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  • 1
    Electronic Resource
    Electronic Resource
    Population genetics of Japanese monkeys: III. Ancestry and differentiation of local populations (1991)
    Springer
    Primates 32 (1991), S. 411-435 
    Details
    ISSN: 0032-8332
    Keywords: Macaca fuscata ; Protein polymorphism ; Genetic distance ; Principal component analysis ; Hennigian cladistics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Genetic variability in local populations of the Japanese macaque (Macaca fuscata) was quantified by the proportion of polymorphic loci (Ppoly) and the average heterozygosity per individual ( $$\bar H$$ ) from the starch- and polyacrylamide-gel electrophoreses of blood proteins controlled by 32 independent genetic loci. Ppoly averaged 13.6% and $$\bar H$$ 2.1%, the values being at lower level compared with other mammalian species. Geographical distribution of the genetic variations was not uniform in the whole species but its local differentiation was remarkable. Genetic variability tended to be lower in the southern localities, especially in the southernmost island of Yaku, than in the central and northern localities. The genetic distance and the principal component analyses showed that the most divergent local populations were the population in the Shimokita peninsula at the northernmost distribution area of the species and the populations on the Yaku island at the southernmost. The most contributory loci to the genetic divergence were the PGM-II, Gc, and Hb-β, the variant allele at the first locus being concentrated in the Yaku island, in the Shimokita peninsula, and in the easternmost Boso peninsula, and the variant allele at the latter two loci having high frequencies in the Shimokita and the Izu peninsulas. The Hennigian cladistic analysis, for which the Chinese rhesus macaque (M. mulatta) was used as the outgroup, revealed that the number of presence of derived (apomorphic) alleles was conspicuously smaller in southern islet populations than in central and northern populations, whereas any areal tendency was not recognized in the number of loss of ancestral (plesiomorphic) alleles. The observed distribution pattern that the plesiomorphic variant allele at the PGM-II locus concentrated only in the peripheral (southernmost, northernmost, and easternmost) ranges of the species, would indicate, as a possibility, the occurrence of two or more waves of immigration of ancestors of the present-day Japanese macaque from the Asian continent.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02381934
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    Paper (German National Licenses)
    Fulltext
  • 2
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    Core 3 synthase is down-regulated in colon carcinoma and profoundly suppresses the metastatic potential of carcinoma cells (2005)
    National Academy of Sciences
    Details
    Publication Date: 2005-03-08
    Print ISSN: 0027-8424
    Electronic ISSN: 1091-6490
    Topics: Biology , Medicine , Natural Sciences in General
    Published by National Academy of Sciences
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  • 3
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    Selective Detection of Antigen-Antibody Reaction Using Si Ring Optical Resonators (2010)
    Institute of Physics
    Details
    Publication Date: 2010-04-20
    Print ISSN: 0021-4922
    Electronic ISSN: 1347-4065
    Topics: Physics
    Published by Institute of Physics
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  • 4
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    Conductive Adhesive Film Expands the Utility of Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry Imaging (2019)
    American Chemical Society
    Details
    Publication Date: 2019-06-18
    Print ISSN: 0003-2700
    Electronic ISSN: 1520-6882
    Topics: Chemistry and Pharmacology
    Published by American Chemical Society
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  • 5
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    BioHackathon series in 2011 and 2012: penetration of ontology and linked data in life science domains (2014)
    In:  EPIC3Journal of Biomedical Semantics, 5(1), pp. 5, ISSN: 2041-1480
    Details
    Publication Date: 2017-01-30
    Description: The application of semantic technologies to the integration of biological data and the interoperability of bioinformatics analysis and visualization tools has been the common theme of a series of annual BioHackathons hosted in Japan for the past five years. Here we provide a review of the activities and outcomes from the BioHackathons held in 2011 in Kyoto and 2012 in Toyama. In order to efficiently implement semantic technologies in the life sciences, participants formed various sub-groups and worked on the following topics: Resource Description Framework (RDF) models for specific domains, text mining of the literature, ontology development, essential metadata for biological databases, platforms to enable efficient Semantic Web technology development and interoperability, and the development of applications for Semantic Web data. In this review, we briefly introduce the themes covered by these sub-groups. The observations made, conclusions drawn, and software development projects that emerged from these activities are discussed.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , peerRev
    Format: application/pdf
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  • 6
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    Biology and Management of Deepwater Snappers of the Hawaiian Archipelago (2021)
    In:  http://aquaticcommons.org/id/eprint/9870 | 403 | 2014-01-02 19:35:03 | 9870 | United States National Marine Fisheries Service
    Details
    Publication Date: 2021-06-25
    Description: Commercial and recreational deepwater (100-400 m) bottom-fishing in Hawaii targets a multispecies group of lutjanid snappers. Relatively little is known about the life history of these species. Research in Hawaii and elsewhere in the tropical Pacific suggests that most of the species are slow growing, long lived, and have a relatively high age at sexual maturity. Stock assessment is difficult because of the multispecies nature of the fishery. However, recent analysis of commercial fishery data indicates that some of the species may currently be overexploited. Research is underway to determine the efficacy of management measures such as minimum-size limit changes or seasonal and spatial fishery closures to maintain optimal spawning biomass.
    Keywords: Biology ; Fisheries ; Management
    Repository Name: AquaDocs
    Type: article , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 20-27
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  • 7
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    Based on height difference observations of aerosol optical properties by Sky radiometer (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-06-29
    Description: We investigated the remote sensing of aerosol optical properties at ground-based and mountain site by using the Sky radiometer (POM-01, 02: PREDE Co. Ltd., Tokyo, Japan.). Our objectives were to understand the effect on the earth climate change and radiative forcing based on height difference observation of aerosol optical properties. These data have revealed various some events and seasonal trend. However, there are still some things to consider in different observation environments, effect of cloud and climatic conditions, such as changes in some parameters (surface albedo, atmospheric pressure, and so on). Based on height difference observations, we are conducting different research (Atmosphere, Ocean, Cryosphere, Land) to proposals for next validation and analysis, focusing on the wavelength dependence of optical properties by solar radiation. We provide the wavelength dependence of solar aureole, in this presentation, on the aerosol optical properties measurements with vertical variability based on height difference at two area of Toyama and Nagasaki, Japan. Toyama area (Toyama (TOY: 36.699N, 137.187, alt. 30m) and Mt. Jodo (JOD: 36.566N, 137.606E, alt. 2839m)) is located in the center of Japan, near the Toyama Bay on the cost of Sea of Japan. Nagasaki area (Nagasaki (NGS: 32.786N, 129.865E, alt. 35m) and Mt. Unzen-Nita (UZN: 32.751N, 130.286E, alt. 1100m)) is located in the south-west part of Japan. Both areas are observed to be affected by Asian dust, anthropogenic aerosols, and volcanic eruptions. In this presentation, on the aerosol optical properties measurements with temporal and spatial variability.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 8
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    Development of a fault model estimation method based on real-time MCMC and its implementation to a real GNSS network (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-07-20
    Description: Rapid estimation of the coseismic fault model for medium-to-large-sized earthquakes is key for disaster response. To estimate the coseismic fault model for large earthquakes, the Geospatial Information Authority of Japan and Tohoku University have jointly developed a real-time GEONET analysis system for rapid deformation monitoring (REGARD). REGARD can estimate the single rectangular fault model and slip distribution along the assumed plate interface. The single rectangular fault model is useful as a first-order approximation of a medium-to-large earthquake. To obtain a more robust fault model with its estimation uncertainties, we developed a new method to estimate the coseismic fault model and model uncertainties in real-time based on the Bayesian inversion approach using the Markov Chain Monte Carlo (MCMC) method. In general, MCMC requires a long mixing time to obtain posterior probabilities, but the developed method can obtain a solution within about 20 seconds after the permanent displacement is acquired, thanks to parallel tempering and other computational efficiency improvements. The developed method has already been implemented in REGARD and has been successfully demonstrated to obtain real-time solutions for several moderate-size earthquakes. Tohoku University and the GSI are also developing a fast estimation method of slip distribution at plate boundaries using MCMC. The presentation will include a more detailed discussion of the advantages of using MCMC to estimate the slip distribution at the plate boundary.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 9
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    Improving REGARD: real-time finite fault estimates with dense GNSS CORS network GEONET in Japan (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-08-09
    Description: GNSS continuous observation enables us to rapidly estimate a finite fault model for a large earthquake without saturation of magnitude. Geospatial Information Authority of Japan (GSI) operates a dense and nationwide GNSS continuous observation network named GEONET, which is capable of providing 1Hz displacement data in real-time. After a gigantic 2011 earthquake in Japan, GSI in collaboration with Tohoku university launched a REGARD (REal-time GEONET Analysis system for Rapid Deformation monitoring), which offers a finite fault model based on the real-time displacement data observed in GEONET. The REGARD system has successfully provided the co-seismic displacement and finite fault model information for recent M~7 or larger earthquakes. These results are provided to government agencies in a few minutes from an earthquake occurrence and are taken advantage of their initial response and tsunami prediction. To achieve the highest reliability in REGARD, we seek the possibility of applying precise point positioning (PPP) instead of the current relative positioning. PPP can improve the robustness of the real-time positioning subsystem in REGARD by its nature of single positioning. The precise satellite orbit and clock information is generated using MADOCA developed by Japan Aerospace Exploration Agency (JAXA). The satellite orbit and clock includes not only GPS and GLONASS but also QZSS, the Japanese satellite positioning system. In our performance assessment, PPP showed a cm-level accuracy, which is close to the performance of RTK.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 10
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    Precise orbits determination results for GNSS using MADOCA (2023)
    In:  XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
    Details
    Publication Date: 2023-08-09
    Description: Geospatial Information Authority of Japan (GSI) is currently developing technologies for GNSS precise orbit determination. The project is performed in collaboration with the Japan Aerospace Exploration Agency (JAXA). We use MADOCA software developed by JAXA to estimate precise orbits for GNSS that include Japan’s satellite system QZSS (Quasi-Zenith Satellite System), as well as GPS and GLONASS. The GNSS precise orbit determination project has important aspects. Firstly, it improves the redundancy of our daily station coordinates of Japan’s GNSS CORS network named GEONET, which consists of over 1,300 stations. At present, the routine analysis completely depends on IGS products. Our results are used to relate the current position with the position aligned to JGD2011, and also used as the basis for real-time high-precision positioning services including Centimeter Level Positioning Augmentation Service (CLAS). Therefore, our own orbit products aligned with the ITRF is important to reduce the dependency of the products on external organizations only. Secondly, QZSS is scheduled to reach a total of seven satellites during FY2023 and FY2024. Thus, it is essential to provide precise QZSS orbits aligned with national geodetic datum, likewise GPS and GLONASS. We reprocessed data for November to December 2020 and assessed the results. Due to the software update that make sure more consistent with the conventions and modeling in IGS repro3, our results well aligned with IGS combined solutions. The consistency is almost comparable to other IGS analysis centers. In our presentation, we will present further results for long-term reprocessing under the framework of repro3.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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