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  • 1
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    White Rose University Press | White Rose University Press
    Publikationsdatum: 2022-12-06
    Beschreibung: In Hidden Depths, Professor Penny Spikins explores how our emotional connections have shaped human ancestry. Focusing on three key transitions in human origins, Professor Spikins explains how the emotional capacities of our early ancestors evolved in response to ecological changes, much like similar changes in other social mammals. For each transition, dedicated chapters examine evolutionary pressures, responses in changes in human emotional capacities and the archaeological evidence for human social behaviours. Starting from our earliest origins, in Part One, Professor Spikins explores how after two million years ago, movement of human ancestors into a new ecological niche drove new types of collaboration, including care for vulnerable members of the group. Emotional adaptations lead to cognitive changes, as new connections based on compassion, generosity, trust and inclusion also changed our relationship to material things. Part Two explores a later key transition in human emotional capacities occurring after 300,000 years ago. At this time changes in social tolerance allowed ancestors of our own species to further reach out beyond their local group and care about distant allies, making human communities resilient to environmental changes. An increasingly close relationship to animals, and even to cherished possessions, appeared at this time, and can be explained through new human vulnerabilities and ways of seeking comfort and belonging. Lastly, Part Three focuses on the contrasts in emotional dispositions arising between ourselves and our close cousins, the Neanderthals. Neanderthals are revealed as equally caring yet emotionally different humans, who might, if things had been different, have been in our place today. This new narrative breaks away from traditional views of human evolution as exceptional or as a linear progression towards a more perfect form. Instead, our evolutionary history is situated within similar processes occurring in other mammals, and explained as one in which emotions, rather than ‘intellect’, were key to our evolutionary journey. Moreover, changes in emotional capacities and dispositions are seen as part of differing pathways each bringing strengths, weaknesses and compromises. These hidden depths provide an explanation for many of the emotional sensitivities and vulnerabilities which continue to influence our world today.
    Schlagwort(e): Human demography ; Group size ; Lithic transfers ; Raw material movements ; Bonobos ; Dog burial ; Comfort ; Symbolic objects ; Symbolism ; Mobiliary art ; Attachment fluidity ; Hypersociability ; Human-animal relationships ; Dog domestication ; Attachment object ; Approachability ; Approach behaviour ; Avoidance behaviour ; Androgens ; Physiological responses ; Cognitive Archaeology ; Autism Spectrum Condition ; Handaxe ; Biface ; Neurodiversity ; Palaeolithic stone tools ; Evolution of neurodiversity ; Rock art ; Ice age art ; Material Culture ; Cultural transmission ; Emotional commitment ; Biopsychosocial approach ; Social tolerance ; Attachment ; Genus Homo ; Acheulian ; Cultural evolution ; Skeletal abnormality ; Injury ; Illness ; Interdependence ; Emotional sensitivity ; Moral emotions ; Evolution of Altruism ; Hominins ; Upper Palaeolithic ; Lower Palaeolithic ; Ecological niche ; Selective pressure ; Behavioural ecology ; Wolves ; Affective empathy ; Cognitive empathy ; Theory of mind ; Human Cognition ; Vulnerability ; Evolutionary Psychology ; Developmental psychology ; Helping behaviours ; Social cognition ; Social mammals ; Human Emotion ; Human social collaboration ; Generosity ; Emotional brain ; Social emotions ; Comparative behaviour ; Evolution ; Social carnivores ; Primate behavioural ecology ; Primate social systems ; Human Evolution ; Human ancestors ; Collaboration ; Evolutionary Biology ; Emotional vulnerability ; Social connection ; Decolonisation ; Social networks ; Middle Palaeolithic ; Community resilience ; Convergent evolution ; Chimpanzee ; Origin of modern humans ; Social safeness ; Wolf domestication ; Cherished possessions ; Compensatory attachment ; Loneliness ; Palaeolithic art ; Stress reactivity ; Bonding hormones ; Humans ; Hunter-gatherers ; Intergroup collaboration ; Tolerance ; Emotional connection ; Autism ; Trust ; Early Prehistory ; Palaeopathology ; Origins of healthcare ; Human self-domestication ; Palaeolithic Archaeology ; Social brain ; Care-giving ; Empathy ; Neanderthals ; Compassion ; Social Connection ; Evolution of Emotions ; Human Origins ; Adaptation ; Prehistory ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHM Anthropology ; bic Book Industry Communication::H Humanities::HD Archaeology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAF Ecological science, the Biosphere ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSA Life sciences: general issues::PSAJ Evolution ; bic Book Industry Communication::J Society & social sciences::JP Politics & government::JPW Political activism::JPWQ Revolutionary groups & movements ; bic Book Industry Communication::J Society & social sciences::JM Psychology
    Sprache: Englisch
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  • 2
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    De Gruyter | De Gruyter Open Poland
    Publikationsdatum: 2022-11-22
    Beschreibung: This edited volume examines the opportunities to think, do, and/or create jointly afforded by digital storytelling. The contributors discuss digital storytelling in the context of educational programs, teaching anthropology, and ethnographic research involving a variety of populations and subjects that will appeal to researchers and practitioners engaged with qualitative methods and pedagogies that rely on media technology.
    Schlagwort(e): Discourse ; Climate Change ; Humans ; Nature ; Oceania ; Resilience ; Environmental Ethics ; Environmental Change ; Worldview ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFF Social issues & processes::JFFC Social impact of disasters ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFH Popular beliefs & controversial knowledge::JFHF Folklore, myths & legends ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFS Social groups::JFSL Ethnic studies::JFSL9 Indigenous peoples ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHB Sociology::JHBD Population & demography ; bic Book Industry Communication::J Society & social sciences::JH Sociology & anthropology::JHM Anthropology ; bic Book Industry Communication::P Mathematics & science::PS Biology, life sciences::PSX Human biology::PSXM Medical anthropology
    Sprache: Englisch
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  • 3
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    Frontiers Media SA
    Publikationsdatum: 2024-03-31
    Beschreibung: Echolocation has evolved in different groups of animals, from bats and cetaceans to birds and humans, and enables localization and tracking of objects in a dynamic environment, where light levels may be very low or absent. Nature has shaped echolocation, an active sense that engages audiomotor feedback systems, which operates in diverse environments and situations. Echolocation production and perception vary across species, and signals are often adapted to the environment and task. In the last several decades, researchers have been studying the echolocation behavior of animals, both in the air and underwater, using different methodologies and perspectives. The result of these studies has led to rich knowledge on sound production mechanisms, directionality of the sound beam, signal design, echo reception and perception. Active control over echolocation signal production and the mechanisms for echo processing ultimately provide animals with an echoic scene or image of their surroundings. Sonar signal features directly influence the information available for the echolocating animal to perceive images of its environment. In many echolocating animals, the information processed through echoes elicits a reaction in motor systems, including adjustments in subsequent echolocation signals. We are interested in understanding how echolocating animals deal with different environments (e.g. clutter, light levels), tasks, distance to targets or objects, different prey types or other food sources, presence of conspecifics or certain predators, ambient and anthropogenic noise. In recent years, some researchers have presented new data on the origins of echolocation, which can provide a hint of its evolution. Theoreticians have addressed several issues that bear on echolocation systems, such as frequency or time resolution, target localization and beam-forming mechanisms. In this Research Topic we compiled recent work that elucidates how echolocation – from sound production, through echolocation signals to perception- has been shaped by nature functioning in different environments and situations. We strongly encouraged comparative approaches that would deepen our understanding of the processes comprising this active sense.
    Schlagwort(e): QP1-981 ; Q1-390 ; bats ; Biosonar ; Humans ; marine mammals ; sensory biology ; Birds ; Behavior ; Communication ; thema EDItEUR::M Medicine and Nursing::MF Pre-clinical medicine: basic sciences::MFG Physiology
    Sprache: Englisch
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  • 4
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    Frontiers Media SA
    Publikationsdatum: 2024-03-30
    Beschreibung: In the ancient past, cocoa has been appreciated as a high-calorie food to boost energy in soldiers and for its undefined medicinal and mystical properties. During other times, chocolate has been considered as the forbidden “food of God”: a treasure of pleasure for the mind and the soul. The overall perception of the consumer for chocolate was of a “charming” and appealing food with lots of negative aspects related to high sugar content leading to consider chocolate as “junk food” for its “obesigen” calories. Recently, in association with the renewed interest of nutrition science in alternative source of health-promoting foods and ingredients, a large body of research has been conducted to unravel the pro and cons of cocoa in relation to human health. Epidemiological evidences indicate that cocoa consumption helps preventing cardiovascular disease for its high content in bioactive flavonoids. Clinical trials show that chocolate consumption might improve vascular function, decreasing platelet aggregation and display an antioxidant and anti-inflammatory effect. The putative protective action of cocoa seems to be multi-factorial and involving different aspects of vascular, antioxidant and endothelial function. However, the mechanism(s) that account for the benefits of cocoa it is still unclear. The aim of this Research Topic is therefore to provide the reader with an objective picture of the state of art on the association between cocoa and health, mainly through the evidences of human trials; overwhelmingly considered the golden standard for nutritional science. The Research Topic will cover the analysis of the manufacturing processes of the chocolate and the antioxidant effects in humans as well as the majority of the putative health effects of chocolate and cocoa, such as anti-inflammatory properties, effect on immunity, platelet aggregation, blood pressure, endothelial function and cognitive behavior. Unraveling the functional properties of cocoa will help to understand if the 'food of God' is a primordial gift for the health of mankind.
    Schlagwort(e): R5-920 ; RC581-607 ; TX341-641 ; Antioxidants ; Obesity ; Flavonoids ; Humans ; Chocolate ; Blood pressure ; Inflammation ; Cognitive function ; Cocoa ; Immunity
    Sprache: Englisch
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  • 5
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    Frontiers Media SA
    Publikationsdatum: 2024-04-05
    Beschreibung: This eBook comprises s series of original research and review articles dealing with the anatomical, genetic, and physiological organization of the auditory system from humans to monkeys and mice.
    Schlagwort(e): RC321-571 ; Q1-390 ; audition ; monkeys ; gens ; translational ; Humans ; Rodents ; Memory ; Perception ; Physiology ; functional imaging ; Anatomy ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAN Neurosciences
    Sprache: Englisch
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  • 6
    Publikationsdatum: 2024-04-05
    Beschreibung: The global population aged over 60 is set to rise dramatically in the coming decades. In many countries, the older population now faces the prospect of spending a quarter of their lives aged over 65, and a significant proportion will have to cope with cognitive decline associated with normal ageing or with dementia disorders. Given that these fundamental demographic changes will pose a significant challenge to health care systems, a detailed understanding of age-related cognitive and neurobiological changes is essential in helping elderly populations maintain cognitive performance. In addition, developing sensitive biomarkers to identify those at risk of developing dementia is crucial for early and effective interventions. To make inferences about the ageing process from the animal model back to the human, rigorous behavioral paradigms must be used to ensure that the same function is being examined across species. Given that similar navigational paradigms can easily be applied to humans and animals, recent years have seen an expansion of studies attempting to bridge the gap between age-related changes in animal and human spatial cognition. These studies begin to suggest that disruptions in spatial computations are among the earliest indicators of impending cognitive decline. In addition, although many animal studies have identified pathological mechanisms with paradigms involving spatial navigation, these mechanisms support many nonspatial cognitive functions as well. As a consequence, a successful characterization of how spatial processing changes in the ageing brain could reveal fundamental effects of cognitive ageing that could inform about general mechanisms underlying decline in perception, mnemonic processing and multisensory integration.
    Schlagwort(e): RC321-571 ; Q1-390 ; Neuroscience ; spatial navigation ; Humans ; Aging ; Animal Models ; Dementia ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAN Neurosciences
    Sprache: Englisch
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  • 7
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    Frontiers Media SA
    Publikationsdatum: 2024-04-04
    Beschreibung: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact
    Schlagwort(e): drugs ; Behavior ; Memory tasks ; pre-clinical ; clinical ; Humans ; Animals ; thema EDItEUR::P Mathematics and Science::PD Science: general issues ; thema EDItEUR::M Medicine and Nursing::MK Medical specialties, branches of medicine::MKG Pharmacology
    Sprache: Englisch
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  • 8
    Publikationsdatum: 2022-05-25
    Beschreibung: © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in International Journal of Environmental Research and Public Health 15 (2018): 723, doi:10.3390/ijerph15040723.
    Beschreibung: There has been a massive increase in recent years of the use of lead (Pb) isotopes in attempts to better understand sources and pathways of Pb in the environment and in man or experimental animals. Unfortunately, there have been many cases where the quality of the isotopic data, especially that obtained by quadrupole inductively coupled plasma mass spectrometry (Q-ICP-MS), are questionable, resulting in questionable identification of potential sources, which, in turn, impacts study interpretation and conclusions. We present several cases where the isotopic data have compromised interpretation because of the use of only the major isotopes 208Pb/206Pb and 207Pb/206Pb, or their graphing in other combinations. We also present some examples comparing high precision data from thermal ionization (TIMS) or multi-collector plasma mass spectrometry (MC-ICP-MS) to illustrate the deficiency in the Q-ICP-MS data. In addition, we present cases where Pb isotopic ratios measured on Q-ICP-MS are virtually impossible for terrestrial samples. We also evaluate the Pb isotopic data for rat studies, which had concluded that Pb isotopic fractionation occurs between different organs and suggest that this notion of biological fractionation of Pb as an explanation for isotopic differences is not valid. Overall, the brief review of these case studies shows that Q-ICP-MS as commonly practiced is not a suitable technique for precise and accurate Pb isotopic analysis in the environment and health fields
    Schlagwort(e): Lead isotopes ; ICP-MS ; TIMS ; MC-ICP-MS ; Environment ; Humans ; Rats ; Fractionation
    Repository-Name: Woods Hole Open Access Server
    Materialart: Article
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  • 9
    Publikationsdatum: 2017-01-13
    Beschreibung: Animal-associated microbiotas form complex communities, which play crucial functions for their host, including susceptibility to infections. Despite increasing attention to bats as reservoirs of zoonotic pathogens, their microbiota is poorly documented, especially for samples potentially implicated in pathogen transmission such as urine and saliva. Here, using low-biomass individual samples, we examined the composition and structure of bacterial communities excreted by insectivorous bats, focusing on three body habitats (saliva, urine and faeces). We show that niche specialisation occurs as bacterial community composition was distinct across body habitats with the majority of phylotypes being body habitat specific. Our results suggest that urine harbours more diverse bacterial communities than saliva and faeces and reveal potentially zoonotic bacteria such as Leptospira , Rickettsia , Bartonella and Coxiella in all body habitats. Our study emphasised that, in addition to the traditional use of gut-associated samples such as faeces, both urine and saliva are also of interest because of their diverse microbiota and the potential transmission of pathogenic bacteria. Our results represent a critical baseline for future studies investigating the interactions between microbiota and infection dynamics in bats.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 10
    Publikationsdatum: 2017-01-19
    Beschreibung: R-type bacteriocins are contractile phage tail-like structures that are bactericidal towards related bacterial species. The C-terminal region of the phage tail fiber protein determines target-binding specificity. The mutualistic bacteria Xenorhabdus nematophila and X. bovienii produce R-type bacteriocins (xenorhabdicins) that are selectively active against different Xenorhabdus species. We analyzed the P2-type remnant prophage clusters in draft sequences of nine strains of X. bovienii . The C-terminal tail fiber region in each of the respective strains was unique and consisted of mosaics of modular units. The region between the main tail fiber gene ( xbpH1 ) and the sheath gene ( xbpS1 ) contained a variable number of modules encoding tail fiber fragments. DNA inversion and module exchange between strains was involved in generating tail fiber diversity. Xenorhabdicin-enriched fractions from three different X. bovienii strains isolated from the same nematode species displayed distinct activities against each other. In one set of strains, the strain that produced highly active xenorhabdicin was able to eliminate a sensitive strain. In contrast, xenorhabdicin activity was not a determining factor in the competitive fitness of a second set of strains. These findings suggest that related strains of X. bovienii use xenorhabdicin and additional antagonistic molecules to compete against each other.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 11
    Publikationsdatum: 2017-01-19
    Beschreibung: Anabaena PCC7120 has two annotated toxin–antitoxin systems: MazEF and HicAB. Overexpression of either of the toxins severely inhibited the growth of Escherichia coli BL21(p lysS )(DE3). Of the two Anabaena toxins, MazF exhibited higher toxicity than HicA as evidenced by (i) 100-fold lower viability upon overexpression of MazF compared to HicA; (ii) complete loss of cell viability within 1 h of induction of MazF expression, as against 〉10 3 colony forming units mL –1 in case of HicA; (iii) inability to maintain the MazF overexpressing plasmid in E. coli cells; and (iv) neutralisation of the toxin was effective at the molar ratio of 1:1.9 for MazF:MazE and 13:1 for HicA:HicB, indicating higher antitoxin requirement for neutralisation of MazF. The growth inhibitory effect of MazF was found to be higher in lag phase cultures compared to mid-logarithmic phase cultures of E. coli , while the reverse was true for HicA. The results suggest possible distinct roles for MazEF and HicAB systems of Anabaena .
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 12
    Publikationsdatum: 2016-07-20
    Beschreibung: Four antibiotics (pamamycin, oligomycin A, oligomycin B and echinosporin) were isolated and characterized from the fermentation broth of the marine Streptomyces strains B8496 and B8739. Bioassays revealed that each of these compounds impaired motility and caused subsequent lysis of P. viticola zoospores in a dose- and time-dependent manner. Pamamycin displayed the strongest motility inhibitory and lytic activities (IC 50 0.1 μg mL –1 ) followed by oligomycin B (IC 50 0.15 and 0.2 μg mL –1 ) and oligomycin F (IC 50 0.3 and 0.5 μg mL –1 ). Oligomycin A and echinosporin also showed motility inhibitory activities against the zoospores with IC 50 values of 3.0 and 10.0 μg mL –1 , respectively. This is the first report of motility inhibitory and lytic activities of these antibiotics against zoospores of a phytopathogenic peronosporomycete. Structures of all the isolated compounds were determined based on detailed spectroscopic analysis.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 13
    Publikationsdatum: 2016-07-31
    Beschreibung: In sulfidic environments, microbes oxidize reduced sulfur compounds via several pathways. We used metagenomics to investigate sulfur metabolic pathways from microbial mat communities in two subterranean sulfidic streams in Lower Kane Cave, WY, USA and from Glenwood Hot Springs, CO, USA. Both unassembled and targeted recA gene assembly analyses revealed that these streams were dominated by Epsilonproteobacteria and Gammaproteobacteria , including groups related to Sulfurovum , Sulfurospirillum , Thiothrix and an epsilonproteobacterial group with no close cultured relatives. Genes encoding sulfide:quinone oxidoreductase (SQR) were abundant at all sites, but the specific SQR type and the taxonomic affiliation of each type differed between sites. The abundance of thiosulfate oxidation pathway genes (Sox) was not consistent between sites, although overall they were less abundant than SQR genes. Furthermore, the Sox pathway appeared to be incomplete in all samples. This work reveals both variations in sulfur metabolism within and between taxonomic groups found in these systems, and the presence of novel epsilonproteobacterial groups.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 14
    Publikationsdatum: 2016-07-31
    Beschreibung: Pseudomonas aeruginosa is an opportunistic pathogen with high resistance to a wide variety of antimicrobials. The multidrug resistance pump MexAB-OprM promotes the efflux of various antibiotics, mostly when mutations accumulate in the transcriptional regulators MexR, NalC and NalD, thereby causing MexAB-OprM overexpression. In this work, a characterization of 50 P. aeruginosa isolates obtained from Brazilian agricultural soils to determine the reasons of their resistance to aztreonam was done. The majority of the isolates showed higher aztreonam resistance than wild-type strain by MIC method. DNA sequence analysis of mexR , nalC and nalD genes from 13 of these isolates showed the amino acid substitution in NalC for all tested isolates, just one mutation was detected in MexR and none in NalD. Furthermore, an increase in the level of mexA expression by real-time RT-PCR analysis in eight isolates harboring mutations in NalC was found. Although there was not a relationship between MIC of aztreonam and the level of mexA expression, on the other hand, the results presented here suggest that novel mutations in NalC, including Arg 97 -Gly and Ala 186 -Thr, are related to MexAB-OprM overexpression causing aztreonam resistance in P. aeruginosa environmental isolates.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 15
    Publikationsdatum: 2016-07-31
    Beschreibung: Sedge-dominated wetlands on the Qinghai–Tibetan Plateau are methane emission centers. Methanotrophs at these sites play a role in reducing methane emissions, but relatively little is known about the composition of active methanotrophs in these wetlands. Here, we used DNA stable isotope probing to identify the key active aerobic methanotrophs in three sedge-dominated wetlands on the plateau. We found that Methylocystis species were active in two peatlands, Hongyuan and Dangxiong. Methylobacter species were found to be active only in Dangxiong peat. Hongyuan peat had the highest methane oxidation rate, and cross-feeding of carbon from methanotrophs to methylotrophic Hyphomicrobium species was observed. Owing to a low methane oxidation rate during the incubation, the labeling of methanotrophs in Maduo wetland samples was not detected. Our results indicate that there are large differences in the activity of methanotrophs in the wetlands of this region.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 16
    Publikationsdatum: 2016-08-05
    Beschreibung: Here we present the generation and function of two sets of bacterial plasmids that harbor fluorescent genes encoding either blue, cyan, yellow or red fluorescent proteins. In the first set, protein expression is controlled by the strong and constitutive nptII promoter whereas in the second set, the strong tac promoter was chosen that underlies LacI q regulation. Furthermore, the plasmids are mobilizable, contain Tn 7 transposons and a temperature-sensitive origin of replication. Using Escherichia coli S17-1 as donor strain, the plasmids allow fast and convenient Tn 7 -transposon delivery into many enterobacterial hosts, such as the here-used E. coli O157:H7. This procedure omits the need of preparing competent recipient cells and antibiotic resistances are only transiently conferred to the recipients. As the fluorescence proteins show little to no overlap in fluorescence emission, the constructs are well suited for the study of multicolored synthetic bacterial communities during biofilm production or in host colonization studies, e.g. of plant surfaces. Furthermore, tac promoter-reporter constructs allow the generation of so-called reproductive success reporters, which allow to estimate past doublings of bacterial individuals after introduction into environments, emphasizing the role of individual cells during colonization.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 17
    Publikationsdatum: 2016-06-23
    Beschreibung: Spa -typing and microarray techniques were used to study epidemiological changes in methicillin-resistant Staphylococcus aureus (MRSA) in South-East Austria. The population structure of 327 MRSA isolated between 2002 and 2012 was investigated. MRSA was assigned to 58 different spa types and 14 different MLST CC (multilocus sequence type clonal complexes); in particular, between 2007 and 2012, an increasing diversity in MRSA clones could be observed. The most abundant clonal complex was CC5. On the respective SCC mec cassettes, the CC5 isolates differed clearly within this decade and CC5/SCC mec I, the South German MRSA, predominant in 2002, was replaced by CC5/SCC mec II, the Rhine-Hesse MRSA in 2012. Whereas in many European countries MLST CC22-MRSA (EMRSA 15, the Barnim epidemic MRSA) is predominant, this clone occurred in Austria nearly 10 years later than in neighbouring countries. CC45, the Berlin EMRSA, epidemic in Germany, was only sporadically found in South-East Austria. The Irish ST8-MRSA-II represented by spa -type t190 was frequently found in 2002 and 2007, but disappeared in 2012. Our results demonstrate clonal replacement of MRSA clones within the last years in Austria. Ongoing surveillance is warranted for detection of changes within the MRSA population.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 18
    Publikationsdatum: 2016-06-23
    Beschreibung: This study aimed to investigate the effects of dietary fibre sources on the gut microbiota in suckling piglets, and to test the hypothesis that a moderate increase of dietary fibre may affect the gut microbiota during the suckling period. Suckling piglets were fed different fibre-containing diets or a control diet from postnatal day 7 to 22. Digesta samples from cecum, proximal colon and distal colon were used for Pig Intestinal Tract Chip analysis. The data showed that the effects of fibre-containing diet on the gut microbiota differed in the fibre source and gut location. The alfalfa diet increased Clostridium cluster XIVb and Sporobacter termitidis in the cecum compared to the pure cellulose diet. Compared to the control diet, the alfalfa diet also increased Coprococcus eutactus in the distal colon, while the pure cellulose diet decreased Eubacterium pyruvativorans in the cecum. The pure cellulose diet increased Prevotella ruminicola compared to the wheat bran diet. Interestingly, the alfalfa group had the lowest abundance of the potential pathogen Streptococcus suis in the cecum and distal colon. These results indicated that a moderate increase in dietary fibres affected the microbial composition in suckling piglets, and that the alfalfa inclusion produced some beneficial effects on the microbial communities.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 19
    Publikationsdatum: 2016-06-23
    Beschreibung: One function of the gut microbiota gaining recent attention, especially in herbivorous mammals and insects, is the metabolism of plant secondary metabolites (PSMs). We investigated whether this function exists within the gut communities of a specialist avian herbivore. We sequenced the cecal metagenome of the Greater Sage-Grouse ( Centrocercus urophasianus ), which specializes on chemically defended sagebrush ( Artemisia spp.). We predicted that the cecal metagenome of the sage-grouse would be enriched in genes associated with the metabolism of PSMs when compared to the metagenome of the domestic chicken. We found that representation of microbial genes associated with ‘xenobiotic degradation and metabolism’ was 3-fold higher in the sage-grouse cecal metagenomes when compared to that of the domestic chicken. Further, we identified a complete metabolic pathway for the degradation of phenol to pyruvate, which was not detected in the metagenomes of the domestic chicken, bovine rumen or 14 species of mammalian herbivores. Evidence of monoterpene degradation (a major class of PSMs in sagebrush) was less definitive, although we did detect genes for several enzymes associated with this process. Overall, our results suggest that the gut microbiota of specialist avian herbivores plays a similar role to the microbiota of mammalian and insect herbivores in degrading PSMs.
    Schlagwort(e): Environmental Microbiology
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    Thema: Biologie
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  • 20
    Publikationsdatum: 2016-06-23
    Beschreibung: Intracellular endosymbiotic bacteria are common and can play a crucial role for insect pathology. Therefore, such bacteria could be a potential key to our understanding of major losses of Western honey bees ( Apis mellifera ) colonies. However, the transmission and potential effects of endosymbiotic bacteria in A. mellifera and other Apis spp. are poorly understood. Here, we explore the prevalence and transmission of the genera Arsenophonus , Wolbachia , Spiroplasma and Rickettsia in Apis spp. Colonies of A. mellifera ( N = 33, with 20 eggs from worker brood cells and 100 adult workers each) as well as mated honey bee queens of A. cerana , A. dorsata and A. florea ( N = 12 each) were screened using PCR. While Wolbachia , Spiroplasma and Rickettsia were not detected, Arsenophonus spp. were found in 24.2% of A. mellifera colonies and respective queens as well as in queens of A. dorsata (8.3%) and A. florea (8.3%), but not in A. cerana . The absence of Arsenophonus spp. from reproductive organs of A. mellifera queens and surface-sterilized eggs does not support transovarial vertical transmission. Instead, horizontal transmission is most likely.
    Schlagwort(e): Environmental Microbiology
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  • 21
    Publikationsdatum: 2016-05-12
    Beschreibung: Wood-rotting fungi possess remarkably diverse extracellular oxidation mechanisms, including enzymes, such as laccase and peroxidases, and Fenton chemistry. The ability to biologically drive Fenton chemistry by the redox cycling of quinones has previously been reported to be present in both ecologically diverging main groups of wood-rotting basidiomycetes. Therefore, we investigated whether it is even more widespread among fungal organisms. Screening of a diverse selection of a total of 18 ascomycetes and basidiomycetes for reduction of the model compound 2,6-dimethoxy benzoquinone revealed that all investigated strains were capable of reducing it to its corresponding hydroquinone. In a second step, depolymerization of the synthetic polymer polystyrene sulfonate was used as a proxy for quinone-dependent Fenton-based biodegradation capabilities. A diverse subset of the strains, including environmentally ubiquitous molds, white-rot fungi, as well as peatland and aquatic isolates, caused substantial depolymerization indicative for the effective employment of quinone redox cycling as biodegradation tool. Our results may also open up new paths to utilize diverse fungi for the bioremediation of recalcitrant organic pollutants.
    Schlagwort(e): Environmental Microbiology
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  • 22
    Publikationsdatum: 2016-05-12
    Beschreibung: Ice-binding proteins (IBPs), such as antifreeze proteins (AFPs) and ice-nucleating proteins (INPs), have been described in diverse cold-adapted organisms, and their potential applications in biotechnology have been recognized in various fields. Currently, both IBPs are being applied to biotechnological processes, primarily in medicine and the food industry. However, our knowledge regarding the diversity of bacterial IBPs is limited; few studies have purified and characterized AFPs and INPs from bacteria. Phenotypically verified IBPs have been described in members belonging to Gammaproteobacteria, Actinobacteria and Flavobacteriia classes, whereas putative IBPs have been found in Gammaproteobacteria, Alphaproteobacteria and Bacilli classes. Thus, the main goal of this minireview is to summarize the current information on bacterial IBPs and their application in biotechnology, emphasizing the potential application in less explored fields such as agriculture. Investigations have suggested the use of INP-producing bacteria antagonists and AFPs-producing bacteria (or their AFPs) as a very attractive strategy to prevent frost damages in crops. UniProt database analyses of reported IBPs (phenotypically verified) and putative IBPs also show the limited information available on bacterial IBPs and indicate that major studies are required.
    Schlagwort(e): Environmental Microbiology
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  • 23
    Publikationsdatum: 2016-05-12
    Beschreibung: Triazophos is a broad-spectrum and highly effective insecticide, and the residues of triazophos have been frequently detected in the environment. A triazophos-degrading bacterium, Burkholderia sp. SZL-1, was isolated from a long-term triazophos-polluted soil. Strain SZL-1 could hydrolyze triazophos to 1-phenyl-3-hydroxy-1,2,4-triazole, which was further utilized as the carbon sources for growth. The triazophos hydrolase gene trhA , cloned from strain SZL-1, was expressed and homogenously purified using Ni-nitrilotriacetic acid affinity chromatography. TrhA is 55 kDa and displays maximum activity at 25°C, pH 8.0. This enzyme still has nearly 60% activity at the range of 15°C–50°C for 30 min. TrhA was mutated by sequential error prone PCR and screened for improved activity for triazophos degradation. One purified variant protein (Val89-Gly89) named TrhA-M1 showed up to 3-fold improvement in specific activity against triazophos, and the specificity constants of K cat and K cat / K m for TrhA-M1 were improved up to 2.3- and 8.28-fold, respectively, compared to the wild-type enzyme. The results in this paper provided potential material for the contaminated soil remediation and hydrolase genetic structure research.
    Schlagwort(e): Environmental Microbiology
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  • 24
    Publikationsdatum: 2016-05-12
    Beschreibung: The metal mining industry faces many large challenges in future years, among which is the increasing need to process low-grade ores as accessible higher grade ores become depleted. This is against a backdrop of increasing global demands for base and precious metals, and rare earth elements. Typically about 99% of solid material hauled to, and ground at, the land surface currently ends up as waste (rock dumps and mineral tailings). Exposure of these to air and water frequently leads to the formation of acidic, metal-contaminated run-off waters, referred to as acid mine drainage, which constitutes a severe threat to the environment. Formation of acid drainage is a natural phenomenon involving various species of lithotrophic (literally ‘rock-eating’) bacteria and archaea, which oxidize reduced forms of iron and/or sulfur. However, other microorganisms that reduce inorganic sulfur compounds can essentially reverse this process. These microorganisms can be applied on industrial scale to precipitate metals from industrial mineral leachates and acid mine drainage streams, resulting in a net improvement in metal recovery, while minimizing the amounts of leachable metals to the tailings storage dams. Here, we advocate that more extensive exploitation of microorganisms in metal mining operations could be an important way to green up the industry, reducing environmental risks and improving the efficiency and the economy of metal recovery.
    Schlagwort(e): Environmental Microbiology
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  • 25
    Publikationsdatum: 2016-04-01
    Beschreibung: Differential inhibitors are important for measuring the relative contributions of microbial groups, such as ammonia-oxidizing bacteria (AOB) and ammonia-oxidizing archaea (AOA), to biogeochemical processes in environmental samples. In particular, 2-phenyl-4,4,5,5-tetramethylimidazoline-1-oxyl 3-oxide (PTIO) represents a nitric oxide scavenger used for the specific inhibition of AOA, implicating nitric oxide as an intermediate of thaumarchaeotal ammonia oxidation. This study investigated four alternative nitric oxide scavengers for their ability to differentially inhibit AOA and AOB in comparison to PTIO. Caffeic acid, curcumin, methylene blue hydrate and trolox were tested on Nitrosopumilus maritimus , two unpublished AOA representatives (AOA-6f and AOA-G6) as well as the AOB representative Nitrosomonas europaea . All four scavengers inhibited ammonia oxidation by AOA at lower concentrations than for AOB. In particular, differential inhibition of AOA and AOB by caffeic acid (100 μM) and methylene blue hydrate (3 μM) was comparable to carboxy-PTIO (100 μM) in pure and enrichment culture incubations. However, when added to aquarium sponge biofilm microcosms, both scavengers were unable to inhibit ammonia oxidation consistently, likely due to degradation of the inhibitors themselves. This study provides evidence that a variety of nitric oxide scavengers result in differential inhibition of ammonia oxidation in AOA and AOB, and provides support to the proposed role of nitric oxide as a key intermediate in the thaumarchaeotal ammonia oxidation pathway.
    Schlagwort(e): Environmental Microbiology
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  • 26
    Publikationsdatum: 2016-07-02
    Beschreibung: Peatlands of all latitudes play an integral role in global climate change by serving as a carbon sink and a primary source of atmospheric methane; however, the microbial ecology of mid-latitude peatlands is vastly understudied. Herein, next generation Illumina amplicon sequencing of small subunit rRNA genes was utilized to elucidate the microbial communities in three southern Appalachian peatlands. In contrast to northern peatlands, Proteobacteria dominated over Acidobacteria in all three sites. An average of 11 bacterial phyla was detected at relative abundance values 〉1%, with three candidate divisions (OP3, WS3 and NC10) represented, indicating high phylogenetic diversity. Physiological traits of isolates within the candidate alphaproteobacterial order, Ellin 329, obtained here and in previous studies indicate that bacteria of this order may be involved in hydrolysis of poly-, di- and monosaccharides. Community analyses indicate that Ellin 329 is the third most abundant order and is most abundant near the surface layers where plant litter decomposition should be primarily occurring. In sum, members of Ellin 329 likely play important roles in organic matter decomposition, in southern Appalachian peatlands and should be investigated further in other peatlands and ecosystem types.
    Schlagwort(e): Environmental Microbiology
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  • 27
    Publikationsdatum: 2016-07-02
    Beschreibung: Marine viruses are the most abundant biological entity in the oceans, the majority of which infect bacteria and are known as bacteriophages. Yet, the bulk of bacteriophages form part of the vast uncultured dark matter of the microbial biosphere. In spite of the paucity of cultured marine bacteriophages, it is known that marine bacteriophages have major impacts on microbial population structure and the biogeochemical cycling of key elements. Despite the ecological relevance of marine bacteriophages, there are relatively few isolates with complete genome sequences. This minireview focuses on knowledge gathered from these genomes put in the context of viral metagenomic data and highlights key advances in the field, particularly focusing on genome structure and auxiliary metabolic genes.
    Schlagwort(e): Environmental Microbiology
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  • 28
    Publikationsdatum: 2016-07-02
    Beschreibung: The fynbos biome in South Africa is globally recognised as a plant biodiversity hotspot. However, very little is known about the bacterial communities associated with fynbos plants, despite interactions between primary producers and bacteria having an impact on the physiology of both partners and shaping ecosystem diversity. This study reports on the structure, phylogenetic composition and potential roles of the endophytic bacterial communities located in the stems of three fynbos plants ( Erepsia anceps , Phaenocoma prolifera and Leucadendron laureolum ). Using Illumina MiSeq 16S rRNA sequencing we found that different subpopulations of Deinococcus-Thermus, Alphaproteobacteria, Acidobacteria and Firmicutes dominated the endophytic bacterial communities. Alphaproteobacteria and Actinobacteria were prevalent in P. prolifera , whereas Deinococcus-Thermus dominated in L. laureolum , revealing species-specific host–bacteria associations. Although a high degree of variability in the endophytic bacterial communities within hosts was observed, we also detected a core microbiome across the stems of the three plant species, which accounted for 72% of the sequences. Altogether, it seems that both deterministic and stochastic processes shaped microbial communities. Endophytic bacterial communities harboured putative plant growth-promoting bacteria, thus having the potential to influence host health and growth.
    Schlagwort(e): Environmental Microbiology
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  • 29
    Publikationsdatum: 2016-07-03
    Beschreibung: The functioning of many natural and engineered environments is dependent on long distance electron transfer mediated through electrical currents. These currents have been observed in exoelectrogenic biofilms and it has been proposed that microbial biofilms can mediate electron transfer via electrical currents on the centimeter scale. However, direct evidence to confirm this hypothesis has not been demonstrated and the longest known electrical transfer distance for single species exoelectrogenic biofilms is limited to 100 μm. In the present study, biofilms were developed on electrodes with electrically non-conductive gaps from 50 μm to 1 mm and the in situ conductance of biofilms was evaluated over time. Results demonstrated that the exoelectrogenic mixed species biofilms in the present study possess the ability to transfer electrons through electrical currents over a distance of up to 1 mm, 10 times further than previously observed. Results indicate the possibility of interspecies interactions playing an important role in the spatial development of exoelectrogenic biofilms, suggesting that these biological networks might remain conductive even at longer distance. These findings have significant implications in regards to future optimization of microbial electrochemical systems.
    Schlagwort(e): Environmental Microbiology
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  • 30
    Publikationsdatum: 2016-08-28
    Beschreibung: Bacteriophages are increasingly being used as water quality indicators. Two groups of phages infecting Escherichia coli , somatic and F-specific coliphages, are being considered as indicators of fecal and viral contamination for several types of water around the world. However, some uncertainties remain regarding which coliphages to assess. Recently, E. coli strain CB390 has been reported to be suitable for simultaneous detection of both groups, which seems to be more informative than determining only one of the groups. Here, a significant number of samples from different settings, mostly those where F-specific phages have been reported to outnumber somatic coliphages, are analyzed for somatic coliphages, F-specific RNA phages by standardized methods and coliphages detected by host strain CB390. The results presented here confirm that the numbers of phages counted using CB390 are equivalent to the sum of the somatic and F-specific coliphages counted independently in all settings. Hence the usefulness of this strain for simultaneous detection of somatic and F-specific coliphages is confirmed. Also, sets of data on the presence of coliphages in reclaimed and groundwater are reported.
    Schlagwort(e): Environmental Microbiology
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  • 31
    Publikationsdatum: 2016-06-04
    Beschreibung: It is well known that Methylosinus trichosporium OB3b has two forms of methane monooxygenase (MMO) responsible for the initial conversion of methane to methanol, a cytoplasmic (soluble) methane monooxygenase and a membrane-associated (particulate) methane monooxygenase, and that copper strongly regulates expression of these alternative forms of MMO. More recently, it has been discovered that M. trichosporium OB3b has multiple types of the methanol dehydrogenase (MeDH), i.e. the Mxa-type MeDH (Mxa-MeDH) and Xox-type MeDH (Xox-MeDH), and the expression of these two forms is regulated by the availability of the rare earth element (REE), cerium. Here, we extend these studies and show that lanthanum, praseodymium, neodymium and samarium also regulate expression of alternative forms of MeDH. The effect of these REEs on MeDH expression, however, was only observed in the absence of copper. Further, a mutant of M. trichosporium OB3b, where the Mxa-MeDH was knocked out, was able to grow in the presence of lanthanum, praseodymium and neodymium, but was not able to grow in the presence of samarium. Collectively, these data suggest that multiple levels of gene regulation by metals exist in M. trichosporium OB3b, but that copper overrides the effect of other metals by an as yet unknown mechanism.
    Schlagwort(e): Environmental Microbiology
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  • 32
    facet.materialart.
    Unbekannt
    Oxford University Press
    Publikationsdatum: 2016-05-12
    Beschreibung: Polysulfides (S x 2– ) are sulfide oxidation intermediates that are important for a variety of environmentally relevant processes including pyrite formation, organic matter sulfidization, isotope exchange among reduced sulfur species, and metal chelation. In addition to their chemical reactivity, laboratory experiments with microbial cultures and enzymes indicate both indirect and direct roles for microorganisms in affecting polysulfide chemistry in natural environments through production and consumption. As polysulfides have been detected in a wide array of natural systems ranging from microbial mats to hydrothermal vents, constraining their biogeochemical cycling has broad impacts. However, many questions remain regarding the processes responsible for polysulfide dynamics in these environments and the precise role that microorganisms play in these processes. This review provides a summary of laboratory experiments investigating the role of polysulfides in microbial metabolism, and observations of polysulfides in the environment in order to provide further insight into and highlight open questions about this significant component of the sulfur cycle.
    Schlagwort(e): Environmental Microbiology
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  • 33
    Publikationsdatum: 2016-02-20
    Beschreibung: A total of 65 spore-forming mercury-resistant bacteria were isolated from natural environments worldwide in order to understand the acquisition of additional genes by and dissemination of mercury resistance transposons across related Bacilli genera by horizontal gene movement. PCR amplification using a single primer complementary to the inverted repeat sequence of Tn MERI1 -like transposons showed that 12 of 65 isolates had a transposon-like structure. There were four types of amplified fragments: Tn 5084 , Tn 5085 , Tn d MER3 (a newly identified deleted transposon-like fragment) and Tn 6294 (a newly identified transposon). Tn d MER3 is a 3.5-kb sequence that carries a merRETPA operon with no merB or transposase genes. It is related to the mer operon of Bacillus licheniformis strain FA6-12 from Russia. DNA homology analysis shows that Tn 6294 is an 8.5-kb sequence that is possibly derived from Tn d MER3 by integration of a Tn MERI1 -type transposase and resolvase genes and in addition the merR2 and merB1 genes. Bacteria harboring Tn 6294 exhibited broad-spectrum mercury resistance to organomercurial compounds, although Tn 6294 had only merB1 and did not have the merB2 and merB3 sequences for organomercurial lyases found in Tn 5084 of B. cereus strain RC607. Strains with Tn 6294 encode mercuric reductase (MerA) of less than 600 amino acids in length with a single N-terminal mercury-binding domain, whereas MerA encoded by strains MB1 and RC607 has two tandem domains. Thus, Tn d MER3 and Tn 6294 are shorter prototypes for Tn MERI1 -like transposons. Identification of Tn 6294 in Bacillus sp. from Taiwan and in Paenibacillus sp. from Antarctica indicates the wide horizontal dissemination of Tn MERI1 -like transposons across bacterial species and geographical barriers.
    Schlagwort(e): Environmental Microbiology
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  • 34
    Publikationsdatum: 2016-02-07
    Beschreibung: Fungi may play an important role in the production of the greenhouse gas nitrous oxide (N 2 O). Bipolaris sorokiniana is a ubiquitous saprobe found in soils worldwide, yet denitrification by this fungal strain has not previously been reported. We aimed to test if B. sorokiniana would produce N 2 O and CO 2 in the presence of organic and inorganic forms of nitrogen (N) under microaerobic and anaerobic conditions. Nitrogen source (organic-N, inorganic-N, no-N control) significantly affected N 2 O and CO 2 production both in the presence and absence of oxygen, which contrasts with bacterial denitrification. Inorganic N addition increased denitrification of N 2 O (from 0 to 0.3 μg N 2 0-N h –1  g –1 biomass) and reduced respiration of CO 2 (from 0.1 to 0.02 mg CO 2 h –1  g –1 biomass). Isotope analyses indicated that nitrite, rather than ammonium or glutamine, was transformed to N 2 O. Results suggest the source of N may play a larger role in fungal N 2 O production than oxygen status.
    Schlagwort(e): Environmental Microbiology
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  • 35
    Publikationsdatum: 2016-02-20
    Beschreibung: Legionella pneumophila is a pathogenic bacterium commonly found in water and responsible for severe pneumonia. Free-living amoebae are protozoa also found in water, which feed on bacteria by phagocytosis. Under favorable conditions, some L. pneumophila are able to resist phagocytic digestion and even multiply within amoebae. However, it is not clear whether L. pneumophila could infect at a same rate a large range of amoebae or if there is some selectivity towards specific amoebal genera or strains. Also, most studies have been performed using collection strains and not with freshly isolated strains. In our study, we assess the permissiveness of freshly isolated environmental strains of amoebae, belonging to three common genera (i.e. Acanthamoeba, Naegleria and Vermamoeba ), for growth of L. pneumophila at three different temperatures. Our results indicated that all the tested strains of amoebae were permissive to L. pneumophila Lens and that there was no significant difference between the strains. Intracellular proliferation was more efficient at a temperature of 40°C. In conclusion, our work suggests that, under favorable conditions, virulent strains of L. pneumophila could equally infect a large number of isolates of common freshwater amoeba genera.
    Schlagwort(e): Environmental Microbiology
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  • 36
    Publikationsdatum: 2016-04-24
    Beschreibung: Growth media have been developed to facilitate the enrichment and isolation of acidophilic and acid-tolerant sulfate-reducing bacteria (aSRB) from environmental and industrial samples, and to allow their cultivation in vitro . The main features of the ‘standard’ solid and liquid devised media are as follows: (i) use of glycerol rather than an aliphatic acid as electron donor; (ii) inclusion of stoichiometric concentrations of zinc ions to both buffer pH and to convert potentially harmful hydrogen sulphide produced by the aSRB to insoluble zinc sulphide; (iii) inclusion of Acidocella aromatica (an heterotrophic acidophile that does not metabolize glycerol or yeast extract) in the gel underlayer of double layered (overlay) solid media, to remove acetic acid produced by aSRB that incompletely oxidize glycerol and also aliphatic acids (mostly pyruvic) released by acid hydrolysis of the gelling agent used (agarose). Colonies of aSRB are readily distinguished from those of other anaerobes due to their deposition and accumulation of metal sulphide precipitates. Data presented illustrate the effectiveness of the overlay solid media described for isolating aSRB from acidic anaerobic sediments and low pH sulfidogenic bioreactors.
    Schlagwort(e): Environmental Microbiology
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  • 37
    Publikationsdatum: 2016-03-13
    Beschreibung: A common dye of prussian blue (PB) as an indicator was used to develop a colorimetric method for detecting the efficacy of the antibiotics in vitro. Considering the electronic production capacity of microbial respiration, ferricyanide was employed in transferring electrons from target microorganism of Escherichia coli ( E. coli ) to produce ferrocyanide. Subsequently, ferrocyanide reacted with ferric ions to form PB. In view of relationship between the PB yield and the bacterial activity, the efficacy of the antibiotics on E. coli was directly detected at 700 nm of PB absorption. When the 5% activity of antibiotics on 20 isolates of E. coli was quantified as 5% efficacy, the applied concentrations of eight antibiotics, such as cefepime, ceftriaxone sodium, cefoperazone sodium, piperacillin sodium, amoxicillin, gentamicin, amikacin and levofloxacin were 2, 2, 4, 4, 10, 4, 8 and 8 μg mL –1 , respectively. To compare with minimum inhibitory concentration results obtained by Clinical and Laboratory Standards Institute broth macrodilution method, the results of PB methods showed good agreements except with gentamicin. Paired t- test result ( P ) also showed that difference between two methods was statistically significant ( P = 0.006).
    Schlagwort(e): Environmental Microbiology
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  • 38
    Publikationsdatum: 2016-03-04
    Beschreibung: Metarhizium acridum is an entomopathogenic fungus commonly used as a bioinsecticide. The conidium is the fungal stage normally employed as field inoculum in biological control programs and must survive under field conditions such as high ultraviolet-B (UV-B) exposure. Light, which is an important stimulus for many fungi, has been shown to induce the production of M. robertsii conidia with increased stress tolerance. Here we show that a two-hour exposure to white or blue/UV-A light of fast-growing mycelium induces tolerance to subsequent UV-B irradiation. Red light, however, does not have the same effect. In addition, we established that this induction can take place with as little as 1 min of white-light exposure. This brief illumination scheme could be relevant in future studies of M. acridum photobiology and for the production of UV-B resistant mycelium used in mycelium-based formulations for biological control.
    Schlagwort(e): Environmental Microbiology
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  • 39
    Publikationsdatum: 2016-03-04
    Beschreibung: Photorhabdus (Enterobacteriaceae) bacteria are pathogenic to insects and mutualistic with entomopathogenic Heterorhabditis nematodes . Photorhabdus luminescens subsp. akhurstii LN2, associated with Heterorhabditis indica LN2, shows nematicidal activity against H. bacteriophora H06 infective juveniles (IJs). In the present study, an rpoS mutant of P. luminescens LN2 was generated through allelic exchange to examine the effects of rpoS deletion on the nematicidal activity and nematode development. The results showed that P. luminescens LN2 required rpoS for nematicidal activity against H06 nematodes, normal IJ recovery and development of H. indica LN2, however, not for the bacterial colonization in LN2 and H06 IJs. This provides cues for further understanding the role of rpoS in the mutualistic association between entomopathogenic nematodes and their symbionts.
    Schlagwort(e): Environmental Microbiology
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  • 40
    Publikationsdatum: 2016-05-05
    Beschreibung: Catechol 2, 3-dioxygenase (C23O) is the key enzyme for aerobic aromatic degradation. Based on clone libraries and quantitative real-time polymerase chain reaction, we characterized diversity and distribution patterns of C23O genes in surface sediments of the Bohai Sea. The results showed that sediments of the Bohai Sea were dominated by genes related to C23O subfamily I.2.A. The samples from wastewater discharge area (DG) and aquaculture farm (KL) showed distinct composition of C23O genes when compared to the samples from Bohai Bay (BH), and total organic carbon was a crucial determinant accounted for the composition variation. C6BH12-38 and C2BH2-35 displayed the highest gene copies and highest ratios to the 16S rRNA genes in KL, and they might prefer biologically labile aromatic hydrocarbons via aquaculture inputs. Meanwhile, C7BH3-48 showed the highest gene copies and highest ratios to the 16S rRNA genes in DG, and this could be selective effect of organic loadings from wastewater discharge. An evident increase in C6BH12-38 and C7BH3-48 gene copies and reduction in diversity of C23O genes in DG and KL indicated composition perturbations of C23O genes and potential loss in functional redundancy. We suggest that ecological habitat and trophic specificity could shape the distribution of C23O genes in the Bohai Sea sediments.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 41
    Publikationsdatum: 2016-05-20
    Beschreibung: LysR-type transcriptional regulators (LTTRs) regulate various cellular processes in bacteria. pnpR is an LTTR-encoding gene involved in the regulation of hydroquinone (HQ) degradation, and its effects on the cellular processes of Pseudomonas putida DLL-E4 were investigated at the physiological, biochemical and molecular levels. Reverse transcription polymerase chain reaction revealed that pnpR positively regulated its own expression and that of the pnpC1C2DECX1X2 operon; additionally, pnpR partially regulated the expression of pnpA when P. putida was grown on para -nitrophenol (PNP) or HQ. Strains DLL-E4 and DLL- pnpR exhibited similar cellular morphologies and growth rates. Transcriptome analysis revealed that pnpR regulated the expression of genes in addition to those involved in PNP degradation. A total of 20 genes were upregulated and 19 genes were downregulated by at least 2-fold in strain DLL- pnpR relative to strain DLL-E4. Bioinformatic analysis revealed putative PnpR-binding sites located in the upstream regions of genes involved in PNP degradation, carbon catabolite repression and other cellular processes. The utilization of L-aspartic acid, L-histidine, L-pyroglutamic acid, L-serine, -aminobutyric acid, D,L-lactic acid, D-saccharic acid, succinic acid and L-alaninamide was increased at least 1.3-fold in strain DLL- pnpR as shown by BIOLOG assays, indicating that pnpR plays a potential negative regulation role in the utilization of carbon sources.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 42
    Publikationsdatum: 2016-04-20
    Beschreibung: Landfills are significant global sources of atmospheric methane, but little is known about the ecology and community structure of methanogens in these sites. Here, we investigated the methanogen community based on methyl coenzyme M reductase A gene amplicons in the vertical profiles of three different sites at a municipal landfill complex in China. Links between methanogen communities and refuse properties were explored using multivariate analysis. Clone library results showed that most clones (92%) were related to the hydrogenotrophic methanogens, Methanomicrobiales. Almost all of the Methanomicrobiales clones retrieved in this study are members of the genus Methanoculleus . Eight clones were affiliated with the genus Methanofollis . The remaining clones were clustered within the genus Methanosarcina . Terminal restriction fragment length polymorphism profiles showed that the landfill was predominated by 22 taxa, making up 69%–96% of the community. Of these, a single taxon comprised 36%–65% of the communities across all sites and depths. Principal components analysis separated the methanogen community into three groups, irrespective of site or depth. Redundancy analysis suggested that total phosphorus and pH play roles in structuring methanogen communities in landfills.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
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    Thema: Biologie
    Publiziert von Oxford University Press
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  • 43
    Publikationsdatum: 2016-02-12
    Beschreibung: Here we report a newly identified ‘Chalky back’ phenomenon in banana prawns ( Fenneropenaeus merguiensis ) farmed in North Queensland, Australia. This was characterized by localized white discoloured segmentation of the cervical groove, moreover, after cooking the prawns exploded, making them unfit for commercial sale. Histological examination revealed breakdown of gut and abdominal muscle tissue in some moribund specimens. We selectively isolated Vibrio spp., which are known prawn pathogens, from healthy and Chalky back specimens. Isolated bacteria were identified, typed and tested for the presence of eight virulence genes (VGs), biofilm formation, adherence and cytotoxicity to fish cells. In all, 32 isolates were recovered and identified as Vibrio harveyi , V. owensii , V. sinaloensis -like, V. campbellii , V. shilonii , Vibrio sp. and Photobacterium damselae using 16S rRNA gene sequencing. All V. harveyi carried VGs coding for haemolysin, tox R and flagella; formed biofilm; and adhered to both cell lines. This was similar to the V. sinaloensis -like strains that were only isolated from Chalky back specimens. Our data suggest that Vibrio spp. may play a role in the pathogenesis of Chalky back. This study is the first report of Chalky back phenomenon in farmed banana prawns that needs to be closely monitored by the industry.
    Schlagwort(e): Environmental Microbiology
    Print ISSN: 0378-1097
    Digitale ISSN: 1574-6968
    Thema: Biologie
    Publiziert von Oxford University Press
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  • 44
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Haddad, Nick M -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1166-7. doi: 10.1126/science.aad5072.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Applied Ecology, North Carolina State University, Raleigh, NC 27695, USA. nick_haddad@ncsu.ed.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785459" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Brazil ; *Conservation of Natural Resources ; Humans ; *Transportation
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 45
    Publikationsdatum: 2016-01-20
    Beschreibung: Telomeres are the protective end-complexes at the termini of eukaryotic chromosomes. Telomere attrition can lead to potentially maladaptive cellular changes, block cell division, and interfere with tissue replenishment. Recent advances in the understanding of human disease processes have clarified the roles of telomere biology, especially in diseases of human aging and in some aging-related processes. Greater overall telomere attrition predicts mortality and aging-related diseases in inherited telomere syndrome patients, and also in general human cohorts. However, genetically caused variations in telomere maintenance either raise or lower risks and progression of cancers, in a highly cancer type-specific fashion. Telomere maintenance is determined by genetic factors and is also cumulatively shaped by nongenetic influences throughout human life; both can interact. These and other recent findings highlight both causal and potentiating roles for telomere attrition in human diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Blackburn, Elizabeth H -- Epel, Elissa S -- Lin, Jue -- CA096840/CA/NCI NIH HHS/ -- GM026259/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1193-8. doi: 10.1126/science.aab3389.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94143, USA. elizabeth.blackburn@ucsf.edu. ; Department of Psychiatry, University of California, San Francisco, CA 94143, USA. ; Department of Biochemistry and Biophysics, University of California, San Francisco, CA 94143, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785477" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/*genetics ; Cell Division/genetics ; Disease/*genetics ; *Genetic Predisposition to Disease ; Humans ; Life Style ; Neoplasms/genetics ; Stress, Physiological ; Telomerase/metabolism ; Telomere/chemistry/*physiology/ultrastructure ; Telomere Homeostasis/*genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 46
    Publikationsdatum: 2016-01-20
    Beschreibung: Massive open online courses (MOOCs) are often characterized as remedies to educational disparities related to social class. Using data from 68 MOOCs offered by Harvard and MIT between 2012 and 2014, we found that course participants from the United States tended to live in more-affluent and better-educated neighborhoods than the average U.S. resident. Among those who did register for courses, students with greater socioeconomic resources were more likely to earn a certificate. Furthermore, these differences in MOOC access and completion were larger for adolescents and young adults, the traditional ages where people find on-ramps into science, technology, engineering, and mathematics (STEM) coursework and careers. Our findings raise concerns that MOOCs and similar approaches to online learning can exacerbate rather than reduce disparities in educational outcomes related to socioeconomic status.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hansen, John D -- Reich, Justin -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1245-8. doi: 10.1126/science.aab3782. Epub 2015 Dec 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Harvard Graduate School of Education, Harvard University, Cambridge, MA 02138, USA. john_hansen@mail.harvard.edu. ; Office of Digital Learning, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785488" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adolescent ; Adult ; Career Choice ; Certification/*methods ; Education, Distance/*methods ; Engineering/education ; Humans ; Internet ; Learning ; Mathematics/education ; *Online Systems ; Science/education ; *Social Class ; Students ; Technology/education ; United States ; Young Adult
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 47
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Underwood, Emily -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1188-90. doi: 10.1126/science.350.6265.1188.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785475" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/blood/genetics/*physiology ; Animals ; Biological Clocks/genetics/*physiology ; Biomarkers/blood/metabolism ; DNA/genetics ; DNA Methylation ; Epigenesis, Genetic ; Humans ; Mice ; Rats ; Telomere Homeostasis
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 48
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Escobar, Herton -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1138-9. doi: 10.1126/science.350.6265.1138. Epub 2015 Dec 3.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785449" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Arsenic/analysis ; Brazil ; Copper/analysis ; *Disasters ; *Environmental Restoration and Remediation ; Food Chain ; Humans ; Mercury/analysis ; Metals, Heavy/*analysis ; Rivers ; Sewage/*analysis ; Structure Collapse ; *Tsunamis
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 49
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Scheid, Johannes F -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1175. doi: 10.1126/science.aad7133.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Massachusetts General Hospital, Boston, MA 02114, USA. The Rockefeller University, New York, NY 10021, USA. fscheid@partners.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785466" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Antibodies, Monoclonal/genetics/immunology/isolation & purification ; Antibodies, Neutralizing/genetics/*immunology/isolation & purification ; B-Lymphocytes/*immunology ; Cell Separation/methods ; HIV Antibodies/genetics/*immunology/isolation & purification ; HIV Infections/*blood ; Humans ; Immunologic Memory ; Mice ; env Gene Products, Human Immunodeficiency Virus/*immunology
    Print ISSN: 0036-8075
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 50
    Publikationsdatum: 2016-01-20
    Beschreibung: Congenital heart disease (CHD) patients have an increased prevalence of extracardiac congenital anomalies (CAs) and risk of neurodevelopmental disabilities (NDDs). Exome sequencing of 1213 CHD parent-offspring trios identified an excess of protein-damaging de novo mutations, especially in genes highly expressed in the developing heart and brain. These mutations accounted for 20% of patients with CHD, NDD, and CA but only 2% of patients with isolated CHD. Mutations altered genes involved in morphogenesis, chromatin modification, and transcriptional regulation, including multiple mutations in RBFOX2, a regulator of mRNA splicing. Genes mutated in other cohorts examined for NDD were enriched in CHD cases, particularly those with coexisting NDD. These findings reveal shared genetic contributions to CHD, NDD, and CA and provide opportunities for improved prognostic assessment and early therapeutic intervention in CHD patients.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Homsy, Jason -- Zaidi, Samir -- Shen, Yufeng -- Ware, James S -- Samocha, Kaitlin E -- Karczewski, Konrad J -- DePalma, Steven R -- McKean, David -- Wakimoto, Hiroko -- Gorham, Josh -- Jin, Sheng Chih -- Deanfield, John -- Giardini, Alessandro -- Porter, George A Jr -- Kim, Richard -- Bilguvar, Kaya -- Lopez-Giraldez, Francesc -- Tikhonova, Irina -- Mane, Shrikant -- Romano-Adesman, Angela -- Qi, Hongjian -- Vardarajan, Badri -- Ma, Lijiang -- Daly, Mark -- Roberts, Amy E -- Russell, Mark W -- Mital, Seema -- Newburger, Jane W -- Gaynor, J William -- Breitbart, Roger E -- Iossifov, Ivan -- Ronemus, Michael -- Sanders, Stephan J -- Kaltman, Jonathan R -- Seidman, Jonathan G -- Brueckner, Martina -- Gelb, Bruce D -- Goldmuntz, Elizabeth -- Lifton, Richard P -- Seidman, Christine E -- Chung, Wendy K -- T32 HL007208/HL/NHLBI NIH HHS/ -- Arthritis Research UK/United Kingdom -- British Heart Foundation/United Kingdom -- Department of Health/United Kingdom -- Howard Hughes Medical Institute/ -- Wellcome Trust/United Kingdom -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1262-6. doi: 10.1126/science.aac9396.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Harvard Medical School, Boston, MA, USA. Cardiovascular Research Center, Massachusetts General Hospital, Boston, MA, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. ; Departments of Systems Biology and Biomedical Informatics, Columbia University Medical Center, New York, NY, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. NIHR Cardiovascular Biomedical Research Unit at Royal Brompton & Harefield NHS Foundation and Trust and Imperial College London, London, UK. National Heart & Lung Institute, Imperial College London, London, UK. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Analytical and Translational Genetics Unit, Massachusetts General Hospital and Harvard Medical School, Boston MA, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Howard Hughes Medical Institute, Harvard University, Boston, MA, USA. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. ; Department of Cardiology, University College London and Great Ormond Street Hospital, London, UK. ; Department of Pediatrics, University of Rochester Medical Center, The School of Medicine and Dentistry, Rochester, NY, USA. ; Section of Cardiothoracic Surgery, University of Southern California Keck School of Medicine, Los Angeles, CA, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. Yale Center for Genome Analysis, Yale University, New Haven, CT, USA. ; Yale Center for Genome Analysis, Yale University, New Haven, CT, USA. ; Steven and Alexandra Cohen Children's Medical Center of New York, New Hyde Park, NY, USA. ; Departments of Systems Biology and Biomedical Informatics, Columbia University Medical Center, New York, NY, USA. Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY, USA. ; Department of Neurology, Columbia University Medical Center, New York, NY, USA. ; Department of Pediatrics, Columbia University Medical Center, New York, NY, USA. ; Department of Cardiology, Children's Hospital Boston, Boston, MA, USA. ; Division of Pediatric Cardiology, University of Michigan, Ann Arbor, MI, USA. ; Department of Pediatrics, The Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada. ; Department of Cardiology, Boston Children's Hospital, Boston, MA, USA. ; Department of Pediatric Cardiac Surgery, The Children's Hospital of Philadelphia, Philadelphia, PA, USA. ; Cold Spring Harbor Laboratory, Cold Spring Harbor, NY, USA. ; Department of Psychiatry, University of California San Francisco, San Francisco, CA, USA. ; Heart Development and Structural Diseases Branch, Division of Cardiovascular Sciences, NHLBI/NIH, Bethesda, MD, USA. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Mindich Child Health and Development Institute and Department of Pediatrics, Icahn School of Medicine at Mount Sinai, New York, NY, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Pediatrics, The Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA. Division of Cardiology, The Children's Hospital of Philadelphia, Philadelphia, PA, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Genetics, Yale University School of Medicine, New Haven, CT, USA. Howard Hughes Medical Institute, Yale University, New Haven, CT, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Department of Genetics, Harvard Medical School, Boston, MA, USA. Howard Hughes Medical Institute, Harvard University, Boston, MA, USA. Cardiovascular Division, Brigham & Women's Hospital, Harvard University, Boston, MA, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu. ; Departments of Pediatrics and Medicine, Columbia University Medical Center, New York, NY, USA. bruce.gelb@mssm.edu goldmuntz@email.chop.edu martina.brueckner@yale.edu richard.lifton@yale.edu cseidman@genetics.med.harvard.edu wkc15@cumc.columbia.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785492" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Brain/abnormalities/metabolism ; Child ; Congenital Abnormalities/genetics ; Exome/genetics ; Heart Defects, Congenital/*diagnosis/*genetics ; Humans ; Mutation ; Nervous System Malformations/*genetics ; Neurogenesis/*genetics ; Prognosis ; RNA Splicing/genetics ; RNA, Messenger/genetics ; RNA-Binding Proteins/genetics ; Repressor Proteins/genetics ; Transcription, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 51
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: Nicotinamide adenine dinucleotide (NAD(+)) is a coenzyme found in all living cells. It serves both as a critical coenzyme for enzymes that fuel reduction-oxidation reactions, carrying electrons from one reaction to another, and as a cosubstrate for other enzymes such as the sirtuins and poly(adenosine diphosphate-ribose) polymerases. Cellular NAD(+) concentrations change during aging, and modulation of NAD(+) usage or production can prolong both health span and life span. Here we review factors that regulate NAD(+) and discuss how supplementation with NAD(+) precursors may represent a new therapeutic opportunity for aging and its associated disorders, particularly neurodegenerative diseases.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Verdin, Eric -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1208-13. doi: 10.1126/science.aac4854.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Gladstone Institutes, Department of Medicine, University of California, San Francisco, San Francisco, CA 94158, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785480" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/drug effects/genetics/*metabolism ; Biosynthetic Pathways ; DNA Damage ; Diabetes Mellitus, Type 2/metabolism ; Fatty Liver/metabolism ; Humans ; Mitochondria/metabolism ; NAD/*metabolism ; Neurodegenerative Diseases/drug therapy/*metabolism ; Obesity/metabolism ; Oxidation-Reduction ; Poly(ADP-ribose) Polymerases/metabolism ; Sirtuins/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 52
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Hurtley, Stella -- Roberts, Leslie -- Ray, L Bryan -- Purnell, Beverly A -- Ash, Caroline -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1180-1. doi: 10.1126/science.350.6265.1180.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785472" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aging/*genetics ; Animals ; Health ; Humans ; Mitochondria/metabolism ; Stem Cells/physiology ; Telomere/*genetics ; *Telomere Homeostasis
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 53
    facet.materialart.
    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ford, Adam T -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1175. doi: 10.1126/science.aad7134.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Integrative Biology at the University of Guelph, Guelph, Ontario, Canada. adamford@uoguelph.ca.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785465" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Animals, Wild ; Antelopes ; *Dogs ; Endangered Species ; *Food Chain ; *Grassland ; *Herbivory ; Humans ; Plants
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 54
    Publikationsdatum: 2016-01-20
    Beschreibung: Flow regulation and irrigation alter local freshwater conditions, but their global effects are highly uncertain. We investigated these global effects from 1901 to 2008, using hydroclimatic observations in 100 large hydrological basins. Globally, we find consistent and dominant effects of increasing relative evapotranspiration from both activities, and decreasing temporal runoff variability from flow regulation. The evapotranspiration effect increases the long-term average human consumption of fresh water by 3563 +/- 979 km(3)/year from 1901-1954 to 1955-2008. This increase raises a recent estimate of the current global water footprint of humanity by around 18%, to 10,688 +/- 979 km(3)/year. The results highlight the global impact of local water-use activities and call for their relevant account in Earth system modeling.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Jaramillo, Fernando -- Destouni, Georgia -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1248-51. doi: 10.1126/science.aad1010.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Physical Geography and Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden. Department of Biological and Environmental Sciences, University of Gothenburg, 40530 Goteborg, Sweden. fernando.jaramillo@natgeo.su.se. ; Department of Physical Geography and Bolin Centre for Climate Research, Stockholm University, SE-106 91, Stockholm, Sweden.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785489" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Agricultural Irrigation ; Climate Change ; *Drinking ; *Fresh Water ; Humans ; Plant Transpiration ; Water Supply/*standards
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 55
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: The potential for the gut microbiota to affect health has a particular relevance for older individuals. This is because the microbiota may modulate aging-related changes in innate immunity, sarcopaenia, and cognitive function, all of which are elements of frailty. Both cell culture-dependent and -independent studies show that the gut microbiota of older people differs from that of younger adults. There is no chronological threshold or age at which the composition of the microbiota suddenly alters; rather, changes occur gradually with time. Our detailed analyses have separated the microbiota into groups associated with age, long-term residential care, habitual diet, and degree of retention of a core microbiome. We are beginning to understand how these groups change with aging and how they relate to clinical phenotypes. These data provide a framework for analyzing microbiota-health associations, distinguishing correlation from causation, identifying microbiota interaction with physiological aging processes, and developing microbiota-based health surveillance for older adults.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉O'Toole, Paul W -- Jeffery, Ian B -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1214-5. doi: 10.1126/science.aac8469.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉School of Microbiology and APC Microbiome Institute, University College Cork, Cork T12 Y337, Ireland. pwotoole@ucc.ie. ; School of Microbiology and APC Microbiome Institute, University College Cork, Cork T12 Y337, Ireland.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785481" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aged ; Aged, 80 and over ; *Aging ; Food Habits ; Frail Elderly ; *Gastrointestinal Microbiome ; Health ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 56
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Akiyama, Hiroko -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1135. doi: 10.1126/science.aad9386.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Hiroko Akiyama is a professor at the Institute of Gerontology at the University of Tokyo, 7-3-1 Hongo, Bunkyoku, Tokyo, Japan. akiyama@iog.u-tokyo.ac.jp.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785447" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aged ; Female ; Humans ; Japan ; *Longevity ; Retirement ; Social Security
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 57
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Alexandrov, Ludmil B -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1175. doi: 10.1126/science.aad7363.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Theoretical Biology and Biophysics (T-6), Los Alamos National Laboratory, Los Alamos, NM 87545, USA. lba@lanl.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785464" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Computer Simulation ; DNA Mutational Analysis ; Genomics/*methods ; Humans ; *Models, Genetic ; *Mutagenesis ; Mutation ; Neoplasms/classification/*genetics/pathology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 58
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Amigo, Ignacio -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1286. doi: 10.1126/science.350.6265.1286.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Ignacio Amigo is a postdoctoral researcher in the biochemistry department of the Chemistry Institute at the University of Sao Paulo in Brazil. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785493" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biochemistry ; Humans ; Molecular Biology ; Parenting/*psychology ; *Paternal Behavior
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 59
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: Age is the greatest risk factor for nearly every major cause of mortality in developed nations. Despite this, most biomedical research focuses on individual disease processes without much consideration for the relationships between aging and disease. Recent discoveries in the field of geroscience, which aims to explain biological mechanisms of aging, have provided insights into molecular processes that underlie biological aging and, perhaps more importantly, potential interventions to delay aging and promote healthy longevity. Here we describe some of these advances, along with efforts to move geroscience from the bench to the clinic. We also propose that greater emphasis should be placed on research into basic aging processes, because interventions that slow aging will have a greater effect on quality of life compared with disease-specific approaches.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kaeberlein, Matt -- Rabinovitch, Peter S -- Martin, George M -- P30AG013280/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1191-3. doi: 10.1126/science.aad3267.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Pathology, University of Washington, Seattle, WA 98195, USA. kaeber@uw.edu. ; Department of Pathology, University of Washington, Seattle, WA 98195, USA. ; Department of Pathology, University of Washington, Seattle, WA 98195, USA. Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA 90095, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785476" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Aging ; Animals ; Diet ; Exercise ; Geriatrics/*trends ; *Health ; Humans ; Mortality ; Preventive Medicine/*trends ; Risk Factors ; TOR Serine-Threonine Kinases/antagonists & inhibitors ; Translational Medical Research/trends
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 60
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1186-7. doi: 10.1126/science.350.6265.1186.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785474" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Caenorhabditis elegans/genetics/physiology ; Caenorhabditis elegans Proteins/genetics/physiology ; Caloric Restriction ; Death ; Humans ; Hydra/genetics/physiology ; Longevity/genetics/*physiology ; Mice ; Mutation ; Phosphatidylinositol 3-Kinases/genetics/physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 61
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: Research into stem cells and aging aims to understand how stem cells maintain tissue health, what mechanisms ultimately lead to decline in stem cell function with age, and how the regenerative capacity of somatic stem cells can be enhanced to promote healthy aging. Here, we explore the effects of aging on stem cells in different tissues. Recent research has focused on the ways that genetic mutations, epigenetic changes, and the extrinsic environmental milieu influence stem cell functionality over time. We describe each of these three factors, the ways in which they interact, and how these interactions decrease stem cell health over time. We are optimistic that a better understanding of these changes will uncover potential strategies to enhance stem cell function and increase tissue resiliency into old age.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goodell, Margaret A -- Rando, Thomas A -- P01 AG036695/AG/NIA NIH HHS/ -- R01 AG047820/AG/NIA NIH HHS/ -- R01 AR062185/AR/NIAMS NIH HHS/ -- R37 AG023806/AG/NIA NIH HHS/ -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1199-204. doi: 10.1126/science.aab3388.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Stem Cells and Regenerative Medicine Center, Center for Cell and Gene Therapy, and Department of Pediatrics, Baylor College of Medicine, Houston, TX 77030, USA. goodell@bcm.edu rando@stanford.edu. ; Glenn Center for the Biology of Aging and Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA 94305, USA, and Center for Regenerative Rehabilitation, Veterans Administration Palo Alto Health Care System, Palo Alto, CA 94304, USA. goodell@bcm.edu rando@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785478" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult Stem Cells/*physiology ; Aging/*physiology ; Animals ; Cell Aging ; Epigenesis, Genetic ; Genetic Drift ; *Health ; Humans ; Mice ; Mutation ; Organ Specificity ; Selection, Genetic
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 62
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Greenbaum, Dov -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1176. doi: 10.1126/science.350.6265.1176-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Zvi Meitar Institute for Legal Implications of Emerging Technologies, Interdisciplinary Center, Herzliya Israel and Department of Molecular Biophysics and Biochemistry, Yale University School of Medicine, New Haven, CT 10463, USA. dov.greenbaum@yale.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785467" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Clothing ; Humans ; *Military Personnel ; *Robotics ; Walking/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 63
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Grimm, David -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1182-5. doi: 10.1126/science.350.6265.1182.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785473" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Age Factors ; Animals ; Body Weight ; Cats ; Dogs ; Humans ; *Longevity ; Pets/*physiology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 64
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Young, Ry -- Gill, Jason J -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1163-4. doi: 10.1126/science.aad6791.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Phage Technology, Texas A&M University, College Station, TX 77843, USA. Department of Biochemistry and Biophysics, Texas A&M University, College Station, TX 77843, USA. ryland@tamu.edu jason.gill@tamu.edu. ; Center for Phage Technology, Texas A&M University, College Station, TX 77843, USA. Department of Animal Science, Texas A&M University, College Station, TX 77843, USA. ryland@tamu.edu jason.gill@tamu.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785457" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Bacteriocins ; Biological Therapy/*methods ; Burns/microbiology/therapy ; *Caudovirales ; Drug Resistance, Bacterial ; Gram-Positive Bacterial Infections/*therapy ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 65
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-20
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gura, Trisha -- New York, N.Y. -- Science. 2015 Dec 4;350(6265):1139-40. doi: 10.1126/science.350.6265.1139.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26785450" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Biotechnology/trends ; DNA/*genetics ; Drug Discovery/*methods ; Drug Evaluation, Preclinical/*methods ; Drug Industry/trends ; Humans ; *Small Molecule Libraries
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 66
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2016 Apr 8;352(6282):128-9. doi: 10.1126/science.352.6282.128. Epub 2016 Apr 7.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27124428" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Aedes/virology ; Angola/epidemiology ; Animals ; Chick Embryo ; Disease Outbreaks/*prevention & control ; Humans ; Vaccination/statistics & numerical data ; World Health Organization ; Yellow Fever/*epidemiology/*prevention & control ; Yellow Fever Vaccine/*administration & dosage
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 67
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1143. doi: 10.1126/science.351.6278.1143.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965608" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acinetobacter/*growth & development ; Animals ; *Death ; Humans ; Mice ; Moraxellaceae/*growth & development ; Rhizobiaceae/*growth & development ; Time Factors
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 68
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):391-2. doi: 10.1126/science.352.6284.391. Epub 2016 Apr 21.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27102452" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Communicable Diseases/diagnosis/*epidemiology/etiology ; Echinococcosis/diagnosis/epidemiology ; Echinococcus/isolation & purification ; *Emigration and Immigration ; Europe ; Humans ; Mass Screening ; Methicillin Resistance ; Methicillin-Resistant Staphylococcus aureus/isolation & purification ; *Refugees
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 69
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kupferschmidt, Kai -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1136-7. doi: 10.1126/science.351.6278.1136.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965604" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Age Factors ; *Bacteria/classification/genetics/isolation & purification ; Biometric Identification/*methods ; Cell Phones ; Clothing ; *Forensic Medicine ; Humans ; *Microbiota ; RNA, Ribosomal, 16S/genetics/isolation & purification ; Sex Factors
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 70
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Segal, Rosalind A -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1494. doi: 10.1126/science.351.6280.1494.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Rosalind A. Segal is a neurobiology professor at Harvard Medical School and co-chair of cancer biology at the Dana-Farber Cancer Institute in Boston. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013735" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Career Choice ; Female ; Humans ; Neurobiology/manpower ; *Sexism ; *Women, Working
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 71
    Publikationsdatum: 2016-02-05
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Claiborne, Anne B -- English, Rebecca A -- Kahn, Jeffrey P -- 10002265/PHS HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):668-70. doi: 10.1126/science.aaf3091. Epub 2016 Feb 3.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medicine, U.S. National Academies of Sciences, Engineering, and Medicine, Washington, DC 20001, USA. aclaiborne@nas.edu. ; Institute of Medicine, U.S. National Academies of Sciences, Engineering, and Medicine, Washington, DC 20001, USA. ; Johns Hopkins Berman Institute of Bioethics, Johns Hopkins University, Baltimore, MD 21205, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26842937" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Nucleus/genetics ; DNA, Mitochondrial/genetics ; Ethics, Medical ; *Government Regulation ; Humans ; Mitochondrial Diseases/genetics/*prevention & control ; Mitochondrial Replacement Therapy/*ethics/*standards ; *Oocytes ; United States ; United States Food and Drug Administration ; *Zygote
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 72
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):280-1. doi: 10.1126/science.352.6283.280.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081048" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Archaeology ; Estonia ; History, Ancient ; Humans ; Ships ; Skeleton ; Slavery/*history ; Sweden
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 73
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1130-2. doi: 10.1126/science.351.6278.1130.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965601" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bites and Stings ; Criminal Law/*statistics & numerical data ; Dermatoglyphics ; Firearms ; Forensic Sciences/legislation & jurisprudence/*statistics & numerical data/trends ; Humans ; Wounds, Gunshot
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 74
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Servick, Kelly -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):15. doi: 10.1126/science.351.6268.15.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721984" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; California ; Cell Differentiation ; Clinical Trials as Topic ; Drug Industry ; Embryonic Stem Cells/cytology/*transplantation ; Financing, Organized ; Humans ; Photoreceptor Cells/physiology ; Rats ; Regenerative Medicine/*economics/*trends ; Retina/cytology/physiology ; Stem Cell Research/*economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 75
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):501-2. doi: 10.1126/science.352.6285.501.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27126014" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): China/epidemiology ; DNA, Bacterial/*genetics ; Disease Outbreaks/*history ; Europe/epidemiology ; History, Medieval ; Humans ; Plague/epidemiology/*history/microbiology ; Yersinia pestis/*classification/genetics/pathogenicity
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 76
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-09
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lawler, Andrew -- New York, N.Y. -- Science. 2016 Jan 8;351(6269):111-2. doi: 10.1126/science.351.6269.111.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26744387" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Drinking Water ; *Droughts ; Humans ; Indian Ocean ; Iraq ; Mesopotamia ; Salinity ; Warfare ; Water Resources/*supply & distribution ; *Wetlands
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 77
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):434. doi: 10.1126/science.351.6272.434.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823407" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Anti-Retroviral Agents/*pharmacokinetics/therapeutic use ; *Drug Resistance, Viral ; HIV/drug effects/*genetics/physiology ; HIV Infections/blood/*drug therapy/*virology ; Humans ; Lymph Nodes/*virology ; Male ; Mutagenesis ; RNA, Viral/analysis ; Tissue Distribution ; Virus Replication
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 78
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):16-9. doi: 10.1126/science.351.6268.16.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721985" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomedical Research/*economics ; Communicable Disease Control/*economics ; Financial Management ; Humans ; National Institutes of Health (U.S.) ; United States ; Vaccines/*economics
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    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 79
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-23
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shanahan, Jesse -- New York, N.Y. -- Science. 2016 Jan 22;351(6271):418. doi: 10.1126/science.351.6271.418.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Jesse Shanahan is a master's student in astronomy at Wesleyan University in Middletown, Connecticut. Send your story to SciCareerEditor@aaas.org.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26798017" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Astronomy/*education ; *Career Mobility ; Disabled Persons/*psychology/statistics & numerical data ; Fear ; *Hostility ; Humans ; Male ; United States
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 80
    Publikationsdatum: 2016-01-30
    Beschreibung: Cystic fibrosis (CF) is caused by mutations in the gene that encodes the cystic fibrosis transmembrane conductance regulator (CFTR) anion channel. In humans and pigs, the loss of CFTR impairs respiratory host defenses, causing airway infection. But CF mice are spared. We found that in all three species, CFTR secreted bicarbonate into airway surface liquid. In humans and pigs lacking CFTR, unchecked H(+) secretion by the nongastric H(+)/K(+) adenosine triphosphatase (ATP12A) acidified airway surface liquid, which impaired airway host defenses. In contrast, mouse airways expressed little ATP12A and secreted minimal H(+); consequently, airway surface liquid in CF and non-CF mice had similar pH. Inhibiting ATP12A reversed host defense abnormalities in human and pig airways. Conversely, expressing ATP12A in CF mouse airways acidified airway surface liquid, impaired defenses, and increased airway bacteria. These findings help explain why CF mice are protected from infection and nominate ATP12A as a potential therapeutic target for CF.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shah, Viral S -- Meyerholz, David K -- Tang, Xiao Xiao -- Reznikov, Leah -- Abou Alaiwa, Mahmoud -- Ernst, Sarah E -- Karp, Philip H -- Wohlford-Lenane, Christine L -- Heilmann, Kristopher P -- Leidinger, Mariah R -- Allen, Patrick D -- Zabner, Joseph -- McCray, Paul B Jr -- Ostedgaard, Lynda S -- Stoltz, David A -- Randak, Christoph O -- Welsh, Michael J -- 5T32GM007337/GM/NIGMS NIH HHS/ -- DK054759/DK/NIDDK NIH HHS/ -- F30 HL123239/HL/NHLBI NIH HHS/ -- F30HL123239/HL/NHLBI NIH HHS/ -- HL091842/HL/NHLBI NIH HHS/ -- HL117744/HL/NHLBI NIH HHS/ -- HL51670/HL/NHLBI NIH HHS/ -- K08HL097071/HL/NHLBI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):503-7. doi: 10.1126/science.aad5589.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Medicine, University of Iowa, Iowa City, IA 52242, USA. Department of Molecular Physiology and Biophysics, Pappajohn Biomedical Institute, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA. ; Department of Pathology, University of Iowa, Iowa City, IA 52242, USA. ; Department of Medicine, University of Iowa, Iowa City, IA 52242, USA. Howard Hughes Medical Institute, University of Iowa, Iowa City, IA 52242, USA. ; Department of Medicine, University of Iowa, Iowa City, IA 52242, USA. ; Department of Pediatrics University of Iowa, Iowa City, IA 52242, USA. ; Department of Microbiology, University of Iowa, Iowa City, IA 52242, USA. ; Department of Pediatrics University of Iowa, Iowa City, IA 52242, USA. Department of Microbiology, University of Iowa, Iowa City, IA 52242, USA. ; Department of Medicine, University of Iowa, Iowa City, IA 52242, USA. Department of Molecular Physiology and Biophysics, Pappajohn Biomedical Institute, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA. Department of Biomedical Engineering, College of Engineering, University of Iowa, Iowa City, IA 52242, USA. ; Department of Medicine, University of Iowa, Iowa City, IA 52242, USA. Department of Molecular Physiology and Biophysics, Pappajohn Biomedical Institute, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City, IA 52242, USA. Howard Hughes Medical Institute, University of Iowa, Iowa City, IA 52242, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823428" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Acids/metabolism ; Animals ; Bicarbonates/metabolism ; Cystic Fibrosis/*metabolism/*microbiology ; H(+)-K(+)-Exchanging ATPase/genetics/*metabolism ; Humans ; Hydrogen-Ion Concentration ; Lung/*metabolism/*microbiology ; Mice ; Mice, Inbred CFTR/genetics/metabolism ; Mice, Transgenic ; Swine
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 81
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cohen, Jon -- Enserink, Martin -- New York, N.Y. -- Science. 2016 Jan 1;351(6268):12-3. doi: 10.1126/science.351.6268.12.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26721981" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Africa, Western/epidemiology ; Antiviral Agents/therapeutic use ; Clinical Trials as Topic ; Cytosine/analogs & derivatives/therapeutic use ; Ebola Vaccines/therapeutic use ; Ebolavirus/drug effects ; *Epidemics ; Global Health ; Hemorrhagic Fever, Ebola/*drug therapy/*epidemiology ; Humans ; Organophosphonates/therapeutic use ; World Health Organization
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 82
    Publikationsdatum: 2016-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Collins, Francis S -- Anderson, James M -- Austin, Christopher P -- Battey, James F -- Birnbaum, Linda S -- Briggs, Josephine P -- Clayton, Janine A -- Cuthbert, Bruce -- Eisinger, Robert W -- Fauci, Anthony S -- Gallin, John I -- Gibbons, Gary H -- Glass, Roger I -- Gottesman, Michael M -- Gray, Patricia A -- Green, Eric D -- Greider, Franziska B -- Hodes, Richard -- Hudson, Kathy L -- Humphreys, Betsy -- Katz, Stephen I -- Koob, George F -- Koroshetz, Walter J -- Lauer, Michael S -- Lorsch, Jon R -- Lowy, Douglas R -- McGowan, John J -- Murray, David M -- Nakamura, Richard -- Norris, Andrea -- Perez-Stable, Eliseo J -- Pettigrew, Roderic I -- Riley, William T -- Rodgers, Griffin P -- Sieving, Paul A -- Somerman, Martha J -- Spong, Catherine Y -- Tabak, Lawrence A -- Volkow, Nora D -- Wilder, Elizabeth L -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1405. doi: 10.1126/science.351.6280.1405-a.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Office of the Director, NIH, Bethesda, MD 20892, USA. collinsf@mail.nih.gov. ; Division of Program Coordination, Planning, and Strategic Initiatives, NIH, Bethesda, MD 20892, USA. ; National Center for Advancing Translational Science, NIH, Rockville, MD 20850, USA. ; National Institute on Deafness and Other Communication Disorders, NIH, Bethesda, MD 20892, USA. ; National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC 27709, USA. ; National Center for Complementary and Integrative Health, NIH, Bethesda, MD 20892, USA. ; Office of Research on Women's Health, NIH, Bethesda, MD 20892, USA. ; National Institute of Mental Health, NIH, Bethesda, MD 20892, USA. ; Office of AIDS Research, NIH, Bethesda, MD 20892, USA. ; National Institute of Allergy and Infectious Diseases, NIH, Bethesda, MD 20892, USA. ; Clinical Center, NIH, Bethesda, MD 20892, USA. ; National Heart, Lung, and Blood Institute, NIH, Bethesda, MD 20892, USA. ; Fogarty International Center, NIH, Bethesda, MD 20892, USA. ; Office of Intramural Research, NIH, Bethesda, MD 20892, USA. ; National Institute of Nursing Research, NIH, Bethesda, MD 20892, USA. ; National Human Genome Research Institute, NIH, Bethesda, MD 20892, USA. ; Office of Research Infrastructure Programs, NIH, Bethesda, MD 20892, USA. ; National Institute on Aging, NIH, Bethesda, MD 20892, USA. ; Office of the Director, NIH, Bethesda, MD 20892, USA. ; National Library of Medicine, NIH, Bethesda, MD 20892, USA. ; National Institute of Arthritis and Musculoskeletal and Skin Diseases, NIH, Bethesda, MD 20892, USA. ; National Institute on Alcohol Abuse and Alcoholism, NIH, Bethesda, MD 20892, USA. ; NINDS, NIH, Bethesda, MD 20892, USA. ; Office of Extramural Research, NIH, Bethesda, MD 20892, USA. ; National Institute of General Medical Sciences, NIH, Bethesda, MD 20892, USA. ; National Cancer Institute, NIH, Bethesda, MD 20892, USA. ; Office of Management, NIH, Bethesda, MD 20892, USA. ; Office of Disease Prevention, NIH, Bethesda, MD 20892, USA. ; Center for Scientific Review, NIH, Bethesda, MD 20892, USA. ; Center for Information Technology, NIH, Bethesda, MD 20892, USA. ; National Institute on Minority Health and Health Disparities, NIH, Bethesda, MD 20892, USA. ; National Institute of Biomedical Imaging and Bioengineering, NIH, Bethesda, MD 20892, USA. ; Office of Behavioral and Social Sciences Research, NIH, Bethesda, MD 20892, USA. ; National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD 20892, USA. ; National Eye Institute, NIH, Bethesda, MD 20892, USA. ; National Institute of Dental and Craniofacial Research, NIH, Bethesda, MD 20892, USA. ; Eunice Kennedy Shriver National Institute of Child Health and Human Development, NIH, Bethesda, MD 20892, USA. ; National Institute on Drug Abuse, NIH, Bethesda, MD 20892, USA. ; Office of Strategic Coordination, NIH, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013720" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Biomedical Research/*economics ; Humans ; National Institutes of Health (U.S.)/*economics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 83
    Publikationsdatum: 2016-02-26
    Beschreibung: Mota and Herculano-Houzel (Reports, 3 July 2015, p. 74) assign power functions to neuroanatomical data and present a model to account for evolutionary patterns of cortical folding in the mammalian brain. We detail how the model assumptions are in conflict with experimental and observational work and show that the model itself does not accurately fit the data.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lewitus, Eric -- Kelava, Iva -- Kalinka, Alex T -- Tomancak, Pavel -- Huttner, Wieland B -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):825. doi: 10.1126/science.aad2029.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institut de Biologie, Ecole Normale Superieure, Paris, France. lewitus@biologie.ens.fr huttner@mpi-cbg.de. ; MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge CB2 0QH, UK. ; Institute of Population Genetics, Vetmeduni, Vienna, Austria. ; Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany. ; Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany. lewitus@biologie.ens.fr huttner@mpi-cbg.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912886" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Cerebral Cortex ; Humans ; Lissencephaly/*pathology ; Neurons/*cytology
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 84
    Publikationsdatum: 2016-02-26
    Beschreibung: Voltage-gated CaV1.2 channels (L-type calcium channel alpha1C subunits) are critical mediators of transcription-dependent neural plasticity. Whether these channels signal via the influx of calcium ion (Ca(2+)), voltage-dependent conformational change (VDeltaC), or a combination of the two has thus far been equivocal. We fused CaV1.2 to a ligand-gated Ca(2+)-permeable channel, enabling independent control of localized Ca(2+) and VDeltaC signals. This revealed an unexpected dual requirement: Ca(2+) must first mobilize actin-bound Ca(2+)/calmodulin-dependent protein kinase II, freeing it for subsequent VDeltaC-mediated accumulation. Neither signal alone sufficed to activate transcription. Signal order was crucial: Efficiency peaked when Ca(2+) preceded VDeltaC by 10 to 20 seconds. CaV1.2 VDeltaC synergistically augmented signaling by N-methyl-d-aspartate receptors. Furthermore, VDeltaC mistuning correlated with autistic symptoms in Timothy syndrome. Thus, nonionic VDeltaC signaling is vital to the function of CaV1.2 in synaptic and neuropsychiatric processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Boxing -- Tadross, Michael R -- Tsien, Richard W -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):863-7. doi: 10.1126/science.aad3647.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. ; Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA. Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA. tadrossm@janelia.hhmi.org. ; Department of Neuroscience and Physiology and New York University Neuroscience Institute, New York, NY 10016, USA. Department of Molecular and Cellular Physiology, Beckman Center, School of Medicine, Stanford University, Stanford, CA 94305, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912895" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Autistic Disorder/genetics/metabolism ; Calcium Channel Blockers/pharmacology ; Calcium Channels, L-Type/chemistry/*metabolism ; *Calcium Signaling ; Calcium-Calmodulin-Dependent Protein Kinase Type 2/*metabolism ; Cells, Cultured ; Cyclic AMP Response Element-Binding Protein/metabolism ; *Gene Expression Regulation ; HEK293 Cells ; Hippocampus/cytology ; Humans ; Long QT Syndrome/genetics/metabolism ; Neuronal Plasticity/*genetics ; Neurons/drug effects/*metabolism ; Nimodipine/pharmacology ; Protein Conformation/drug effects ; Rats ; Rats, Sprague-Dawley ; Receptors, N-Methyl-D-Aspartate/metabolism ; Synapses/metabolism ; Syndactyly/genetics/metabolism
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 85
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-02
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Shoubridge, Eric A -- New York, N.Y. -- Science. 2016 Apr 1;352(6281):31-2. doi: 10.1126/science.aaf5248. Epub 2016 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Montreal Neurological Institute, Department of Human Genetics, McGill University, Montreal, Quebec, Canada. eric@ericpc.mni.mcgill.ca.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27034357" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Humans ; Leigh Disease/*genetics/*therapy ; Mitochondria/*metabolism ; Oxygen/*metabolism ; Von Hippel-Lindau Tumor Suppressor Protein/*genetics
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  • 86
    Publikationsdatum: 2016-02-27
    Beschreibung: Rasmussen and Svensson correctly point out that there is currently no satisfactory method to fully align the Greenland and Cariaco Basin records of climate change. However, our approach using interstadial onsets as tie-points allows direct comparison between radiocarbon dates and Greenland climate records. Crucially, both the standard Greenland and the merged Greenland-Cariaco time scales show that interstadial warming was associated with megafaunal genetic transitions.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Cooper, Alan -- Turney, Chris -- Hughen, Konrad -- New York, N.Y. -- Science. 2016 Feb 26;351(6276):927. doi: 10.1126/science.aad8016.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉University of Adelaide, Australian Centre for Ancient DNA, School of Earth and Environmental Sciences, and Environment Institute, Adelaide, Australia. alan.cooper@adelaide.edu.au. ; Climate Change Research Centre, School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, Australia. ; Department of Marine Chemistry and Geochemistry, Woods Hole Oceanographic Institution, Woods Hole, MA, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26917762" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; *Extinction, Biological ; Global Warming/*history ; Humans
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 87
    Publikationsdatum: 2016-04-30
    Beschreibung: Noncoding variants play a central role in the genetics of complex traits, but we still lack a full understanding of the molecular pathways through which they act. We quantified the contribution of cis-acting genetic effects at all major stages of gene regulation from chromatin to proteins, in Yoruba lymphoblastoid cell lines (LCLs). About ~65% of expression quantitative trait loci (eQTLs) have primary effects on chromatin, whereas the remaining eQTLs are enriched in transcribed regions. Using a novel method, we also detected 2893 splicing QTLs, most of which have little or no effect on gene-level expression. These splicing QTLs are major contributors to complex traits, roughly on a par with variants that affect gene expression levels. Our study provides a comprehensive view of the mechanisms linking genetic variation to variation in human gene regulation.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Yang I -- van de Geijn, Bryce -- Raj, Anil -- Knowles, David A -- Petti, Allegra A -- Golan, David -- Gilad, Yoav -- Pritchard, Jonathan K -- R01MH084703/MH/NIMH NIH HHS/ -- R01MH101825/MH/NIMH NIH HHS/ -- U01HG007036/HG/NHGRI NIH HHS/ -- U54CA149145/CA/NCI NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):600-4. doi: 10.1126/science.aad9417. Epub 2016 Apr 28.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Genetics, Stanford University, Stanford, CA, USA. ; Department of Human Genetics, University of Chicago, Chicago, IL, USA. ; Department of Computer Science, Stanford University, Stanford, CA, USA. Department of Radiology, Stanford University, Stanford, CA, USA. ; Genome Institute, Washington University in St. Louis, St. Louis, MO, USA. ; Department of Human Genetics, University of Chicago, Chicago, IL, USA. gilad@uchicago.edu pritch@stanford.edu. ; Department of Genetics, Stanford University, Stanford, CA, USA. Department of Biology, Stanford University, Stanford, CA, USA. Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA. gilad@uchicago.edu pritch@stanford.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27126046" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Cell Line ; Chromatin/metabolism ; *Gene Expression Regulation ; *Genetic Variation ; Genome-Wide Association Study ; Humans ; Immune System Diseases/*genetics ; Lymphocytes/immunology ; Phenotype ; Polymorphism, Single Nucleotide ; *Quantitative Trait Loci ; RNA Splicing/*genetics
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  • 88
    Publikationsdatum: 2016-04-30
    Beschreibung: Fecal microbiota transplantation (FMT) has shown efficacy in treating recurrent Clostridium difficile infection and is increasingly being applied to other gastrointestinal disorders, yet the fate of native and introduced microbial strains remains largely unknown. To quantify the extent of donor microbiota colonization, we monitored strain populations in fecal samples from a recent FMT study on metabolic syndrome patients using single-nucleotide variants in metagenomes. We found extensive coexistence of donor and recipient strains, persisting 3 months after treatment. Colonization success was greater for conspecific strains than for new species, the latter falling within fluctuation levels observed in healthy individuals over a similar time frame. Furthermore, same-donor recipients displayed varying degrees of microbiota transfer, indicating individual patterns of microbiome resistance and donor-recipient compatibilities.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Li, Simone S -- Zhu, Ana -- Benes, Vladimir -- Costea, Paul I -- Hercog, Rajna -- Hildebrand, Falk -- Huerta-Cepas, Jaime -- Nieuwdorp, Max -- Salojarvi, Jarkko -- Voigt, Anita Y -- Zeller, Georg -- Sunagawa, Shinichi -- de Vos, Willem M -- Bork, Peer -- New York, N.Y. -- Science. 2016 Apr 29;352(6285):586-9. doi: 10.1126/science.aad8852.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. School of Biotechnology and Biomolecular Sciences, University of New South Wales, 2052 Sydney, Australia. ; Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. ; Genomics Core Facility, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. ; Department of Vascular Medicine, Academic Medical Center, 1105 AZ Amsterdam, Netherlands. Diabetes Center, Vrije University Medical Center, 1018 HV Amsterdam, Netherlands. Wallenberg Laboratory, University of Gothenburg, 41345 Gothenburg, Sweden. ; Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland. Department of Biosciences, University of Helsinki, 00014 Helsinki, Finland. ; Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. Department of Applied Tumor Biology, Institute of Pathology, University Hospital Heidelberg, 69120 Heidelberg, Germany. Molecular Medicine Partnership Unit, University of Heidelberg and European Molecular Biology Laboratory, 69120 Heidelberg, Germany. ; Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. bork@embl.de willem.devos@wur.nl sunagawa@embl.de. ; Department of Veterinary Biosciences, University of Helsinki, 00014 Helsinki, Finland. Laboratory of Microbiology, Wageningen University, 6703 HB Wageningen, Netherlands. Immunobiology Research Program, Department of Bacteriology and Immunology, University of Helsinki, 00014 Helsinki, Finland. bork@embl.de willem.devos@wur.nl sunagawa@embl.de. ; Structural and Computational Biology Unit, European Molecular Biology Laboratory, 69117 Heidelberg, Germany. Molecular Medicine Partnership Unit, University of Heidelberg and European Molecular Biology Laboratory, 69120 Heidelberg, Germany. Max Delbruck Centre for Molecular Medicine, 13125 Berlin, Germany. Department of Bioinformatics, Biocenter, University of Wurzburg, 97074 Wurzburg, Germany. bork@embl.de willem.devos@wur.nl sunagawa@embl.de.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27126044" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacteria/classification/isolation & purification ; Clostridium Infections/microbiology/*therapy ; *Fecal Microbiota Transplantation ; Feces/microbiology ; Gastrointestinal Microbiome/*physiology ; Humans ; Symbiosis ; Tissue Donors ; Transplantation, Homologous
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  • 89
    Publikationsdatum: 2016-04-02
    Beschreibung: The recent rapid spread of Zika virus and its unexpected linkage to birth defects and an autoimmune neurological syndrome have generated worldwide concern. Zika virus is a flavivirus like the dengue, yellow fever, and West Nile viruses. We present the 3.8 angstrom resolution structure of mature Zika virus, determined by cryo-electron microscopy (cryo-EM). The structure of Zika virus is similar to other known flavivirus structures, except for the ~10 amino acids that surround the Asn(154) glycosylation site in each of the 180 envelope glycoproteins that make up the icosahedral shell. The carbohydrate moiety associated with this residue, which is recognizable in the cryo-EM electron density, may function as an attachment site of the virus to host cells. This region varies not only among Zika virus strains but also in other flaviviruses, which suggests that differences in this region may influence virus transmission and disease.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4845755/" 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/PMC4845755/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sirohi, Devika -- Chen, Zhenguo -- Sun, Lei -- Klose, Thomas -- Pierson, Theodore C -- Rossmann, Michael G -- Kuhn, Richard J -- R01 AI073755/AI/NIAID NIH HHS/ -- R01 AI076331/AI/NIAID NIH HHS/ -- R01AI073755/AI/NIAID NIH HHS/ -- R01AI076331/AI/NIAID NIH HHS/ -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 22;352(6284):467-70. doi: 10.1126/science.aaf5316. Epub 2016 Mar 31.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Markey Center for Structural Biology and Purdue Institute for Inflammation, Immunology and Infectious Disease, Purdue University, West Lafayette, IN 47907, USA. ; Viral Pathogenesis Section, Laboratory of Viral Diseases, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD 20892, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27033547" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Amino Acid Sequence ; Cryoelectron Microscopy ; Glycosylation ; Humans ; Molecular Sequence Data ; Protein Structure, Tertiary ; Viral Envelope Proteins/chemistry/ultrastructure ; Viral Matrix Proteins/chemistry/ultrastructure ; Zika Virus/*chemistry/*ultrastructure
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  • 90
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-01-30
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):440-3. doi: 10.1126/science.351.6272.440.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823410" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Child ; Child, Preschool ; DNA Mutational Analysis ; DNA Repair/genetics ; Female ; *Genes, Neoplasm ; *Genetic Predisposition to Disease ; Humans ; Male ; Mutation ; Neoplasms/*genetics/mortality ; Pedigree ; Tumor Suppressor Protein p53/genetics
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  • 91
    Publikationsdatum: 2016-04-16
    Beschreibung: The nuclear pore complex (NPC) controls the transport of macromolecules between the nucleus and cytoplasm, but its molecular architecture has thus far remained poorly defined. We biochemically reconstituted NPC core protomers and elucidated the underlying protein-protein interaction network. Flexible linker sequences, rather than interactions between the structured core scaffold nucleoporins, mediate the assembly of the inner ring complex and its attachment to the NPC coat. X-ray crystallographic analysis of these scaffold nucleoporins revealed the molecular details of their interactions with the flexible linker sequences and enabled construction of full-length atomic structures. By docking these structures into the cryoelectron tomographic reconstruction of the intact human NPC and validating their placement with our nucleoporin interactome, we built a composite structure of the NPC symmetric core that contains ~320,000 residues and accounts for ~56 megadaltons of the NPC's structured mass. Our approach provides a paradigm for the structure determination of similarly complex macromolecular assemblies.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Lin, Daniel H -- Stuwe, Tobias -- Schilbach, Sandra -- Rundlet, Emily J -- Perriches, Thibaud -- Mobbs, George -- Fan, Yanbin -- Thierbach, Karsten -- Huber, Ferdinand M -- Collins, Leslie N -- Davenport, Andrew M -- Jeon, Young E -- Hoelz, Andre -- 5 T32 GM07616/GM/NIGMS NIH HHS/ -- ACB-12002/PHS HHS/ -- AGM-12006/PHS HHS/ -- R01 GM111461/GM/NIGMS NIH HHS/ -- R01-GM111461/GM/NIGMS NIH HHS/ -- T32 GM007616/GM/NIGMS NIH HHS/ -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):aaf1015. doi: 10.1126/science.aaf1015. Epub 2016 Apr 14.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA. ; Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 East California Boulevard, Pasadena, CA 91125, USA. hoelz@caltech.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081075" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Active Transport, Cell Nucleus ; Amino Acid Sequence ; Cryoelectron Microscopy ; Crystallography, X-Ray ; Cytoplasm/metabolism ; Electron Microscope Tomography ; Fungal Proteins/chemistry/genetics/metabolism ; Humans ; Molecular Sequence Data ; Nuclear Pore/chemistry/*metabolism/*ultrastructure ; Nuclear Pore Complex Proteins/chemistry/genetics/*metabolism ; *Protein Interaction Maps ; Protein Structure, Tertiary ; Protein Subunits/chemistry/genetics/metabolism
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  • 92
    Publikationsdatum: 2016-02-26
    Beschreibung: Many modern human genomes retain DNA inherited from interbreeding with archaic hominins, such as Neandertals, yet the influence of this admixture on human traits is largely unknown. We analyzed the contribution of common Neandertal variants to over 1000 electronic health record (EHR)-derived phenotypes in ~28,000 adults of European ancestry. We discovered and replicated associations of Neandertal alleles with neurological, psychiatric, immunological, and dermatological phenotypes. Neandertal alleles together explained a significant fraction of the variation in risk for depression and skin lesions resulting from sun exposure (actinic keratosis), and individual Neandertal alleles were significantly associated with specific human phenotypes, including hypercoagulation and tobacco use. Our results establish that archaic admixture influences disease risk in modern humans, provide hypotheses about the effects of hundreds of Neandertal haplotypes, and demonstrate the utility of EHR data in evolutionary analyses.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Simonti, Corinne N -- Vernot, Benjamin -- Bastarache, Lisa -- Bottinger, Erwin -- Carrell, David S -- Chisholm, Rex L -- Crosslin, David R -- Hebbring, Scott J -- Jarvik, Gail P -- Kullo, Iftikhar J -- Li, Rongling -- Pathak, Jyotishman -- Ritchie, Marylyn D -- Roden, Dan M -- Verma, Shefali S -- Tromp, Gerard -- Prato, Jeffrey D -- Bush, William S -- Akey, Joshua M -- Denny, Joshua C -- Capra, John A -- 1K22LM011938/LM/NLM NIH HHS/ -- 1R01GM114128/GM/NIGMS NIH HHS/ -- 5T32EY021453/EY/NEI NIH HHS/ -- R01GM110068/GM/NIGMS NIH HHS/ -- R01LM010685/LM/NLM NIH HHS/ -- U01HG004438/HG/NHGRI NIH HHS/ -- U01HG004608/HG/NHGRI NIH HHS/ -- U01HG004609/HG/NHGRI NIH HHS/ -- U01HG004610/HG/NHGRI NIH HHS/ -- U01HG006378/HG/NHGRI NIH HHS/ -- U01HG006379/HG/NHGRI NIH HHS/ -- U01HG006380/HG/NHGRI NIH HHS/ -- U01HG006382/HG/NHGRI NIH HHS/ -- U01HG006385/HG/NHGRI NIH HHS/ -- U01HG006388/HG/NHGRI NIH HHS/ -- U01HG006389/HG/NHGRI NIH HHS/ -- U01HG008657/HG/NHGRI NIH HHS/ -- U01HG04599/HG/NHGRI NIH HHS/ -- U01HG04603/HG/NHGRI NIH HHS/ -- New York, N.Y. -- Science. 2016 Feb 12;351(6274):737-41. doi: 10.1126/science.aad2149.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. ; Department of Genome Sciences, University of Washington, Seattle, WA, USA. ; Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. ; Mount Sinai School of Medicine, New York, NY, USA. ; Department of Medicine (Medical Genetics), University of Washington Medical Center, Seattle, WA, USA. ; Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. ; Department of Genome Sciences, University of Washington, Seattle, WA, USA. Department of Medicine (Medical Genetics), University of Washington Medical Center, Seattle, WA, USA. ; Center for Human Genetics, Marshfield Clinic, Marshfield, WI, USA. ; Division of Cardiovascular Diseases, Mayo Clinic, Rochester, MN, USA. ; Division of Genomic Medicine, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD, USA. ; Division of Health Sciences Research, Mayo Clinic, Rochester, MN, USA. ; Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA. Biomedical and Translational Informatics, Geisinger Health System, Danville, PA, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Medicine, Vanderbilt University, Nashville, TN, USA. Department of Pharmacology, Vanderbilt University, Nashville, TN, USA. ; Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, USA. ; Weis Center for Research, Geisinger Health System, Danville, PA, USA. Division of Molecular Biology and Human Genetics, Department of Biomedical Sciences, Faculty of Health Science, Stellenbosch University, Tygerberg, South Africa. ; Department of Epidemiology and Biostatistics, Case Western Reserve University, Cleveland, OH, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Medicine, Vanderbilt University, Nashville, TN, USA. ; Vanderbilt Genetics Institute, Vanderbilt University, Nashville, TN, USA. Department of Biomedical Informatics, Vanderbilt University, Nashville, TN, USA. Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA. Center for Quantitative Sciences, Vanderbilt University, Nashville, TN, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912863" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Alleles ; Animals ; Depression/genetics ; Disease/*genetics ; European Continental Ancestry Group/genetics ; Evolution, Molecular ; Genetic Variation ; Genome, Human ; Haplotypes ; Humans ; Keratosis, Actinic/genetics ; Neanderthals/*genetics ; Phenotype
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  • 93
    Publikationsdatum: 2016-02-27
    Beschreibung: Ebola virus disease in humans is highly lethal, with case fatality rates ranging from 25 to 90%. There is no licensed treatment or vaccine against the virus, underscoring the need for efficacious countermeasures. We ascertained that a human survivor of the 1995 Kikwit Ebola virus disease outbreak maintained circulating antibodies against the Ebola virus surface glycoprotein for more than a decade after infection. From this survivor we isolated monoclonal antibodies (mAbs) that neutralize recent and previous outbreak variants of Ebola virus and mediate antibody-dependent cell-mediated cytotoxicity in vitro. Strikingly, monotherapy with mAb114 protected macaques when given as late as 5 days after challenge. Treatment with a single human mAb suggests that a simplified therapeutic strategy for human Ebola infection may be possible.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Corti, Davide -- Misasi, John -- Mulangu, Sabue -- Stanley, Daphne A -- Kanekiyo, Masaru -- Wollen, Suzanne -- Ploquin, Aurelie -- Doria-Rose, Nicole A -- Staupe, Ryan P -- Bailey, Michael -- Shi, Wei -- Choe, Misook -- Marcus, Hadar -- Thompson, Emily A -- Cagigi, Alberto -- Silacci, Chiara -- Fernandez-Rodriguez, Blanca -- Perez, Laurent -- Sallusto, Federica -- Vanzetta, Fabrizia -- Agatic, Gloria -- Cameroni, Elisabetta -- Kisalu, Neville -- Gordon, Ingelise -- Ledgerwood, Julie E -- Mascola, John R -- Graham, Barney S -- Muyembe-Tamfun, Jean-Jacques -- Trefry, John C -- Lanzavecchia, Antonio -- Sullivan, Nancy J -- Intramural NIH HHS/ -- New York, N.Y. -- Science. 2016 Mar 18;351(6279):1339-42. doi: 10.1126/science.aad5224. Epub 2016 Feb 25.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute for Research in Biomedicine, Universita della Svizzera Italiana, CH-6500 Bellinzona, Switzerland. Humabs BioMed SA, 6500 Bellinzona, Switzerland. ; Vaccine Research Center, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA. ; U.S. Army Medical Research Institute of Infectious Diseases, Fort Detrick, MD 21702, USA. ; Institute for Research in Biomedicine, Universita della Svizzera Italiana, CH-6500 Bellinzona, Switzerland. ; Humabs BioMed SA, 6500 Bellinzona, Switzerland. ; National Institute for Biomedical Research, National Laboratory of Public Health, Kinshasa B.P. 1197, Democratic Republic of the Congo. ; Institute for Research in Biomedicine, Universita della Svizzera Italiana, CH-6500 Bellinzona, Switzerland. Institute of Microbiology, ETH Zurich, CH-8093 Zurich, Switzerland. ; Vaccine Research Center, National Institute of Allergy and Infectious Diseases, Bethesda, MD 20892, USA. njsull@mail.nih.gov.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26917593" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Adult ; Animals ; Antibodies, Monoclonal/*administration & dosage/immunology/isolation & ; purification ; Antibodies, Neutralizing/*administration & dosage/immunology/isolation & ; purification ; Antibodies, Viral/*administration & dosage/immunology/isolation & purification ; Clinical Trials as Topic ; Disease Outbreaks ; Ebolavirus/*immunology ; Female ; Hemorrhagic Fever, Ebola/epidemiology/*prevention & control ; Humans ; Macaca ; Male ; Molecular Sequence Data ; Survivors
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  • 94
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):284-7. doi: 10.1126/science.352.6283.284.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081051" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Clinical Trials as Topic ; Female ; Fetal Diseases/*prevention & control ; Humans ; Osteogenesis Imperfecta/*prevention & control ; Pregnancy ; *Stem Cell Transplantation ; *Stem Cells
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  • 95
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-29
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sommer, Morten O A -- Suess, Beatrix -- New York, N.Y. -- Science. 2016 Apr 8;352(6282):144-5. doi: 10.1126/science.aaf6189.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, DK-2970 Horsholm, Denmark. msom@bio.dtu.dk. ; Technische Universitat Darmstadt, 64287 Darmstadt, Germany.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27124438" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Drug Resistance, Bacterial/*genetics ; *Gene Expression Regulation, Bacterial ; Genome-Wide Association Study/*methods ; High-Throughput Nucleotide Sequencing/*methods ; Humans ; Riboswitch/*genetics ; *Transcription Termination, Genetic
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  • 96
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-04-16
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Apr 15;352(6283):286. doi: 10.1126/science.352.6283.286.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27081052" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Clinical Trials as Topic ; Female ; Fetal Growth Retardation/*therapy ; Gene Transfer Techniques ; Genetic Therapy/*methods ; Humans ; Placenta ; Pregnancy ; Uterine Artery ; Vascular Endothelial Growth Factor A/*genetics
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  • 97
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-12
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Couzin-Frankel, Jennifer -- New York, N.Y. -- Science. 2016 Mar 11;351(6278):1126. doi: 10.1126/science.351.6278.1126.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26965598" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Animals ; Cholesterol, HDL/*blood ; Coronary Disease/*blood/*genetics ; Female ; Humans ; Male ; Scavenger Receptors, Class B/*genetics
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    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
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  • 98
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-02-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Sood, Prashant -- New York, N.Y. -- Science. 2016 Feb 19;351(6275):825. doi: 10.1126/science.351.6275.825-c.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Institute of Medical Sciences, University of Aberdeen, Aberdeen City, AB25 2ZD, UK. drprashantsood@gmail.com.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26912887" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): *Cartoons as Topic ; Humans ; India ; *Physician-Patient Relations ; Students, Medical ; *Trust ; Vaccination/psychology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 99
    Publikationsdatum: 2016-01-30
    Beschreibung: Translated regions distinct from annotated coding sequences have emerged as essential elements of the proteome. This includes upstream open reading frames (uORFs) present in mRNAs controlled by the integrated stress response (ISR) that show "privileged" translation despite inhibited eukaryotic initiation factor 2-guanosine triphosphate-initiator methionyl transfer RNA (eIF2.GTP.Met-tRNA(i )(Met)). We developed tracing translation by T cells to directly measure the translation products of uORFs during the ISR. We identified signature translation events from uORFs in the 5' untranslated region of binding immunoglobulin protein (BiP) mRNA (also called heat shock 70-kilodalton protein 5 mRNA) that were not initiated at the start codon AUG. BiP expression during the ISR required both the alternative initiation factor eIF2A and non-AUG-initiated uORFs. We propose that persistent uORF translation, for a variety of chaperones, shelters select mRNAs from the ISR, while simultaneously generating peptides that could serve as major histocompatibility complex class I ligands, marking cells for recognition by the adaptive immune system.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Starck, Shelley R -- Tsai, Jordan C -- Chen, Keling -- Shodiya, Michael -- Wang, Lei -- Yahiro, Kinnosuke -- Martins-Green, Manuela -- Shastri, Nilabh -- Walter, Peter -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2016 Jan 29;351(6272):aad3867. doi: 10.1126/science.aad3867.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Biochemistry and Biophysics, Howard Hughes Medical Institute, University of California, San Francisco, CA 94143, USA. Division of Immunology and Pathogenesis, Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. shelley@walterlab.ucsf.edu nshastri@berkeley.edu peter@walterlab.ucsf.edu. ; Department of Biochemistry and Biophysics, Howard Hughes Medical Institute, University of California, San Francisco, CA 94143, USA. ; Division of Immunology and Pathogenesis, Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. ; Department of Cell Biology and Neuroscience, University of California, Riverside, CA 92521, USA. ; Departments of Molecular Infectiology, Graduate School of Medicine, Chiba University, Chiba, Japan. ; Division of Immunology and Pathogenesis, Department of Molecular and Cell Biology, University of California, Berkeley, CA 94720, USA. shelley@walterlab.ucsf.edu nshastri@berkeley.edu peter@walterlab.ucsf.edu. ; Department of Biochemistry and Biophysics, Howard Hughes Medical Institute, University of California, San Francisco, CA 94143, USA. shelley@walterlab.ucsf.edu nshastri@berkeley.edu peter@walterlab.ucsf.edu.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/26823435" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): 5' Untranslated Regions/*genetics ; Cell Tracking ; Codon, Initiator/genetics ; Eukaryotic Initiation Factor-2/metabolism ; Heat-Shock Proteins/*biosynthesis/genetics ; Humans ; Open Reading Frames/genetics ; Protein Biosynthesis/*genetics ; RNA, Messenger/*genetics ; Stress, Physiological/*genetics ; T-Lymphocytes/metabolism/microbiology/physiology
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 100
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    Unbekannt
    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2016-03-26
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Curry, Andrew -- New York, N.Y. -- Science. 2016 Mar 25;351(6280):1384-9. doi: 10.1126/science.351.6280.1384.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/27013711" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bone and Bones/*injuries ; Germany ; History, Ancient ; Humans ; Military Personnel/*history ; Oceans and Seas ; Rivers ; Skull/injuries ; Violence/*history ; *Warfare ; Weapons/*history
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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