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  • General relativity, alternative theories of gravity  (3)
  • Young Adult  (3)
  • 1
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    Human gut microbiome viewed across age and geography (2012)
    Nature Publishing Group (NPG)
    Details
    Publication Date: 2012-06-16
    Description: Gut microbial communities represent one source of human genetic and metabolic diversity. To examine how gut microbiomes differ among human populations, here we characterize bacterial species in fecal samples from 531 individuals, plus the gene content of 110 of them. The cohort encompassed healthy children and adults from the Amazonas of Venezuela, rural Malawi and US metropolitan areas and included mono- and dizygotic twins. Shared features of the functional maturation of the gut microbiome were identified during the first three years of life in all three populations, including age-associated changes in the genes involved in vitamin biosynthesis and metabolism. Pronounced differences in bacterial assemblages and functional gene repertoires were noted between US residents and those in the other two countries. These distinctive features are evident in early infancy as well as adulthood. Our findings underscore the need to consider the microbiome when evaluating human development, nutritional needs, physiological variations and the impact of westernization.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3376388/" 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/PMC3376388/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Yatsunenko, Tanya -- Rey, Federico E -- Manary, Mark J -- Trehan, Indi -- Dominguez-Bello, Maria Gloria -- Contreras, Monica -- Magris, Magda -- Hidalgo, Glida -- Baldassano, Robert N -- Anokhin, Andrey P -- Heath, Andrew C -- Warner, Barbara -- Reeder, Jens -- Kuczynski, Justin -- Caporaso, J Gregory -- Lozupone, Catherine A -- Lauber, Christian -- Clemente, Jose Carlos -- Knights, Dan -- Knight, Rob -- Gordon, Jeffrey I -- DK078669/DK/NIDDK NIH HHS/ -- K01 DK090285/DK/NIDDK NIH HHS/ -- K05 AA017688/AA/NIAAA NIH HHS/ -- P01 DK078669/DK/NIDDK NIH HHS/ -- P01 DK078669-05/DK/NIDDK NIH HHS/ -- T32 HD049338-06/HD/NICHD NIH HHS/ -- T32-HD049338/HD/NICHD NIH HHS/ -- Howard Hughes Medical Institute/ -- England -- Nature. 2012 May 9;486(7402):222-7. doi: 10.1038/nature11053.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St Louis, Missouri 63108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22699611" target="_blank"〉PubMed〈/a〉
    Keywords: Adolescent ; Adult ; Age Factors ; Aged ; Bacteria/*classification/*genetics ; *Biodiversity ; Child ; Child, Preschool ; Feces/microbiology ; Female ; Geography ; Humans ; Infant ; Intestines/*microbiology ; Malawi ; Male ; *Metagenome ; Middle Aged ; Phylogeny ; RNA, Ribosomal, 16S/genetics ; Twins, Dizygotic ; Twins, Monozygotic ; United States ; Venezuela ; Young Adult
    Print ISSN: 0028-0836
    Electronic ISSN: 1476-4687
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Published by Nature Publishing Group (NPG)
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  • 2
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    Spectrum of the Laplace-Beltrami operator and the phase structure of causal dynamical triangulations (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-06-13
    Description: Author(s): Giuseppe Clemente and Massimo D’Elia We propose a new method to characterize the different phases observed in the nonperturbative numerical approach to quantum gravity known as causal dynamical triangulations. The method is based on the analysis of the eigenvalues and the eigenvectors of the Laplace-Beltrami operator computed on the tr... [Phys. Rev. D 97, 124022] Published Tue Jun 12, 2018
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 3
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    Gut microbiota from twins discordant for obesity modulate metabolism in mice (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-09-07
    Description: The role of specific gut microbes in shaping body composition remains unclear. We transplanted fecal microbiota from adult female twin pairs discordant for obesity into germ-free mice fed low-fat mouse chow, as well as diets representing different levels of saturated fat and fruit and vegetable consumption typical of the U.S. diet. Increased total body and fat mass, as well as obesity-associated metabolic phenotypes, were transmissible with uncultured fecal communities and with their corresponding fecal bacterial culture collections. Cohousing mice harboring an obese twin's microbiota (Ob) with mice containing the lean co-twin's microbiota (Ln) prevented the development of increased body mass and obesity-associated metabolic phenotypes in Ob cage mates. Rescue correlated with invasion of specific members of Bacteroidetes from the Ln microbiota into Ob microbiota and was diet-dependent. These findings reveal transmissible, rapid, and modifiable effects of diet-by-microbiota interactions.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3829625/" 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/PMC3829625/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ridaura, Vanessa K -- Faith, Jeremiah J -- Rey, Federico E -- Cheng, Jiye -- Duncan, Alexis E -- Kau, Andrew L -- Griffin, Nicholas W -- Lombard, Vincent -- Henrissat, Bernard -- Bain, James R -- Muehlbauer, Michael J -- Ilkayeva, Olga -- Semenkovich, Clay F -- Funai, Katsuhiko -- Hayashi, David K -- Lyle, Barbara J -- Martini, Margaret C -- Ursell, Luke K -- Clemente, Jose C -- Van Treuren, William -- Walters, William A -- Knight, Rob -- Newgard, Christopher B -- Heath, Andrew C -- Gordon, Jeffrey I -- DK078669/DK/NIDDK NIH HHS/ -- DK58398/DK/NIDDK NIH HHS/ -- DK70977/DK/NIDDK NIH HHS/ -- F32 DK091044/DK/NIDDK NIH HHS/ -- K01 DK095774/DK/NIDDK NIH HHS/ -- K05 AA017688/AA/NIAAA NIH HHS/ -- P01 DK078669/DK/NIDDK NIH HHS/ -- P30 AG028716/AG/NIA NIH HHS/ -- P30 DK020579/DK/NIDDK NIH HHS/ -- P30 DK056341/DK/NIDDK NIH HHS/ -- P30-AG028716/AG/NIA NIH HHS/ -- R01 DK070977/DK/NIDDK NIH HHS/ -- R01 DK076729/DK/NIDDK NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Sep 6;341(6150):1241214. doi: 10.1126/science.1241214.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/24009397" target="_blank"〉PubMed〈/a〉
    Keywords: *Adiposity ; Adult ; Animals ; Bacteroidetes/genetics/*physiology ; Cecum/metabolism/microbiology ; Diet, Fat-Restricted ; Feces/microbiology ; Female ; Gastrointestinal Tract/*microbiology ; Germ-Free Life ; Humans ; Metabolome ; Metagenome/genetics/*physiology ; Mice ; Mice, Inbred C57BL ; Mice, Obese ; Obesity/genetics/*metabolism ; Thinness/microbiology ; Twins ; Weight Gain ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    The long-term stability of the human gut microbiota (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-06
    Description: A low-error 16S ribosomal RNA amplicon sequencing method, in combination with whole-genome sequencing of 〉500 cultured isolates, was used to characterize bacterial strain composition in the fecal microbiota of 37 U.S. adults sampled for up to 5 years. Microbiota stability followed a power-law function, which when extrapolated suggests that most strains in an individual are residents for decades. Shared strains were recovered from family members but not from unrelated individuals. Sampling of individuals who consumed a monotonous liquid diet for up to 32 weeks indicated that changes in strain composition were better predicted by changes in weight than by differences in sampling interval. This combination of stability and responsiveness to physiologic change confirms the potential of the gut microbiota as a diagnostic tool and therapeutic target.〈br /〉〈br /〉〈a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3791589/" 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/PMC3791589/" target="_blank"〉This paper as free author manuscript - peer-reviewed and accepted for publication〈/a〉〈br /〉〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Faith, Jeremiah J -- Guruge, Janaki L -- Charbonneau, Mark -- Subramanian, Sathish -- Seedorf, Henning -- Goodman, Andrew L -- Clemente, Jose C -- Knight, Rob -- Heath, Andrew C -- Leibel, Rudolph L -- Rosenbaum, Michael -- Gordon, Jeffrey I -- DK078669/DK/NIDDK NIH HHS/ -- DK30292/DK/NIDDK NIH HHS/ -- DK64774/DK/NIDDK NIH HHS/ -- DK70977/DK/NIDDK NIH HHS/ -- K05 AA017688/AA/NIAAA NIH HHS/ -- P01 DK078669/DK/NIDDK NIH HHS/ -- P30 DK026687/DK/NIDDK NIH HHS/ -- P60 DK020541/DK/NIDDK NIH HHS/ -- R01 DK064773/DK/NIDDK NIH HHS/ -- R01 DK070977/DK/NIDDK NIH HHS/ -- R37 DK030292/DK/NIDDK NIH HHS/ -- UL1TR000040/TR/NCATS NIH HHS/ -- Howard Hughes Medical Institute/ -- New York, N.Y. -- Science. 2013 Jul 5;341(6141):1237439. doi: 10.1126/science.1237439.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Center for Genome Sciences and Systems Biology, Washington University School of Medicine, St. Louis, MO 63108, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23828941" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Bacteria/classification/genetics/isolation & purification ; Body Composition ; Caloric Restriction ; Family ; Feces/microbiology ; Female ; Gastrointestinal Tract/*microbiology ; Genome, Bacterial/genetics ; Genomic Instability ; Humans ; Male ; *Metagenome ; Models, Biological ; RNA, Ribosomal, 16S/genetics ; Sequence Analysis, DNA ; Time Factors ; Weight Loss ; Young Adult
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Puncture black hole initial data: A single domain Galerkin-collocation method for trumpet and wormhole data sets (2017)
    American Physical Society (APS)
    Details
    Publication Date: 2017-07-25
    Description: Author(s): P. C. M. Clemente and H. P. de Oliveira We present a single-domain Galerkin-collocation method to calculate puncture initial data sets for single and binary black holes, either in the trumpet or wormhole geometries. The combination of aspects belonging to the Galerkin and the collocation methods together with the adoption of spherical coo... [Phys. Rev. D 96, 024035] Published Mon Jul 24, 2017
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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  • 6
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    Galerkin-collocation domain decomposition method for arbitrary binary black holes (2018)
    American Physical Society (APS)
    Details
    Publication Date: 2018-05-22
    Description: Author(s): W. Barreto, P. C. M. Clemente, H. P. de Oliveira, and B. Rodriguez-Mueller We present a new computational framework for the Galerkin-collocation method for double domain in the context of ADM 3 + 1 approach in numerical relativity. This work enables us to perform high resolution calculations for initial sets of two arbitrary black holes. We use the Bowen-York method for bina... [Phys. Rev. D 97, 104035] Published Mon May 21, 2018
    Keywords: General relativity, alternative theories of gravity
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
    Published by American Physical Society (APS)
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