a 10- to 16-fold higher age-corrected death hazard for SIVcpz-infected (n = 17) compared to uninfected (n = 77) chimpanzees. We also found that SIVcpz-infected females were less likely to give birth and had a higher infant mortality rate than uninfected females. Immunohistochemistry and in situ hybridization of post-mortem spleen and lymph node samples from three infected and two uninfected chimpanzees revealed significant CD4(+) T-cell depletion in all infected individuals, with evidence of high viral replication and extensive follicular dendritic cell virus trapping in one of them. One female, who died within 3 years of acquiring SIVcpz, had histopathological findings consistent with end-stage AIDS. These results indicate that SIVcpz, like HIV-1, is associated with progressive CD4(+) T-cell loss, lymphatic tissue destruction and premature death. These findings challenge the prevailing view that all natural SIV infections are non-pathogenic and suggest that SIVcpz has a substantial negative impact on the health, reproduction and lifespan of chimpanzees in the wild.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2872475/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2872475/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Keele, Brandon F -- Jones, James Holland -- Terio, Karen A -- Estes, Jacob D -- Rudicell, Rebecca S -- Wilson, Michael L -- Li, Yingying -- Learn, Gerald H -- Beasley, T Mark -- Schumacher-Stankey, Joann -- Wroblewski, Emily -- Mosser, Anna -- Raphael, Jane -- Kamenya, Shadrack -- Lonsdorf, Elizabeth V -- Travis, Dominic A -- Mlengeya, Titus -- Kinsel, Michael J -- Else, James G -- Silvestri, Guido -- Goodall, Jane -- Sharp, Paul M -- Shaw, George M -- Pusey, Anne E -- Hahn, Beatrice H -- HHSN266200400088C/PHS HHS/ -- P30 AI 27767/AI/NIAID NIH HHS/ -- P30 AI027767/AI/NIAID NIH HHS/ -- P30 AI027767-21A17134/AI/NIAID NIH HHS/ -- R01 AI058715/AI/NIAID NIH HHS/ -- R01 AI058715-06A1/AI/NIAID NIH HHS/ -- R01 AI50529/AI/NIAID NIH HHS/ -- R01 AI58715/AI/NIAID NIH HHS/ -- R37 AI050529/AI/NIAID NIH HHS/ -- R37 AI050529-06A1/AI/NIAID NIH HHS/ -- RR-00165/RR/NCRR NIH HHS/ -- T32 GM008111/GM/NIGMS NIH HHS/ -- U19 AI067854/AI/NIAID NIH HHS/ -- U19 AI067854-059010/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 Jul 23;460(7254):515-9. doi: 10.1038/nature08200.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Alabama at Birmingham, Birmingham, Alabama 35294, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19626114" target="_blank"〉PubMed〈/a〉
    Keywords: Acquired Immunodeficiency Syndrome/pathology ; Africa ; Animals ; Animals, Wild ; CD4-Positive T-Lymphocytes/immunology ; Female ; Humans ; Male ; Molecular Sequence Data ; Pan troglodytes/*virology ; Prevalence ; Simian Acquired Immunodeficiency ; Syndrome/epidemiology/immunology/*mortality/*pathology ; Simian Immunodeficiency Virus/*physiology
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Changes of mind in decision-making (2009)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2009-08-21
    Description: A decision is a commitment to a proposition or plan of action based on evidence and the expected costs and benefits associated with the outcome. Progress in a variety of fields has led to a quantitative understanding of the mechanisms that evaluate evidence and reach a decision. Several formalisms propose that a representation of noisy evidence is evaluated against a criterion to produce a decision. Without additional evidence, however, these formalisms fail to explain why a decision-maker would change their mind. Here we extend a model, developed to account for both the timing and the accuracy of the initial decision, to explain subsequent changes of mind. Subjects made decisions about a noisy visual stimulus, which they indicated by moving a handle. Although they received no additional information after initiating their movement, their hand trajectories betrayed a change of mind in some trials. We propose that noisy evidence is accumulated over time until it reaches a criterion level, or bound, which determines the initial decision, and that the brain exploits information that is in the processing pipeline when the initial decision is made to subsequently either reverse or reaffirm the initial decision. The model explains both the frequency of changes of mind as well as their dependence on both task difficulty and whether the initial decision was accurate or erroneous. The theoretical and experimental findings advance the understanding of decision-making to the highly flexible and cognitive acts of vacillation and self-correction.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2875179/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2875179/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Resulaj, Arbora -- Kiani, Roozbeh -- Wolpert, Daniel M -- Shadlen, Michael N -- 077730/Wellcome Trust/United Kingdom -- EY11378/EY/NEI NIH HHS/ -- Howard Hughes Medical Institute/ -- Wellcome Trust/United Kingdom -- England -- Nature. 2009 Sep 10;461(7261):263-6. doi: 10.1038/nature08275. Epub 2009 Aug 19.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Computational and Biological Learning Laboratory, Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19693010" target="_blank"〉PubMed〈/a〉
    Keywords: Computers ; Cues ; Decision Making/*physiology ; Female ; Hand/physiology ; Humans ; Male ; Models, Neurological ; Models, Psychological ; Motion ; Movement ; Photic Stimulation ; Psychomotor Performance ; Reaction Time ; Time Factors
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    Mitochondrial gene replacement in primate offspring and embryonic stem cells (2009)
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    Publication Date: 2009-08-28
    Description: Mitochondria are found in all eukaryotic cells and contain their own genome (mitochondrial DNA or mtDNA). Unlike the nuclear genome, which is derived from both the egg and sperm at fertilization, the mtDNA in the embryo is derived almost exclusively from the egg; that is, it is of maternal origin. Mutations in mtDNA contribute to a diverse range of currently incurable human diseases and disorders. To establish preclinical models for new therapeutic approaches, we demonstrate here that the mitochondrial genome can be efficiently replaced in mature non-human primate oocytes (Macaca mulatta) by spindle-chromosomal complex transfer from one egg to an enucleated, mitochondrial-replete egg. The reconstructed oocytes with the mitochondrial replacement were capable of supporting normal fertilization, embryo development and produced healthy offspring. Genetic analysis confirmed that nuclear DNA in the three infants born so far originated from the spindle donors whereas mtDNA came from the cytoplast donors. No contribution of spindle donor mtDNA was detected in offspring. Spindle replacement is shown here as an efficient protocol replacing the full complement of mitochondria in newly generated embryonic stem cell lines. This approach may offer a reproductive option to prevent mtDNA disease transmission in affected families.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2774772/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2774772/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tachibana, Masahito -- Sparman, Michelle -- Sritanaudomchai, Hathaitip -- Ma, Hong -- Clepper, Lisa -- Woodward, Joy -- Li, Ying -- Ramsey, Cathy -- Kolotushkina, Olena -- Mitalipov, Shoukhrat -- P01 HD047675/HD/NICHD NIH HHS/ -- P01 HD047675-01A17045/HD/NICHD NIH HHS/ -- P01 HD047675-04/HD/NICHD NIH HHS/ -- P51 RR000163/RR/NCRR NIH HHS/ -- P51 RR000163-486766/RR/NCRR NIH HHS/ -- P51 RR000163-486775/RR/NCRR NIH HHS/ -- P51 RR000163-486819/RR/NCRR NIH HHS/ -- P51 RR000163-496038/RR/NCRR NIH HHS/ -- P51 RR000163-496045/RR/NCRR NIH HHS/ -- P51 RR000163-496074/RR/NCRR NIH HHS/ -- P51 RR000163-496133/RR/NCRR NIH HHS/ -- P51 RR000163-496134/RR/NCRR NIH HHS/ -- P51 RR000163-496136/RR/NCRR NIH HHS/ -- P51 RR000163-496137/RR/NCRR NIH HHS/ -- R01 HD057121/HD/NICHD NIH HHS/ -- R01 HD057121-01A2/HD/NICHD NIH HHS/ -- R01 NS044330/NS/NINDS NIH HHS/ -- R01 NS044330-05/NS/NINDS NIH HHS/ -- R24 RR013632/RR/NCRR NIH HHS/ -- R24 RR013632-10/RR/NCRR NIH HHS/ -- England -- Nature. 2009 Sep 17;461(7262):367-72. doi: 10.1038/nature08368. Epub 2009 Aug 26.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Oregon National Primate Research Center, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19710649" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Nucleus/genetics ; DNA, Mitochondrial/analysis/*genetics ; Embryo Transfer ; Embryonic Stem Cells/*cytology/*metabolism/transplantation ; Female ; Fertilization in Vitro ; Genes, Mitochondrial/*genetics ; Genome, Mitochondrial/*genetics ; Macaca mulatta/embryology/*genetics ; Male ; Meiosis ; Mitochondrial Diseases/genetics/prevention & control ; Mutation ; Oocytes/cytology/metabolism ; Pregnancy ; *Reproductive Techniques, Assisted
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    John Maddox and the Medical Research Council (2009)
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    Publication Date: 2009-05-30
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gowans, James -- England -- Nature. 2009 May 28;459(7246):506. doi: 10.1038/459506c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19478763" target="_blank"〉PubMed〈/a〉
    Keywords: Clinical Trials as Topic/history ; Correspondence as Topic/history ; Female ; Great Britain ; History, 20th Century ; Humans ; Periodicals as Topic/*history
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    Neurotransmission selectively regulates synapse formation in parallel circuits in vivo (2009)
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    Publication Date: 2009-08-21
    Description: Activity is thought to guide the patterning of synaptic connections in the developing nervous system. Specifically, differences in the activity of converging inputs are thought to cause the elimination of synapses from less active inputs and increase connectivity with more active inputs. Here we present findings that challenge the generality of this notion and offer a new view of the role of activity in synapse development. To imbalance neurotransmission from different sets of inputs in vivo, we generated transgenic mice in which ON but not OFF types of bipolar cells in the retina express tetanus toxin (TeNT). During development, retinal ganglion cells (RGCs) select between ON and OFF bipolar cell inputs (ON or OFF RGCs) or establish a similar number of synapses with both on separate dendritic arborizations (ON-OFF RGCs). In TeNT retinas, ON RGCs correctly selected the silenced ON bipolar cell inputs over the transmitting OFF bipolar cells, but were connected with them through fewer synapses at maturity. Time-lapse imaging revealed that this was caused by a reduced rate of synapse formation rather than an increase in synapse elimination. Similarly, TeNT-expressing ON bipolar cell axons generated fewer presynaptic active zones. The remaining active zones often recruited multiple, instead of single, synaptic ribbons. ON-OFF RGCs in TeNT mice maintained convergence of ON and OFF bipolar cells inputs and had fewer synapses on their ON arbor without changes to OFF arbor synapses. Our results reveal an unexpected and remarkably selective role for activity in circuit development in vivo, regulating synapse formation but not elimination, affecting synapse number but not dendritic or axonal patterning, and mediating independently the refinement of connections from parallel (ON and OFF) processing streams even where they converge onto the same postsynaptic cell.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2746695/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2746695/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kerschensteiner, Daniel -- Morgan, Josh L -- Parker, Edward D -- Lewis, Renate M -- Wong, Rachel O L -- EY01730/EY/NEI NIH HHS/ -- EY10699/EY/NEI NIH HHS/ -- R01 EY010699/EY/NEI NIH HHS/ -- R01 EY010699-16/EY/NEI NIH HHS/ -- T32 EY07031/EY/NEI NIH HHS/ -- England -- Nature. 2009 Aug 20;460(7258):1016-20. doi: 10.1038/nature08236.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Anatomy and Neurobiology, Washington University School of Medicine, St Louis, Missouri 63110, USA. KerschensteinerD@vision.wustl.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19693082" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Axons/metabolism ; Dendrites/metabolism ; Female ; Glutamic Acid/metabolism ; Male ; Mice ; Mice, Transgenic ; Receptors, Kainic Acid/genetics/metabolism ; Retinal Bipolar Cells/cytology/metabolism ; Retinal Ganglion Cells/cytology/metabolism ; Synapses/*metabolism ; Synaptic Transmission/*physiology ; Tetanus Toxin/genetics/metabolism
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    Amino-acid imbalance explains extension of lifespan by dietary restriction in Drosophila (2009)
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    Publication Date: 2009-12-04
    Description: Dietary restriction extends healthy lifespan in diverse organisms and reduces fecundity. It is widely assumed to induce adaptive reallocation of nutrients from reproduction to somatic maintenance, aiding survival of food shortages in nature. If this were the case, long life under dietary restriction and high fecundity under full feeding would be mutually exclusive, through competition for the same limiting nutrients. Here we report a test of this idea in which we identified the nutrients producing the responses of lifespan and fecundity to dietary restriction in Drosophila. Adding essential amino acids to the dietary restriction condition increased fecundity and decreased lifespan, similar to the effects of full feeding, with other nutrients having little or no effect. However, methionine alone was necessary and sufficient to increase fecundity as much as did full feeding, but without reducing lifespan. Reallocation of nutrients therefore does not explain the responses to dietary restriction. Lifespan was decreased by the addition of amino acids, with an interaction between methionine and other essential amino acids having a key role. Hence, an imbalance in dietary amino acids away from the ratio optimal for reproduction shortens lifespan during full feeding and limits fecundity during dietary restriction. Reduced activity of the insulin/insulin-like growth factor signalling pathway extends lifespan in diverse organisms, and we find that it also protects against the shortening of lifespan with full feeding. In other organisms, including mammals, it may be possible to obtain the benefits to lifespan of dietary restriction without incurring a reduction in fecundity, through a suitable balance of nutrients in the diet.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2798000/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2798000/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grandison, Richard C -- Piper, Matthew D W -- Partridge, Linda -- 081394/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2009 Dec 24;462(7276):1061-4. doi: 10.1038/nature08619. Epub 2009 Dec 2.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Healthy Ageing, Department of Genetics Evolution and Environment, University College London, UK.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19956092" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acids/*metabolism ; Animals ; *Diet ; Drosophila melanogaster/metabolism/*physiology ; Female ; Insulin/metabolism ; Longevity/*physiology ; Methionine/metabolism ; Oviposition/physiology ; Random Allocation ; Signal Transduction
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    Archaeology: Origins of the female image (2009)
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    Publication Date: 2009-05-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Mellars, Paul -- England -- Nature. 2009 May 14;459(7244):176-7. doi: 10.1038/459176a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19444200" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Archaeology ; Female ; Germany ; History, Ancient ; Horns/chemistry ; Humans ; Sculpture/*history ; Sex Characteristics ; Symbolism
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    Journal club. A geneticist views two theories of X-chromosome inactivation in a broad context (2009)
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    Publication Date: 2009-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Khalil, Ahmad M -- England -- Nature. 2009 Mar 19;458(7236):263. doi: 10.1038/458263f.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard Medical School, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19295563" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Female ; *Models, Genetic ; RNA Interference ; RNA, Long Noncoding ; RNA, Untranslated/*genetics ; Ribonuclease III/deficiency ; X Chromosome Inactivation/*genetics
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    Sex determination: Birds do it with a Z gene (2009)
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    Publication Date: 2009-09-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Graves, Jennifer A Marshall -- England -- Nature. 2009 Sep 10;461(7261):177-8. doi: 10.1038/461177a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19741690" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Chick Embryo ; Chickens/*genetics/*physiology ; Disorders of Sex Development ; Evolution, Molecular ; Female ; Gene Dosage/genetics ; Humans ; Male ; Models, Genetic ; Ovary/embryology/metabolism ; RNA Interference ; SOX9 Transcription Factor/genetics/metabolism ; Sex Chromosomes/*genetics ; *Sex Determination Processes ; Testis/embryology/metabolism ; Transcription Factors/deficiency/*genetics/*metabolism
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    Being human: love: neuroscience reveals all (2009)
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    Publication Date: 2009-01-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Larry J -- England -- Nature. 2009 Jan 8;457(7226):148. doi: 10.1038/457148a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Yerkes National Primate Research Center, Emory University, Atlanta, Georgia 30322, USA. lyoun03@emory.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19129828" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Arvicolinae/genetics/physiology ; Dopamine/metabolism ; Female ; Humans ; *Love ; Male ; Maternal Behavior/physiology ; Oxytocin/*metabolism ; Pair Bond ; Paternal Behavior ; Receptors, Vasopressin/genetics/metabolism ; Sexual Behavior/drug effects/physiology ; Vasopressins/*metabolism
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    Behaviour: Flies on film (2009)
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    Publication Date: 2009-12-04
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Buchen, Lizzie -- England -- Nature. 2009 Dec 3;462(7273):562-4. doi: 10.1038/462562a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19956235" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Behavior/physiology ; *Behavior, Animal ; Behavioral Research/*instrumentation/methods ; Drosophila melanogaster/*physiology ; Female ; Humans ; Male ; Software ; Video Recording/instrumentation/methods
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    Game theory: How to treat those of ill repute (2009)
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    Publication Date: 2009-01-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rockenbach, Bettina -- Milinski, Manfred -- England -- Nature. 2009 Jan 1;457(7225):39-40. doi: 10.1038/457039a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19122632" target="_blank"〉PubMed〈/a〉
    Keywords: Altruism ; Biological Evolution ; *Cooperative Behavior ; Cost-Benefit Analysis ; Female ; *Game Theory ; Humans ; Male ; Models, Psychological ; *Punishment/psychology
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    Research into group differences isn't wrong, just pointless (2009)
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    Publication Date: 2009-11-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rose, Steven -- England -- Nature. 2009 Nov 5;462(7269):35. doi: 10.1038/462035c.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19890309" target="_blank"〉PubMed〈/a〉
    Keywords: Continental Population Groups/*genetics ; *Ethics, Research ; Female ; Humans ; Intelligence/*genetics ; Male ; Reproducibility of Results ; *Sex Characteristics
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    Genetic variation in IL28B and spontaneous clearance of hepatitis C virus (2009)
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    Publication Date: 2009-09-18
    Description: Hepatitis C virus (HCV) infection is the most common blood-borne infection in the United States, with estimates of 4 million HCV-infected individuals in the United States and 170 million worldwide. Most (70-80%) HCV infections persist and about 30% of individuals with persistent infection develop chronic liver disease, including cirrhosis and hepatocellular carcinoma. Epidemiological, viral and host factors have been associated with the differences in HCV clearance or persistence, and studies have demonstrated that a strong host immune response against HCV favours viral clearance. Thus, variation in genes involved in the immune response may contribute to the ability to clear the virus. In a recent genome-wide association study, a single nucleotide polymorphism (rs12979860) 3 kilobases upstream of the IL28B gene, which encodes the type III interferon IFN-3, was shown to associate strongly with more than a twofold difference in response to HCV drug treatment. To determine the potential effect of rs12979860 variation on outcome to HCV infection in a natural history setting, we genotyped this variant in HCV cohorts comprised of individuals who spontaneously cleared the virus (n = 388) or had persistent infection (n = 620). We show that the C/C genotype strongly enhances resolution of HCV infection among individuals of both European and African ancestry. To our knowledge, this is the strongest and most significant genetic effect associated with natural clearance of HCV, and these results implicate a primary role for IL28B in resolution of HCV infection.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3172006/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3172006/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Thomas, David L -- Thio, Chloe L -- Martin, Maureen P -- Qi, Ying -- Ge, Dongliang -- O'Huigin, Colm -- Kidd, Judith -- Kidd, Kenneth -- Khakoo, Salim I -- Alexander, Graeme -- Goedert, James J -- Kirk, Gregory D -- Donfield, Sharyne M -- Rosen, Hugo R -- Tobler, Leslie H -- Busch, Michael P -- McHutchison, John G -- Goldstein, David B -- Carrington, Mary -- HHSN261200800001E/CO/NCI NIH HHS/ -- HHSN261200800001E/PHS HHS/ -- R01 DA004334/DA/NIDA NIH HHS/ -- R01DA004334/DA/NIDA NIH HHS/ -- R01DA013324/DA/NIDA NIH HHS/ -- R01DK60590/DK/NIDDK NIH HHS/ -- R01HD41224/HD/NICHD NIH HHS/ -- R01HL076902/HL/NHLBI NIH HHS/ -- R56 DA004334/DA/NIDA NIH HHS/ -- Intramural NIH HHS/ -- England -- Nature. 2009 Oct 8;461(7265):798-801. doi: 10.1038/nature08463.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Johns Hopkins University, Division of Infectious Diseases, Baltimore, Maryland 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19759533" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Africa/ethnology ; Europe/ethnology ; Female ; Gene Frequency ; Genetic Variation/*genetics ; Genome-Wide Association Study ; Genotype ; Hepacivirus/drug effects/*immunology/physiology ; Hepatitis C/drug therapy/*genetics/*immunology/virology ; Humans ; Interleukins/*genetics/*immunology ; Male ; Polymorphism, Single Nucleotide/genetics
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    A role for a neo-sex chromosome in stickleback speciation (2009)
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    Publication Date: 2009-09-29
    Description: Sexual antagonism, or conflict between the sexes, has been proposed as a driving force in both sex-chromosome turnover and speciation. Although closely related species often have different sex-chromosome systems, it is unknown whether sex-chromosome turnover contributes to the evolution of reproductive isolation between species. Here we show that a newly evolved sex chromosome contains genes that contribute to speciation in threespine stickleback fish (Gasterosteus aculeatus). We first identified a neo-sex chromosome system found only in one member of a sympatric species pair in Japan. We then performed genetic linkage mapping of male-specific traits important for reproductive isolation between the Japanese species pair. The neo-X chromosome contains loci for male courtship display traits that contribute to behavioural isolation, whereas the ancestral X chromosome contains loci for both behavioural isolation and hybrid male sterility. Our work not only provides strong evidence for a large X-effect on reproductive isolation in a vertebrate system, but also provides direct evidence that a young neo-X chromosome contributes to reproductive isolation between closely related species. Our data indicate that sex-chromosome turnover might have a greater role in speciation than was previously appreciated.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2776091/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2776091/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kitano, Jun -- Ross, Joseph A -- Mori, Seiichi -- Kume, Manabu -- Jones, Felicity C -- Chan, Yingguang F -- Absher, Devin M -- Grimwood, Jane -- Schmutz, Jeremy -- Myers, Richard M -- Kingsley, David M -- Peichel, Catherine L -- P50 HG002568/HG/NHGRI NIH HHS/ -- P50 HG002568-08/HG/NHGRI NIH HHS/ -- P50 HG02568/HG/NHGRI NIH HHS/ -- R01 GM071854/GM/NIGMS NIH HHS/ -- R01 GM071854-05/GM/NIGMS NIH HHS/ -- T32 GM07270/GM/NIGMS NIH HHS/ -- England -- Nature. 2009 Oct 22;461(7267):1079-83. doi: 10.1038/nature08441. Epub 2009 Sep 27.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Human Biology, Fred Hutchinson Cancer Research Center, 1100 Fairview Avenue North, Seattle, Washington 98109, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19783981" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Body Size ; Crosses, Genetic ; Female ; *Genetic Speciation ; Hybridization, Genetic ; Infertility, Male/genetics ; Japan ; Male ; Mating Preference, Animal ; Oceans and Seas ; Pacific Ocean ; Polymorphism, Single Nucleotide ; Quantitative Trait Loci ; Reproduction/genetics/physiology ; Sex Characteristics ; Sex Chromosomes/*genetics ; Smegmamorpha/anatomy & histology/classification/*genetics/*physiology ; Social Isolation ; Y Chromosome/genetics
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    HDAC2 negatively regulates memory formation and synaptic plasticity (2009)
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    Publication Date: 2009-05-09
    Description: Chromatin modifications, especially histone-tail acetylation, have been implicated in memory formation. Increased histone-tail acetylation induced by inhibitors of histone deacetylases (HDACis) facilitates learning and memory in wild-type mice as well as in mouse models of neurodegeneration. Harnessing the therapeutic potential of HDACis requires knowledge of the specific HDAC family member(s) linked to cognitive enhancement. Here we show that neuron-specific overexpression of HDAC2, but not that of HDAC1, decreased dendritic spine density, synapse number, synaptic plasticity and memory formation. Conversely, Hdac2 deficiency resulted in increased synapse number and memory facilitation, similar to chronic treatment with HDACis in mice. Notably, reduced synapse number and learning impairment of HDAC2-overexpressing mice were ameliorated by chronic treatment with HDACis. Correspondingly, treatment with HDACis failed to further facilitate memory formation in Hdac2-deficient mice. Furthermore, analysis of promoter occupancy revealed an association of HDAC2 with the promoters of genes implicated in synaptic plasticity and memory formation. Taken together, our results suggest that HDAC2 functions in modulating synaptic plasticity and long-lasting changes of neural circuits, which in turn negatively regulates learning and memory. These observations encourage the development and testing of HDAC2-selective inhibitors for human diseases associated with memory impairment.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3498958/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3498958/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Guan, Ji-Song -- Haggarty, Stephen J -- Giacometti, Emanuela -- Dannenberg, Jan-Hermen -- Joseph, Nadine -- Gao, Jun -- Nieland, Thomas J F -- Zhou, Ying -- Wang, Xinyu -- Mazitschek, Ralph -- Bradner, James E -- DePinho, Ronald A -- Jaenisch, Rudolf -- Tsai, Li-Huei -- R01 DA028301/DA/NIDA NIH HHS/ -- R01 DA028301-02/DA/NIDA NIH HHS/ -- R01 NS051874/NS/NINDS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 May 7;459(7243):55-60. doi: 10.1038/nature07925.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Picower Institute for Learning and Memory, Department of Brain and Cognitive Sciences.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19424149" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Butyrates/pharmacology ; Dendritic Spines/physiology ; Electrical Synapses/*physiology ; Female ; Gene Expression Regulation ; Hippocampus/metabolism ; Histone Deacetylase 1 ; Histone Deacetylase 2 ; Histone Deacetylase Inhibitors ; Histone Deacetylases/deficiency/genetics/*metabolism ; Hydroxamic Acids/pharmacology ; Learning/drug effects ; Male ; Memory/drug effects/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Knockout ; Neurons/metabolism ; Promoter Regions, Genetic/genetics ; Repressor Proteins/antagonists & inhibitors/genetics/*metabolism ; Sodium/pharmacology
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    iPS cells produce viable mice through tetraploid complementation (2009)
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    Publication Date: 2009-08-13
    Description: Since the initial description of induced pluripotent stem (iPS) cells created by forced expression of four transcription factors in mouse fibroblasts, the technique has been used to generate embryonic stem (ES)-cell-like pluripotent cells from a variety of cell types in other species, including primates and rat. It has become a popular means to reprogram somatic genomes into an embryonic-like pluripotent state, and a preferred alternative to somatic-cell nuclear transfer and somatic-cell fusion with ES cells. However, iPS cell reprogramming remains slow and inefficient. Notably, no live animals have been produced by the most stringent tetraploid complementation assay, indicative of a failure to create fully pluripotent cells. Here we report the generation of several iPS cell lines that are capable of generating viable, fertile live-born progeny by tetraploid complementation. These iPS cells maintain a pluripotent potential that is very close to ES cells generated from in vivo or nuclear transfer embryos. We demonstrate the practicality of using iPS cells as useful tools for the characterization of cellular reprogramming and developmental potency, and confirm that iPS cells can attain true pluripotency that is similar to that of ES cells.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Zhao, Xiao-yang -- Li, Wei -- Lv, Zhuo -- Liu, Lei -- Tong, Man -- Hai, Tang -- Hao, Jie -- Guo, Chang-long -- Ma, Qing-wen -- Wang, Liu -- Zeng, Fanyi -- Zhou, Qi -- England -- Nature. 2009 Sep 3;461(7260):86-90. doi: 10.1038/nature08267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉State Key Laboratory of Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19672241" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Blastocyst/cytology/physiology ; Cell Dedifferentiation/physiology ; Cell Line ; Cell Lineage ; Cellular Reprogramming ; Embryo, Mammalian/cytology/embryology/metabolism ; Embryonic Stem Cells/cytology/physiology ; Female ; Fibroblasts/cytology ; Gene Expression Profiling ; Genetic Complementation Test ; Male ; Mice ; Mice, SCID ; Pluripotent Stem Cells/cytology/*physiology ; *Polyploidy ; Pregnancy ; *Reproductive Techniques ; Survival Rate ; Teratoma
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Reproductive skew and selection on female ornamentation in social species (2009)
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    Publication Date: 2009-12-17
    Description: Male animals are typically more elaborately ornamented than females. Classic sexual selection theory notes that because sperm are cheaper to produce than eggs, and because males generally compete more intensely for reproductive opportunities and invest less in parental care than females, males can obtain greater fitness benefits from mating multiply. Therefore, sexual selection typically results in male-biased sex differences in secondary sexual characters. This generality has recently been questioned, because in cooperatively breeding vertebrates, the strength of selection on traits used in intrasexual competition for access to mates (sexual selection) or other resources linked to reproduction (social selection) is similar in males and females. Because selection is acting with comparable intensity in both sexes in cooperatively breeding species, the degree of sexual dimorphism in traits used in intrasexual competition should be reduced in cooperative breeders. Here we use the socially diverse African starlings (Sturnidae) to demonstrate that the degree of sexual dimorphism in plumage and body size is reduced in cooperatively breeding species as a result of increased selection on females for traits that increase access to reproductive opportunities, other resources, or higher social status. In cooperative breeders such as these, where there is unequal sharing of reproduction (reproductive skew) among females, and where female dominance rank influences access to mates and other resources, intrasexual competition among females may be intense and ultimately select for female trait elaboration. Selection is thereby acting with different intensities on males and females in cooperatively versus non-cooperatively breeding species, and female-female interactions in group-living vertebrates will have important consequences for the evolution of female morphological, physiological and behavioural traits.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Rubenstein, Dustin R -- Lovette, Irby J -- England -- Nature. 2009 Dec 10;462(7274):786-9. doi: 10.1038/nature08614.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Columbia University, Department of Ecology, Evolution and Environmental Biology, 10th Floor Schermerhorn Extension, 1200 Amsterdam Avenue, New York, New York 10027, USA. dr2497@columbia.edu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20010686" target="_blank"〉PubMed〈/a〉
    Keywords: Africa ; Animals ; Bayes Theorem ; Body Size/physiology ; Competitive Behavior ; Cooperative Behavior ; Feathers/anatomy & histology/physiology ; Female ; Male ; Markov Chains ; Mating Preference, Animal/*physiology ; Monte Carlo Method ; Phylogeny ; Reproduction/*physiology ; Selection, Genetic ; *Sex Characteristics ; *Social Behavior ; Social Dominance ; Starlings/*anatomy & histology/*physiology ; Wings, Animal/anatomy & histology
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    A lifesaving arrangement (2009)
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    Publication Date: 2009-01-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉England -- Nature. 2009 Jan 15;457(7227):236. doi: 10.1038/457236a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19148049" target="_blank"〉PubMed〈/a〉
    Keywords: *Acquired Immunodeficiency Syndrome/drug ; therapy/economics/epidemiology/prevention & control ; *Federal Government ; Female ; Humans ; International Cooperation ; *Leadership ; Male ; Sexual Abstinence ; United States/epidemiology
    Print ISSN: 0028-0836
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    Parental origin of sequence variants associated with complex diseases (2009)
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    Publication Date: 2009-12-18
    Description: Effects of susceptibility variants may depend on from which parent they are inherited. Although many associations between sequence variants and human traits have been discovered through genome-wide associations, the impact of parental origin has largely been ignored. Here we show that for 38,167 Icelanders genotyped using single nucleotide polymorphism (SNP) chips, the parental origin of most alleles can be determined. For this we used a combination of genealogy and long-range phasing. We then focused on SNPs that associate with diseases and are within 500 kilobases of known imprinted genes. Seven independent SNP associations were examined. Five-one with breast cancer, one with basal-cell carcinoma and three with type 2 diabetes-have parental-origin-specific associations. These variants are located in two genomic regions, 11p15 and 7q32, each harbouring a cluster of imprinted genes. Furthermore, we observed a novel association between the SNP rs2334499 at 11p15 and type 2 diabetes. Here the allele that confers risk when paternally inherited is protective when maternally transmitted. We identified a differentially methylated CTCF-binding site at 11p15 and demonstrated correlation of rs2334499 with decreased methylation of that site.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3746295/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3746295/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kong, Augustine -- Steinthorsdottir, Valgerdur -- Masson, Gisli -- Thorleifsson, Gudmar -- Sulem, Patrick -- Besenbacher, Soren -- Jonasdottir, Aslaug -- Sigurdsson, Asgeir -- Kristinsson, Kari Th -- Jonasdottir, Adalbjorg -- Frigge, Michael L -- Gylfason, Arnaldur -- Olason, Pall I -- Gudjonsson, Sigurjon A -- Sverrisson, Sverrir -- Stacey, Simon N -- Sigurgeirsson, Bardur -- Benediktsdottir, Kristrun R -- Sigurdsson, Helgi -- Jonsson, Thorvaldur -- Benediktsson, Rafn -- Olafsson, Jon H -- Johannsson, Oskar Th -- Hreidarsson, Astradur B -- Sigurdsson, Gunnar -- DIAGRAM Consortium -- Ferguson-Smith, Anne C -- Gudbjartsson, Daniel F -- Thorsteinsdottir, Unnur -- Stefansson, Kari -- 077016/Wellcome Trust/United Kingdom -- 090532/Wellcome Trust/United Kingdom -- G9723500/Medical Research Council/United Kingdom -- K08 AR055688/AR/NIAMS NIH HHS/ -- MC_U106179471/Medical Research Council/United Kingdom -- MC_U106179474/Medical Research Council/United Kingdom -- MC_U127592696/Medical Research Council/United Kingdom -- R01 DK029867/DK/NIDDK NIH HHS/ -- England -- Nature. 2009 Dec 17;462(7275):868-74. doi: 10.1038/nature08625.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉deCODE genetics, Sturlugata 8, 101 Reykjavik, Iceland. kong@decode.is〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20016592" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Binding Sites ; Breast Neoplasms/genetics ; Carcinoma, Basal Cell/genetics ; Chromosomes, Human, Pair 11/genetics ; Chromosomes, Human, Pair 7/genetics ; DNA Methylation/genetics ; Diabetes Mellitus, Type 2/genetics ; *Fathers ; Female ; Genetic Predisposition to Disease/*genetics ; Genome, Human/genetics ; Genomic Imprinting/genetics ; Haplotypes ; Humans ; Iceland ; Male ; *Mothers ; Pedigree ; Polymorphism, Single Nucleotide/*genetics ; Repressor Proteins/metabolism
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    Association of reactive oxygen species levels and radioresistance in cancer stem cells (2009)
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    Publication Date: 2009-02-06
    Description: The metabolism of oxygen, although central to life, produces reactive oxygen species (ROS) that have been implicated in processes as diverse as cancer, cardiovascular disease and ageing. It has recently been shown that central nervous system stem cells and haematopoietic stem cells and early progenitors contain lower levels of ROS than their more mature progeny, and that these differences are critical for maintaining stem cell function. We proposed that epithelial tissue stem cells and their cancer stem cell (CSC) counterparts may also share this property. Here we show that normal mammary epithelial stem cells contain lower concentrations of ROS than their more mature progeny cells. Notably, subsets of CSCs in some human and murine breast tumours contain lower ROS levels than corresponding non-tumorigenic cells (NTCs). Consistent with ROS being critical mediators of ionizing-radiation-induced cell killing, CSCs in these tumours develop less DNA damage and are preferentially spared after irradiation compared to NTCs. Lower ROS levels in CSCs are associated with increased expression of free radical scavenging systems. Pharmacological depletion of ROS scavengers in CSCs markedly decreases their clonogenicity and results in radiosensitization. These results indicate that, similar to normal tissue stem cells, subsets of CSCs in some tumours contain lower ROS levels and enhanced ROS defences compared to their non-tumorigenic progeny, which may contribute to tumour radioresistance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778612/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2778612/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Diehn, Maximilian -- Cho, Robert W -- Lobo, Neethan A -- Kalisky, Tomer -- Dorie, Mary Jo -- Kulp, Angela N -- Qian, Dalong -- Lam, Jessica S -- Ailles, Laurie E -- Wong, Manzhi -- Joshua, Benzion -- Kaplan, Michael J -- Wapnir, Irene -- Dirbas, Frederick M -- Somlo, George -- Garberoglio, Carlos -- Paz, Benjamin -- Shen, Jeannie -- Lau, Sean K -- Quake, Stephen R -- Brown, J Martin -- Weissman, Irving L -- Clarke, Michael F -- R01 CA100225/CA/NCI NIH HHS/ -- R01 CA100225-05/CA/NCI NIH HHS/ -- U54 CA126524/CA/NCI NIH HHS/ -- U54 CA126524-04/CA/NCI NIH HHS/ -- England -- Nature. 2009 Apr 9;458(7239):780-3. doi: 10.1038/nature07733.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Radiation Oncology, Stanford University School of Medicine, Stanford, California 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19194462" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Breast Neoplasms/physiopathology ; Cells, Cultured ; DNA Damage/genetics/radiation effects ; Female ; Gene Expression ; Humans ; Mammary Glands, Human/cytology/metabolism ; Mice ; Mice, Inbred C57BL ; Neoplastic Stem Cells/*metabolism/*radiation effects ; Radiation Tolerance/*physiology ; Reactive Oxygen Species/*metabolism
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    A regulatory circuit for piwi by the large Maf gene traffic jam in Drosophila (2009)
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    Publication Date: 2009-10-09
    Description: PIWI-interacting RNAs (piRNAs) silence retrotransposons in Drosophila germ lines by associating with the PIWI proteins Argonaute 3 (AGO3), Aubergine (Aub) and Piwi. piRNAs in Drosophila are produced from intergenic repetitive genes and piRNA clusters by two systems: the primary processing pathway and the amplification loop. The amplification loop occurs in a Dicer-independent, PIWI-Slicer-dependent manner. However, primary piRNA processing remains elusive. Here we analysed piRNA processing in a Drosophila ovarian somatic cell line where Piwi, but not Aub or AGO3, is expressed; thus, only the primary piRNAs exist. In addition to flamenco, a Piwi-specific piRNA cluster, traffic jam (tj), a large Maf gene, was determined as a new piRNA cluster. piRNAs arising from tj correspond to the untranslated regions of tj messenger RNA and are sense-oriented. piRNA loading on to Piwi may occur in the cytoplasm. zucchini, a gene encoding a putative cytoplasmic nuclease, is required for tj-derived piRNA production. In tj and piwi mutant ovaries, somatic cells fail to intermingle with germ cells and Fasciclin III is overexpressed. Loss of tj abolishes Piwi expression in gonadal somatic cells. Thus, in gonadal somatic cells, tj gives rise simultaneously to two different molecules: the TJ protein, which activates Piwi expression, and piRNAs, which define the Piwi targets for silencing.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Saito, Kuniaki -- Inagaki, Sachi -- Mituyama, Toutai -- Kawamura, Yoshinori -- Ono, Yukiteru -- Sakota, Eri -- Kotani, Hazuki -- Asai, Kiyoshi -- Siomi, Haruhiko -- Siomi, Mikiko C -- England -- Nature. 2009 Oct 29;461(7268):1296-9. doi: 10.1038/nature08501. Epub 2009 Oct 7.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Keio University School of Medicine, Tokyo 160-8582, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19812547" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Argonaute Proteins ; Cell Adhesion Molecules, Neuronal/metabolism ; Cell Line ; Drosophila Proteins/genetics/*metabolism ; Drosophila melanogaster/genetics/*metabolism ; Endoribonucleases/metabolism ; Female ; Genes, Insect/genetics ; Genetic Loci/genetics ; Maf Transcription Factors, Large/genetics/*metabolism ; Male ; Ovary/cytology/metabolism ; Phenotype ; Proto-Oncogene Proteins/genetics/*metabolism ; RNA/biosynthesis/genetics/*metabolism ; RNA Interference ; RNA Processing, Post-Transcriptional ; RNA-Induced Silencing Complex/genetics/*metabolism ; Testis/cytology/metabolism
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    Human genomics: The genome finishers (2009)
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    Publication Date: 2009-12-18
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Dolgin, Elie -- England -- Nature. 2009 Dec 17;462(7275):843-5. doi: 10.1038/462843a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20016572" target="_blank"〉PubMed〈/a〉
    Keywords: Female ; Genome, Human/*genetics ; History, 20th Century ; History, 21st Century ; *Human Genome Project/history ; Humans ; Male ; Reproducibility of Results ; Research Design ; *Research Personnel ; Research Subjects
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    Gain-of-function of mutated C-CBL tumour suppressor in myeloid neoplasms (2009)
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    Publication Date: 2009-07-22
    Description: Acquired uniparental disomy (aUPD) is a common feature of cancer genomes, leading to loss of heterozygosity. aUPD is associated not only with loss-of-function mutations of tumour suppressor genes, but also with gain-of-function mutations of proto-oncogenes. Here we show unique gain-of-function mutations of the C-CBL (also known as CBL) tumour suppressor that are tightly associated with aUPD of the 11q arm in myeloid neoplasms showing myeloproliferative features. The C-CBL proto-oncogene, a cellular homologue of v-Cbl, encodes an E3 ubiquitin ligase and negatively regulates signal transduction of tyrosine kinases. Homozygous C-CBL mutations were found in most 11q-aUPD-positive myeloid malignancies. Although the C-CBL mutations were oncogenic in NIH3T3 cells, c-Cbl was shown to functionally and genetically act as a tumour suppressor. C-CBL mutants did not have E3 ubiquitin ligase activity, but inhibited that of wild-type C-CBL and CBL-B (also known as CBLB), leading to prolonged activation of tyrosine kinases after cytokine stimulation. c-Cbl(-/-) haematopoietic stem/progenitor cells (HSPCs) showed enhanced sensitivity to a variety of cytokines compared to c-Cbl(+/+) HSPCs, and transduction of C-CBL mutants into c-Cbl(-/-) HSPCs further augmented their sensitivities to a broader spectrum of cytokines, including stem-cell factor (SCF, also known as KITLG), thrombopoietin (TPO, also known as THPO), IL3 and FLT3 ligand (FLT3LG), indicating the presence of a gain-of-function that could not be attributed to a simple loss-of-function. The gain-of-function effects of C-CBL mutants on cytokine sensitivity of HSPCs largely disappeared in a c-Cbl(+/+) background or by co-transduction of wild-type C-CBL, which suggests the pathogenic importance of loss of wild-type C-CBL alleles found in most cases of C-CBL-mutated myeloid neoplasms. Our findings provide a new insight into a role of gain-of-function mutations of a tumour suppressor associated with aUPD in the pathogenesis of some myeloid cancer subsets.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanada, Masashi -- Suzuki, Takahiro -- Shih, Lee-Yung -- Otsu, Makoto -- Kato, Motohiro -- Yamazaki, Satoshi -- Tamura, Azusa -- Honda, Hiroaki -- Sakata-Yanagimoto, Mamiko -- Kumano, Keiki -- Oda, Hideaki -- Yamagata, Tetsuya -- Takita, Junko -- Gotoh, Noriko -- Nakazaki, Kumi -- Kawamata, Norihiko -- Onodera, Masafumi -- Nobuyoshi, Masaharu -- Hayashi, Yasuhide -- Harada, Hiroshi -- Kurokawa, Mineo -- Chiba, Shigeru -- Mori, Hiraku -- Ozawa, Keiya -- Omine, Mitsuhiro -- Hirai, Hisamaru -- Nakauchi, Hiromitsu -- Koeffler, H Phillip -- Ogawa, Seishi -- 2R01CA026038-30/CA/NCI NIH HHS/ -- England -- Nature. 2009 Aug 13;460(7257):904-8. doi: 10.1038/nature08240. Epub 2009 Jul 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Cancer Genomics Project, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19620960" target="_blank"〉PubMed〈/a〉
    Keywords: Allelic Imbalance ; Amino Acid Sequence ; Animals ; Base Sequence ; Chromosomes, Human, Pair 11/genetics ; Female ; *Genes, Tumor Suppressor ; Humans ; Leukemia, Myeloid/*genetics/metabolism/pathology ; Male ; Mice ; Mice, Knockout ; Mice, Nude ; Models, Molecular ; Molecular Sequence Data ; Mutant Proteins/chemistry/genetics/*metabolism ; Mutation ; NIH 3T3 Cells ; Neoplasm Transplantation ; Oncogenes/genetics ; Phosphorylation ; Protein Conformation ; Proto-Oncogene Proteins c-cbl/antagonists & ; inhibitors/chemistry/deficiency/*genetics/*metabolism ; Ubiquitination ; Uniparental Disomy/genetics ; ras Proteins/genetics/metabolism
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    Central control of fever and female body temperature by RANKL/RANK (2009)
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    Publication Date: 2009-11-27
    Description: Receptor-activator of NF-kappaB ligand (TNFSF11, also known as RANKL, OPGL, TRANCE and ODF) and its tumour necrosis factor (TNF)-family receptor RANK are essential regulators of bone remodelling, lymph node organogenesis and formation of a lactating mammary gland. RANKL and RANK are also expressed in the central nervous system. However, the functional relevance of RANKL/RANK in the brain was entirely unknown. Here we report that RANKL and RANK have an essential role in the brain. In both mice and rats, central RANKL injections trigger severe fever. Using tissue-specific Nestin-Cre and GFAP-Cre rank(floxed) deleter mice, the function of RANK in the fever response was genetically mapped to astrocytes. Importantly, Nestin-Cre and GFAP-Cre rank(floxed) deleter mice are resistant to lipopolysaccharide-induced fever as well as fever in response to the key inflammatory cytokines IL-1beta and TNFalpha. Mechanistically, RANKL activates brain regions involved in thermoregulation and induces fever via the COX2-PGE(2)/EP3R pathway. Moreover, female Nestin-Cre and GFAP-Cre rank(floxed) mice exhibit increased basal body temperatures, suggesting that RANKL and RANK control thermoregulation during normal female physiology. We also show that two children with RANK mutations exhibit impaired fever during pneumonia. These data identify an entirely novel and unexpected function for the key osteoclast differentiation factors RANKL/RANK in female thermoregulation and the central fever response in inflammation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hanada, Reiko -- Leibbrandt, Andreas -- Hanada, Toshikatsu -- Kitaoka, Shiho -- Furuyashiki, Tomoyuki -- Fujihara, Hiroaki -- Trichereau, Jean -- Paolino, Magdalena -- Qadri, Fatimunnisa -- Plehm, Ralph -- Klaere, Steffen -- Komnenovic, Vukoslav -- Mimata, Hiromitsu -- Yoshimatsu, Hironobu -- Takahashi, Naoyuki -- von Haeseler, Arndt -- Bader, Michael -- Kilic, Sara Sebnem -- Ueta, Yoichi -- Pifl, Christian -- Narumiya, Shuh -- Penninger, Josef M -- England -- Nature. 2009 Nov 26;462(7272):505-9. doi: 10.1038/nature08596.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉IMBA, Institute of Molecular Biotechnology of the Austrian Academy of Sciences, 1030 Vienna, Austria.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19940926" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Astrocytes/drug effects/metabolism ; Body Temperature Regulation/*drug effects/*physiology ; Child ; Dinoprostone/metabolism ; Female ; Fever/*chemically induced/complications/*metabolism ; Gene Expression Profiling ; Humans ; Injections, Intraventricular ; Male ; Mice ; Mice, Inbred C57BL ; Pneumonia/complications/metabolism ; RANK Ligand/administration & dosage/antagonists & ; inhibitors/metabolism/*pharmacology ; Rats ; Rats, Wistar ; Receptor Activator of Nuclear Factor-kappa B/genetics/*metabolism ; Receptors, Prostaglandin E/metabolism ; Receptors, Prostaglandin E, EP3 Subtype ; *Sex Characteristics
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    The pluripotency factor Oct4 interacts with Ctcf and also controls X-chromosome pairing and counting (2009)
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    Publication Date: 2009-06-19
    Description: Pluripotency of embryonic stem (ES) cells is controlled by defined transcription factors. During differentiation, mouse ES cells undergo global epigenetic reprogramming, as exemplified by X-chromosome inactivation (XCI) in which one female X chromosome is silenced to achieve gene dosage parity between the sexes. Somatic XCI is regulated by homologous X-chromosome pairing and counting, and by the random choice of future active and inactive X chromosomes. XCI and cell differentiation are tightly coupled, as blocking one process compromises the other and dedifferentiation of somatic cells to induced pluripotent stem cells is accompanied by X chromosome reactivation. Recent evidence suggests coupling of Xist expression to pluripotency factors occurs, but how the two are interconnected remains unknown. Here we show that Oct4 (also known as Pou5f1) lies at the top of the XCI hierarchy, and regulates XCI by triggering X-chromosome pairing and counting. Oct4 directly binds Tsix and Xite, two regulatory noncoding RNA genes of the X-inactivation centre, and also complexes with XCI trans-factors, Ctcf and Yy1 (ref. 17), through protein-protein interactions. Depletion of Oct4 blocks homologous X-chromosome pairing and results in the inactivation of both X chromosomes in female cells. Thus, we have identified the first trans-factor that regulates counting, and ascribed new functions to Oct4 during X-chromosome reprogramming.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3057664/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3057664/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Donohoe, Mary E -- Silva, Susana S -- Pinter, Stefan F -- Xu, Na -- Lee, Jeannie T -- GM58839/GM/NIGMS NIH HHS/ -- R01 GM058839/GM/NIGMS NIH HHS/ -- R01 GM058839-10/GM/NIGMS NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 Jul 2;460(7251):128-32. doi: 10.1038/nature08098. Epub 2009 Jun 17.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Howard Hughes Medical Institute, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19536159" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cell Line ; *Chromosome Pairing ; Female ; Humans ; Male ; Mice ; Octamer Transcription Factor-3/deficiency/genetics/*metabolism ; Protein Binding ; RNA, Long Noncoding ; RNA, Untranslated/genetics ; Repressor Proteins/*metabolism ; SOXB1 Transcription Factors ; Transcriptional Activation ; X Chromosome/*genetics/*metabolism ; X Chromosome Inactivation/*genetics ; YY1 Transcription Factor/metabolism
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    Dendritic encoding of sensory stimuli controlled by deep cortical interneurons (2009)
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    Publication Date: 2009-01-20
    Description: The computational power of single neurons is greatly enhanced by active dendritic conductances that have a large influence on their spike activity. In cortical output neurons such as the large pyramidal cells of layer 5 (L5), activation of apical dendritic calcium channels leads to plateau potentials that increase the gain of the input/output function and switch the cell to burst-firing mode. The apical dendrites are innervated by local excitatory and inhibitory inputs as well as thalamic and corticocortical projections, which makes it a formidable task to predict how these inputs influence active dendritic properties in vivo. Here we investigate activity in populations of L5 pyramidal dendrites of the somatosensory cortex in awake and anaesthetized rats following sensory stimulation using a new fibre-optic method for recording dendritic calcium changes. We show that the strength of sensory stimulation is encoded in the combined dendritic calcium response of a local population of L5 pyramidal cells in a graded manner. The slope of the stimulus-response function was under the control of a particular subset of inhibitory neurons activated by synaptic inputs predominantly in L5. Recordings from single apical tuft dendrites in vitro showed that activity in L5 pyramidal neurons disynaptically coupled via interneurons directly blocks the initiation of dendritic calcium spikes in neighbouring pyramidal neurons. The results constitute a functional description of a cortical microcircuit in awake animals that relies on the active properties of L5 pyramidal dendrites and their very high sensitivity to inhibition. The microcircuit is organized so that local populations of apical dendrites can adaptively encode bottom-up sensory stimuli linearly across their full dynamic range.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Murayama, Masanori -- Perez-Garci, Enrique -- Nevian, Thomas -- Bock, Tobias -- Senn, Walter -- Larkum, Matthew E -- England -- Nature. 2009 Feb 26;457(7233):1137-41. doi: 10.1038/nature07663. Epub 2009 Jan 18.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Physiologisches Institut, Universitat Bern, Buhlplatz 5, CH-3012 Bern, Switzerland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19151696" target="_blank"〉PubMed〈/a〉
    Keywords: Anesthesia ; Animals ; Calcium/metabolism ; Dendrites/*physiology ; Electric Stimulation ; Excitatory Postsynaptic Potentials/physiology ; Female ; Interneurons/*physiology ; Models, Neurological ; Rats ; Rats, Wistar ; Somatosensory Cortex/*cytology/*physiology ; Wakefulness/physiology
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    Big interest in heavy drugs (2009)
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    Publication Date: 2009-03-20
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sanderson, Katharine -- England -- Nature. 2009 Mar 19;458(7236):269. doi: 10.1038/458269a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19295573" target="_blank"〉PubMed〈/a〉
    Keywords: Clinical Trials, Phase I as Topic ; Cyclohexanols/chemistry/economics/pharmacokinetics ; Deuterium/*chemistry ; Drug Industry/*economics ; Female ; Humans ; Paroxetine/analogs & derivatives/chemistry/economics/pharmacokinetics ; Patents as Topic/legislation & jurisprudence ; Pharmaceutical Preparations/*chemistry/economics/*metabolism ; Venlafaxine Hydrochloride
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    Advances in development reverse fertility declines (2009)
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    Publication Date: 2009-08-08
    Description: During the twentieth century, the global population has gone through unprecedented increases in economic and social development that coincided with substantial declines in human fertility and population growth rates. The negative association of fertility with economic and social development has therefore become one of the most solidly established and generally accepted empirical regularities in the social sciences. As a result of this close connection between development and fertility decline, more than half of the global population now lives in regions with below-replacement fertility (less than 2.1 children per woman). In many highly developed countries, the trend towards low fertility has also been deemed irreversible. Rapid population ageing, and in some cases the prospect of significant population decline, have therefore become a central socioeconomic concern and policy challenge. Here we show, using new cross-sectional and longitudinal analyses of the total fertility rate and the human development index (HDI), a fundamental change in the well-established negative relationship between fertility and development as the global population entered the twenty-first century. Although development continues to promote fertility decline at low and medium HDI levels, our analyses show that at advanced HDI levels, further development can reverse the declining trend in fertility. The previously negative development-fertility relationship has become J-shaped, with the HDI being positively associated with fertility among highly developed countries. This reversal of fertility decline as a result of continued economic and social development has the potential to slow the rates of population ageing, thereby ameliorating the social and economic problems that have been associated with the emergence and persistence of very low fertility.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Myrskyla, Mikko -- Kohler, Hans-Peter -- Billari, Francesco C -- England -- Nature. 2009 Aug 6;460(7256):741-3. doi: 10.1038/nature08230.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Population Studies Center, University of Pennsylvania, 3718 Locust Walk, Philadelphia, Pennsylvania 19104, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661915" target="_blank"〉PubMed〈/a〉
    Keywords: Age Distribution ; *Birth Rate/trends ; Cross-Sectional Studies ; Developed Countries/economics/*statistics & numerical data ; Education ; Female ; Fertility/physiology ; History, 20th Century ; History, 21st Century ; Humans ; Income ; Life Expectancy ; Longitudinal Studies ; Male ; Maternal Age ; *Population Growth ; Reproductive Behavior/history/*statistics & numerical data ; Technology/history/statistics & numerical data/trends
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    No final answers yet on sex determination in birds (2009)
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    Publication Date: 2009-11-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kuroiwa, Asato -- England -- Nature. 2009 Nov 5;462(7269):34. doi: 10.1038/462034b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19890307" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Avian Proteins/genetics ; Chick Embryo ; Chickens/*genetics ; Female ; Humans ; Male ; *Models, Biological ; Sex Chromosomes/genetics ; *Sex Determination Processes ; Testis/embryology/metabolism ; Transcription Factors/*genetics
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    CD8(+) T lymphocyte mobilization to virus-infected tissue requires CD4(+) T-cell help (2009)
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    Publication Date: 2009-11-10
    Description: CD4(+) T helper cells are well known for their role in providing critical signals during priming of cytotoxic CD8(+) T lymphocyte (CTL) responses in vivo. T-cell help is required for the generation of primary CTL responses as well as in promoting protective CD8(+) memory T-cell development. However, the role of CD4 help in the control of CTL responses at the effector stage is unknown. Here we show that fully helped effector CTLs are themselves not self-sufficient for entry into the infected tissue, but rely on the CD4(+) T cells to provide the necessary cue. CD4(+) T helper cells control the migration of CTL indirectly through the secretion of IFN-gamma and induction of local chemokine secretion in the infected tissue. Our results reveal a previously unappreciated role of CD4 help in mobilizing effector CTL to the peripheral sites of infection where they help to eliminate infected cells.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2789415/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2789415/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Nakanishi, Yusuke -- Lu, Bao -- Gerard, Craig -- Iwasaki, Akiko -- AI054359/AI/NIAID NIH HHS/ -- AI062428/AI/NIAID NIH HHS/ -- AI39759/AI/NIAID NIH HHS/ -- HL51366/HL/NHLBI NIH HHS/ -- R01 AI054359/AI/NIAID NIH HHS/ -- R01 AI054359-06A2/AI/NIAID NIH HHS/ -- R01 AI062428/AI/NIAID NIH HHS/ -- R01 AI062428-05/AI/NIAID NIH HHS/ -- England -- Nature. 2009 Nov 26;462(7272):510-3. doi: 10.1038/nature08511. Epub 2009 Nov 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Immunobiology, Yale University School of Medicine, New Haven, Connecticut 06520, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19898495" target="_blank"〉PubMed〈/a〉
    Keywords: Adoptive Transfer ; Animals ; Chemokines/immunology/secretion ; *Chemotaxis ; Female ; Herpes Simplex/immunology/virology ; Herpesvirus 2, Human/*immunology ; Immunity, Mucosal/immunology ; Interferon-gamma/antagonists & inhibitors/immunology/secretion ; Mice ; Mice, Inbred C57BL ; Models, Immunological ; Mucous Membrane/immunology/virology ; Receptors, CXCR3/metabolism ; T-Lymphocytes, Cytotoxic/*cytology/*immunology ; T-Lymphocytes, Helper-Inducer/*immunology/secretion ; Vagina/*immunology/*virology
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    An anatomical signature for literacy (2009)
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    Publication Date: 2009-10-16
    Description: Language is a uniquely human ability that evolved at some point in the roughly 6,000,000 years since human and chimpanzee lines diverged. Even in the most linguistically impoverished environments, children naturally develop sophisticated language systems. In contrast, reading is a learnt skill that does not develop without intensive tuition and practice. Learning to read is likely to involve ontogenic structural brain changes, but these are nearly impossible to isolate in children owing to concurrent biological, environmental and social maturational changes. In Colombia, guerrillas are re-integrating into mainstream society and learning to read for the first time as adults. This presents a unique opportunity to investigate how literacy changes the brain, without the maturational complications present in children. Here we compare structural brain scans from those who learnt to read as adults (late-literates) with those from a carefully matched set of illiterates. Late-literates had more white matter in the splenium of the corpus callosum and more grey matter in bilateral angular, dorsal occipital, middle temporal, left supramarginal and superior temporal gyri. The importance of these brain regions for skilled reading was investigated in early literates, who learnt to read as children. We found anatomical connections linking the left and right angular and dorsal occipital gyri through the area of the corpus callosum where white matter was higher in late-literates than in illiterates; that reading, relative to object naming, increased the interhemispheric functional connectivity between the left and right angular gyri; and that activation in the left angular gyrus exerts top-down modulation on information flow from the left dorsal occipital gyrus to the left supramarginal gyrus. These findings demonstrate how the regions identified in late-literates interact during reading, relative to object naming, in early literates.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Carreiras, Manuel -- Seghier, Mohamed L -- Baquero, Silvia -- Estevez, Adelina -- Lozano, Alfonso -- Devlin, Joseph T -- Price, Cathy J -- 082420/Wellcome Trust/United Kingdom -- Wellcome Trust/United Kingdom -- England -- Nature. 2009 Oct 15;461(7266):983-6. doi: 10.1038/nature08461.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Basque Center on Cognition Brain and Language, Donostia-San Sebastian 20009, Spain [2] IKERBASQUE, Basque Foundation for Science, Bilbao 48011, Spain. m.carreiras@bcbl.eu〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19829380" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Aged ; Brain/*anatomy & histology/*physiology ; Child ; Colombia ; Corpus Callosum/anatomy & histology/physiology ; Educational Status ; Female ; Humans ; Language ; Magnetic Resonance Imaging ; Male ; Middle Aged ; Models, Neurological ; Neural Pathways/physiology ; *Reading ; Speech/physiology ; Young Adult
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    Secreted semaphorins control spine distribution and morphogenesis in the postnatal CNS (2009)
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    Publication Date: 2009-12-17
    Description: The majority of excitatory synapses in the mammalian CNS (central nervous system) are formed on dendritic spines, and spine morphology and distribution are critical for synaptic transmission, synaptic integration and plasticity. Here, we show that a secreted semaphorin, Sema3F, is a negative regulator of spine development and synaptic structure. Mice with null mutations in genes encoding Sema3F, and its holoreceptor components neuropilin-2 (Npn-2, also known as Nrp2) and plexin A3 (PlexA3, also known as Plxna3), exhibit increased dentate gyrus (DG) granule cell (GC) and cortical layer V pyramidal neuron spine number and size, and also aberrant spine distribution. Moreover, Sema3F promotes loss of spines and excitatory synapses in dissociated neurons in vitro, and in Npn-2(-/-) brain slices cortical layer V and DG GCs exhibit increased mEPSC (miniature excitatory postsynaptic current) frequency. In contrast, a distinct Sema3A-Npn-1/PlexA4 signalling cascade controls basal dendritic arborization in layer V cortical neurons, but does not influence spine morphogenesis or distribution. These disparate effects of secreted semaphorins are reflected in the restricted dendritic localization of Npn-2 to apical dendrites and of Npn-1 (also known as Nrp1) to all dendrites of cortical pyramidal neurons. Therefore, Sema3F signalling controls spine distribution along select dendritic processes, and distinct secreted semaphorin signalling events orchestrate CNS connectivity through the differential control of spine morphogenesis, synapse formation, and the elaboration of dendritic morphology.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842559/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2842559/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tran, Tracy S -- Rubio, Maria E -- Clem, Roger L -- Johnson, Dontais -- Case, Lauren -- Tessier-Lavigne, Marc -- Huganir, Richard L -- Ginty, David D -- Kolodkin, Alex L -- F32 NS051003/NS/NINDS NIH HHS/ -- P50 MH06883/MH/NIMH NIH HHS/ -- R01 DC-006881/DC/NIDCD NIH HHS/ -- R01 MH059199/MH/NIMH NIH HHS/ -- R01 MH059199-07/MH/NIMH NIH HHS/ -- R01 MH059199-08/MH/NIMH NIH HHS/ -- R01 MH059199-09/MH/NIMH NIH HHS/ -- R01 MH059199-10/MH/NIMH NIH HHS/ -- R01 MH59199/MH/NIMH NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 Dec 24;462(7276):1065-9. doi: 10.1038/nature08628. Epub 2009 Dec 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20010807" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Central Nervous System/cytology/drug effects/*growth & ; development/*metabolism/ultrastructure ; Female ; Gene Expression Regulation, Developmental ; Male ; Mice ; Mice, Knockout ; Neuropilin-1/metabolism ; Neuropilin-2/metabolism ; Pyramidal Cells/*cytology/drug effects/*growth & development/ultrastructure ; Recombinant Proteins/pharmacology ; Semaphorins/genetics/*metabolism/pharmacology ; Signal Transduction ; Synapses/drug effects/*physiology/ultrastructure
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Idea of a love drug was no mystery to Shakespeare (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-02-27
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ehrenfeld, Joan G -- England -- Nature. 2009 Feb 26;457(7233):1079. doi: 10.1038/4571079d.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19242450" target="_blank"〉PubMed〈/a〉
    Keywords: Aphrodisiacs/*history ; *Drama ; England ; Female ; History, 16th Century ; Humans ; *Literature, Modern ; *Love ; Male ; Wit and Humor as Topic
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    Biomechanical forces promote embryonic haematopoiesis (2009)
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    Publication Date: 2009-05-15
    Description: Biomechanical forces are emerging as critical regulators of embryogenesis, particularly in the developing cardiovascular system. After initiation of the heartbeat in vertebrates, cells lining the ventral aspect of the dorsal aorta, the placental vessels, and the umbilical and vitelline arteries initiate expression of the transcription factor Runx1 (refs 3-5), a master regulator of haematopoiesis, and give rise to haematopoietic cells. It remains unknown whether the biomechanical forces imposed on the vascular wall at this developmental stage act as a determinant of haematopoietic potential. Here, using mouse embryonic stem cells differentiated in vitro, we show that fluid shear stress increases the expression of Runx1 in CD41(+)c-Kit(+) haematopoietic progenitor cells, concomitantly augmenting their haematopoietic colony-forming potential. Moreover, we find that shear stress increases haematopoietic colony-forming potential and expression of haematopoietic markers in the para-aortic splanchnopleura/aorta-gonads-mesonephros of mouse embryos and that abrogation of nitric oxide, a mediator of shear-stress-induced signalling, compromises haematopoietic potential in vitro and in vivo. Collectively, these data reveal a critical role for biomechanical forces in haematopoietic development.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2782763/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2782763/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Adamo, Luigi -- Naveiras, Olaia -- Wenzel, Pamela L -- McKinney-Freeman, Shannon -- Mack, Peter J -- Gracia-Sancho, Jorge -- Suchy-Dicey, Astrid -- Yoshimoto, Momoko -- Lensch, M William -- Yoder, Mervin C -- Garcia-Cardena, Guillermo -- Daley, George Q -- R01 AI080759/AI/NIAID NIH HHS/ -- R01 AI080759-01/AI/NIAID NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 Jun 25;459(7250):1131-5. doi: 10.1038/nature08073. Epub 2009 May 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Excellence in Vascular Biology, Department of Pathology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts 02115, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19440194" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Aorta/cytology/embryology ; *Cell Differentiation ; Cell Line ; Cells, Cultured ; Core Binding Factor Alpha 2 Subunit/genetics ; Embryonic Stem Cells ; Endothelium-Dependent Relaxing Factors/pharmacology ; Female ; Gene Expression Regulation, Developmental ; Hematopoiesis/*physiology ; Hematopoietic Stem Cells/*cytology/drug effects ; Mice ; Nitric Oxide/pharmacology ; Pregnancy ; *Stress, Mechanical
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    Demography: Babies make a comeback (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-08-08
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Tuljapurkar, Shripad -- England -- Nature. 2009 Aug 6;460(7256):693-4. doi: 10.1038/460693a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19661903" target="_blank"〉PubMed〈/a〉
    Keywords: Age Distribution ; *Birth Rate/trends ; Developed Countries/economics/*statistics & numerical data ; Education ; Female ; Fertility/physiology ; Humans ; Income ; Life Expectancy ; Male ; Maternal Age ; *Population Growth ; Reproductive Behavior/*statistics & numerical data
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Rapamycin fed late in life extends lifespan in genetically heterogeneous mice (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-07-10
    Description: Inhibition of the TOR signalling pathway by genetic or pharmacological intervention extends lifespan in invertebrates, including yeast, nematodes and fruitflies; however, whether inhibition of mTOR signalling can extend lifespan in a mammalian species was unknown. Here we report that rapamycin, an inhibitor of the mTOR pathway, extends median and maximal lifespan of both male and female mice when fed beginning at 600 days of age. On the basis of age at 90% mortality, rapamycin led to an increase of 14% for females and 9% for males. The effect was seen at three independent test sites in genetically heterogeneous mice, chosen to avoid genotype-specific effects on disease susceptibility. Disease patterns of rapamycin-treated mice did not differ from those of control mice. In a separate study, rapamycin fed to mice beginning at 270 days of age also increased survival in both males and females, based on an interim analysis conducted near the median survival point. Rapamycin may extend lifespan by postponing death from cancer, by retarding mechanisms of ageing, or both. To our knowledge, these are the first results to demonstrate a role for mTOR signalling in the regulation of mammalian lifespan, as well as pharmacological extension of lifespan in both genders. These findings have implications for further development of interventions targeting mTOR for the treatment and prevention of age-related diseases.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2786175/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2786175/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Harrison, David E -- Strong, Randy -- Sharp, Zelton Dave -- Nelson, James F -- Astle, Clinton M -- Flurkey, Kevin -- Nadon, Nancy L -- Wilkinson, J Erby -- Frenkel, Krystyna -- Carter, Christy S -- Pahor, Marco -- Javors, Martin A -- Fernandez, Elizabeth -- Miller, Richard A -- AG022303/AG/NIA NIH HHS/ -- AG022307/AG/NIA NIH HHS/ -- AG022308/AG/NIA NIH HHS/ -- AG025707/AG/NIA NIH HHS/ -- AG13319/AG/NIA NIH HHS/ -- P30 AG013319/AG/NIA NIH HHS/ -- P30 AG013319-119002/AG/NIA NIH HHS/ -- P30 AG013319-129002/AG/NIA NIH HHS/ -- P30 AG013319-139002/AG/NIA NIH HHS/ -- P30 AG013319-149002/AG/NIA NIH HHS/ -- P30 AG025707/AG/NIA NIH HHS/ -- U01 AG022303/AG/NIA NIH HHS/ -- U01 AG022307/AG/NIA NIH HHS/ -- U01 AG022307-01/AG/NIA NIH HHS/ -- U01 AG022307-02/AG/NIA NIH HHS/ -- U01 AG022307-03/AG/NIA NIH HHS/ -- U01 AG022307-04/AG/NIA NIH HHS/ -- U01 AG022307-05/AG/NIA NIH HHS/ -- U01 AG022307-05S1/AG/NIA NIH HHS/ -- U01 AG022308/AG/NIA NIH HHS/ -- England -- Nature. 2009 Jul 16;460(7253):392-5. doi: 10.1038/nature08221. Epub 2009 Jul 8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The Jackson Laboratory, Bar Harbor, Maine 04609, USA. david.harrison@jax.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19587680" target="_blank"〉PubMed〈/a〉
    Keywords: Administration, Oral ; Aging/*drug effects/genetics/*physiology ; Animals ; Carrier Proteins/antagonists & inhibitors/metabolism ; Diet ; Disease Susceptibility ; Female ; Longevity/*drug effects/*genetics/physiology ; Male ; Mice ; Phosphotransferases (Alcohol Group Acceptor)/antagonists & inhibitors/metabolism ; Sirolimus/*administration & dosage/*pharmacology ; Specific Pathogen-Free Organisms ; Survival Analysis ; TOR Serine-Threonine Kinases ; Time Factors
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    Human genetics: Tracing India's invisible threads (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-09-26
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Chakravarti, Aravinda -- England -- Nature. 2009 Sep 24;461(7263):487-8. doi: 10.1038/461487a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19779444" target="_blank"〉PubMed〈/a〉
    Keywords: Asia/ethnology ; Continental Population Groups/genetics/history ; Ethnic Groups/*genetics/history ; Europe/ethnology ; Female ; Founder Effect ; Genetics, Population ; Genome, Human/genetics ; Genomics ; Genotype ; History, 16th Century ; History, 20th Century ; History, Ancient ; Humans ; India ; Language ; Male ; *Phylogeny ; Polymorphism, Single Nucleotide/genetics
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    An agenda for personalized medicine (2009)
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    Publication Date: 2009-10-09
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ng, Pauline C -- Murray, Sarah S -- Levy, Samuel -- Venter, J Craig -- England -- Nature. 2009 Oct 8;461(7265):724-6. doi: 10.1038/461724a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉J. Craig Venter Institute, Science Center Drive, San Diego, California 92121, USA. png@jcvi.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19812653" target="_blank"〉PubMed〈/a〉
    Keywords: Ethnic Groups/genetics ; False Negative Reactions ; Female ; Gene Frequency/genetics ; Genetic Counseling/methods/*standards ; Genetic Markers/genetics ; Genetic Predisposition to Disease/*genetics ; Genetic Testing/methods/*standards ; Genetics, Medical/methods/*standards ; Genome, Human/*genetics ; Genome-Wide Association Study ; Genotype ; Health Behavior ; Humans ; Male ; Odds Ratio ; Pharmacogenetics ; *Practice Guidelines as Topic ; Prospective Studies ; Reproducibility of Results ; Sequence Analysis, DNA/standards
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    Pelvic claspers confirm chondrichthyan-like internal fertilization in arthrodires (2009)
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    Publication Date: 2009-07-15
    Description: Recent finds demonstrate that internal fertilization and viviparity (live birth) were more widespread in the Placodermi, an extinct group of armoured fishes, than was previously realized. Placoderms represent the sister group of the crown group jawed vertebrates (Gnathostomata), making their mode(s) of reproduction potentially informative about primitive gnathostome conditions. An ossified pelvic fin basipterygium discovered in the arthrodire Incisoscutum ritchiei was hypothesized to be identical in males and females, with males presumed to have an additional cartilaginous element or series forming a clasper. Here we report the discovery of a completely ossified pelvic clasper in Incisoscutum ritchiei (WAM 03.3.28) which shows that this interpretation was incorrect: the basipterygium described previously is in fact unique to females. The male clasper is a slender rod attached to a square basal plate that articulates directly with the pelvis. It carries a small cap of dermal bone covered in denticles and small hooks that may be homologous with the much larger dermal component of the ptyctodont clasper.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ahlberg, Per -- Trinajstic, Kate -- Johanson, Zerina -- Long, John -- England -- Nature. 2009 Aug 13;460(7257):888-9. doi: 10.1038/nature08176. Epub 2009 Jul 13.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Subdepartment of Evolutionary Organismal Biology, Department of Physiology and Developmental Biology, Uppsala University, Norbyvagen 18A, 752 36 Uppsala, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19597477" target="_blank"〉PubMed〈/a〉
    Keywords: Animal Structures/anatomy & histology/*physiology ; Animals ; Female ; Fertilization/*physiology ; Fishes/*anatomy & histology/*physiology ; Fossils ; History, Ancient ; Male ; Pelvis/anatomy & histology ; Viviparity, Nonmammalian/physiology
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    Robust discrimination between self and non-self neurites requires thousands of Dscam1 isoforms (2009)
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    Publication Date: 2009-10-02
    Description: Down Syndrome cell adhesion molecule (Dscam) genes encode neuronal cell recognition proteins of the immunoglobulin superfamily. In Drosophila, Dscam1 generates 19,008 different ectodomains by alternative splicing of three exon clusters, each encoding half or a complete variable immunoglobulin domain. Identical isoforms bind to each other, but rarely to isoforms differing at any one of the variable immunoglobulin domains. Binding between isoforms on opposing membranes promotes repulsion. Isoform diversity provides the molecular basis for neurite self-avoidance. Self-avoidance refers to the tendency of branches from the same neuron (self-branches) to selectively avoid one another. To ensure that repulsion is restricted to self-branches, different neurons express different sets of isoforms in a biased stochastic fashion. Genetic studies demonstrated that Dscam1 diversity has a profound role in wiring the fly brain. Here we show how many isoforms are required to provide an identification system that prevents non-self branches from inappropriately recognizing each other. Using homologous recombination, we generated mutant animals encoding 12, 24, 576 and 1,152 potential isoforms. Mutant animals with deletions encoding 4,752 and 14,256 isoforms were also analysed. Branching phenotypes were assessed in three classes of neurons. Branching patterns improved as the potential number of isoforms increased, and this was independent of the identity of the isoforms. Although branching defects in animals with 1,152 potential isoforms remained substantial, animals with 4,752 isoforms were indistinguishable from wild-type controls. Mathematical modelling studies were consistent with the experimental results that thousands of isoforms are necessary to ensure acquisition of unique Dscam1 identities in many neurons. We conclude that thousands of isoforms are essential to provide neurons with a robust discrimination mechanism to distinguish between self and non-self during self-avoidance.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2836808/" target="_blank"〉〈img src="https://static.pubmed.gov/portal/portal3rc.fcgi/4089621/img/3977009" border="0"〉〈/a〉   〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2836808/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hattori, Daisuke -- Chen, Yi -- Matthews, Benjamin J -- Salwinski, Lukasz -- Sabatti, Chiara -- Grueber, Wesley B -- Zipursky, S Lawrence -- F31 NS060341/NS/NINDS NIH HHS/ -- R01 DC006485/DC/NIDCD NIH HHS/ -- R01 DC006485-07/DC/NIDCD NIH HHS/ -- R01 HD040279/HD/NICHD NIH HHS/ -- R01 HD040279-05/HD/NICHD NIH HHS/ -- T32 HD007430/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2009 Oct 1;461(7264):644-8. doi: 10.1038/nature08431.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biological Chemistry, Howard Hughes Medical Institute, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19794492" target="_blank"〉PubMed〈/a〉
    Keywords: Alleles ; Alternative Splicing ; Animals ; Brain/cytology/metabolism ; Cell Adhesion Molecules/*chemistry/genetics/*metabolism ; Drosophila Proteins/*chemistry/genetics/*metabolism ; Drosophila melanogaster/*cytology/genetics/*metabolism ; Female ; Male ; Models, Biological ; Mushroom Bodies/cytology/metabolism ; Neurites/*metabolism ; Protein Isoforms/chemistry/genetics/metabolism ; Sequence Deletion ; Stochastic Processes
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    Cardiovascular disease gets personal (2009)
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    Publication Date: 2009-08-21
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayden, Erika Check -- England -- Nature. 2009 Aug 20;460(7258):940-1. doi: 10.1038/460940a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19693052" target="_blank"〉PubMed〈/a〉
    Keywords: Anticoagulants/administration & dosage/adverse effects/therapeutic use ; Cardiovascular Diseases/*drug therapy/*genetics ; Clinical Trials as Topic ; Female ; Genetic Predisposition to Disease/*genetics ; Genetic Testing ; Genetic Variation ; Genome-Wide Association Study ; Genomics/trends ; Humans ; Pharmacogenetics/*trends ; Piperazines/administration & dosage/therapeutic use ; Platelet Aggregation Inhibitors/administration & dosage/adverse ; effects/therapeutic use ; Prasugrel Hydrochloride ; Thiophenes/administration & dosage/therapeutic use ; Ticlopidine/administration & dosage/adverse effects/analogs & ; derivatives/therapeutic use ; Warfarin/administration & dosage/adverse effects/therapeutic use
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    Bush's legacy: An unlikely champion (2009)
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    Publication Date: 2009-01-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hayden, Erika Check -- England -- Nature. 2009 Jan 15;457(7227):254-6. doi: 10.1038/457254a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19148076" target="_blank"〉PubMed〈/a〉
    Keywords: *Federal Government ; Female ; *Global Health ; HIV Infections/*drug therapy/*economics/prevention & control ; Humans ; United States ; World Health Organization
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    Hybrid embryos fail to live up to stem-cell hopes (2009)
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    Publication Date: 2009-02-11
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ledford, Heidi -- England -- Nature. 2009 Feb 5;457(7230):642. doi: 10.1038/457642b.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19205093" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Cattle ; Cell Nucleus/metabolism ; Cellular Reprogramming/genetics/physiology ; Embryo, Mammalian/*cytology/*embryology ; Embryonic Stem Cells/*cytology ; Female ; Humans ; Mice ; *Nuclear Transfer Techniques ; Pluripotent Stem Cells/metabolism ; Rabbits ; Sheep ; Swine
    Print ISSN: 0028-0836
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    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
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    Obesity: Be cool, lose weight (2009)
    Nature Publishing Group (NPG)
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    Publication Date: 2009-04-17
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Farmer, Stephen R -- England -- Nature. 2009 Apr 16;458(7240):839-40. doi: 10.1038/458839a.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19370020" target="_blank"〉PubMed〈/a〉
    Keywords: Adipose Tissue, Brown/anatomy & histology/cytology/*metabolism ; *Cold Temperature ; Female ; Humans ; Male ; Obesity/drug therapy/*metabolism ; Sex Characteristics ; Weight Loss/*physiology
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