Drivers of Microbiome Biodiversity: A Review of General Rules, Feces, and Ignorance.
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TLDR
It is demonstrated that both diet and body size affect diversity in the gut but that gut physiology (fermenter versus simple) is the most important driver.Abstract:
The alpha diversity of ecologic communities is affected by many biotic and abiotic drivers and, in turn, affects ecosystem functioning. Yet, patterns of alpha diversity in host-associated microbial communities (microbiomes) are poorly studied and the appropriateness of general theory is untested. Expanding diversity theory to include microbiomes is essential as diversity is a frequently cited metric of their status. Here, we review and newly analyze reports of alpha diversity for animal gut microbiomes. We demonstrate that both diet and body size affect diversity in the gut but that gut physiology (fermenter versus simple) is the most important driver. We also assess the advantages of various diversity metrics. The importance of diversity in microbiomes is often assumed but has not been tested outright. Therefore, we close by discussing how to integrate microbiomes into the field of biodiversity-ecosystem functioning to more clearly understand when and why a host supports diverse microbial communities.read more
Citations
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References
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Structure, function and diversity of the healthy human microbiome
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TL;DR: The Human Microbiome Project Consortium reported the first results of their analysis of microbial communities from distinct, clinically relevant body habitats in a human cohort; the insights into the microbial communities of a healthy population lay foundations for future exploration of the epidemiology, ecology and translational applications of the human microbiome as discussed by the authors.
Journal Article
Structure, function and diversity of the healthy human microbiome
Curtis Huttenhower,Dirk Gevers,Rob Knight,Sahar Abubucker,Jonathan H. Badger,Asif T. Chinwalla,Heather Huot Creasy,Ashlee M. Earl,Michael Fitzgerald,Robert S. Fulton,Michelle G. Giglio,Kymberlie Hallsworth-Pepin,Elizabeth A. Lobos,Ramana Madupu,Vincent Magrini,John Martin,Makedonka Mitreva,Donna M. Muzny,Erica Sodergren,James Versalovic,Aye Wollam,Kim C. Worley,Jennifer R. Wortman,Sarah Young,Qiandong Zeng,Kjersti Aagaard,Olukemi O. Abolude,Emma Allen-Vercoe,Eric J. Alm,Lucia Alvarado,Gary L. Andersen,Scott Anderson,Elizabeth L. Appelbaum,Harindra Arachchi,Gary C. Armitage,Cesar Arze,Tulin Ayvaz,Carl C. Baker,Lisa Begg,Tsegahiwot Belachew,Veena Bhonagiri,Monika Bihan,Martin J. Blaser,Toby Bloom,Vivien Bonazzi,J. Paul Brooks,Gregory A. Buck,Christian J. Buhay,Dana A. Busam,Joseph L. Campbell,Shane Canon,Brandi L. Cantarel,Patrick S. G. Chain,I-Min A. Chen,Lei Chen,Shaila Chhibba,Ken Chu,Dawn Ciulla,Jose C. Clemente,Sandra W. Clifton,Sean Conlan,Jonathan Crabtree,Mary A. Cutting,Noam J. Davidovics,Catherine C. Davis,Todd Z. DeSantis,Carolyn Deal,Kimberley D. Delehaunty,Floyd E. Dewhirst,Elena Deych,Yan Ding,David J. Dooling,Shannon Dugan,Wm. Michael Dunne,A. Scott Durkin,Robert C. Edgar,Rachel L. Erlich,Candace N. Farmer,Ruth M. Farrell,Karoline Faust,Michael Feldgarden,Victor Felix,Sheila A. Fisher,Anthony A. Fodor,Larry J. Forney,Leslie Foster,Valentina Di Francesco,Jonathan Friedman,Dennis C. Friedrich,Catrina Fronick,Lucinda Fulton,Hongyu Gao,Nathalia Garcia,Georgia Giannoukos,Christina Giblin,Maria Y. Giovanni,Jonathan M. Goldberg,Johannes B. Goll,Antonio Gonzalez,Allison D. Griggs,Sharvari Gujja,Susan Kinder Haake,Brian J. Haas,Holli A. Hamilton,Emily L. Harris,Theresa A. Hepburn,Brandi Herter,Diane E. Hoffmann,Michael Holder,Clinton Howarth,Katherine H. Huang,Susan M. Huse,Jacques Izard,Janet K. Jansson,Huaiyang Jiang,Craig T. Jordan,Vandita Joshi,James A. Katancik,Wendy A. Keitel,Scott T. Kelley,Cristyn Kells,Nicholas B. King,Dan Knights,Heidi H. Kong,Omry Koren,Sergey Koren,Karthik Kota,Christie Kovar,Nikos C. Kyrpides,Patricio S. La Rosa,Sandra L. Lee,Katherine P. Lemon,Niall J. Lennon,Cecil M. Lewis,Lora Lewis,Ruth E. Ley,Kelvin Li,Konstantinos Liolios,Bo Liu,Yue Liu,Chien-Chi Lo,Catherine A. Lozupone,R. Dwayne Lunsford,Tessa Madden,Anup Mahurkar,Peter J. Mannon,Elaine R. Mardis,Victor M. Markowitz,Konstantinos Mavromatis,Jamison McCorrison,Daniel McDonald,Jean E. McEwen,Amy L. McGuire,Pamela McInnes,Teena Mehta,Kathie A. Mihindukulasuriya,Jason R. Miller,Patrick Minx,Irene Newsham,Chad Nusbaum,Michelle O'Laughlin,Joshua Orvis,Ioanna Pagani,Krishna Palaniappan,Shital M. Patel,Matthew D. Pearson,Jane Peterson,Mircea Podar,Craig Pohl,Katherine S. Pollard,Mihai Pop,Margaret Priest,Lita M. Proctor,Xiang Qin,Jeroen Raes,Jacques Ravel,Jeffrey G. Reid,Mina Rho,Rosamond Rhodes,Kevin Riehle,Maria C. Rivera,Beltran Rodriguez-Mueller,Yu-Hui Rogers,Matthew C. Ross,Carsten Russ,Ravi Sanka,Pamela Sankar,J. Fah Sathirapongsasuti,Jeffery A. Schloss,Patrick D. Schloss,Thomas M. Schmidt,Matthew B. Scholz,Lynn M. Schriml,Alyxandria M. Schubert,Nicola Segata,Julia A. Segre,William D. Shannon,Richard R. Sharp,Thomas J. Sharpton,Narmada Shenoy,Nihar U. Sheth,Gina A. Simone,Indresh Singh,Christopher Smillie,Jack D. Sobel,Daniel D. Sommer,Paul Spicer,Granger G. Sutton,Sean M. Sykes,Diana Tabbaa,Mathangi Thiagarajan,Chad Tomlinson,Manolito Torralba,Todd J. Treangen,Rebecca Truty,Tatiana A. Vishnivetskaya,Jason Walker,Lu Wang,Zhengyuan Wang,Doyle V. Ward,Wesley C. Warren,Mark A. Watson,Christopher Wellington,Kris A. Wetterstrand,James R. White,Katarzyna Wilczek-Boney,Yuanqing Wu,Kristine M. Wylie,Todd Wylie,Chandri N. Yandava,Liang Ye,Yuzhen Ye,Shibu Yooseph,Bonnie P. Youmans,Lan Zhang,Yanjiao Zhou,Yiming Zhu,Laurie Zoloth,Jeremy Zucker,Bruce W. Birren,Richard A. Gibbs,Sarah K. Highlander,Barbara A. Methé,Karen E. Nelson,Joseph F. Petrosino,George M. Weinstock,Richard K. Wilson,Owen White +247 more
TL;DR: The Human Microbiome Project has analysed the largest cohort and set of distinct, clinically relevant body habitats so far, finding the diversity and abundance of each habitat’s signature microbes to vary widely even among healthy subjects, with strong niche specialization both within and among individuals.
Journal ArticleDOI
Host-Bacterial Mutualism in the Human Intestine
TL;DR: New studies are revealing how the gut microbiota has coevolved with us and how it manipulates and complements the authors' biology in ways that are mutually beneficial.
Journal ArticleDOI
Estimating Terrestrial Biodiversity through Extrapolation
TL;DR: The importance of using 'reference' sites to assess the true richness and composition of species assemblages, to measure ecologically significant ratios between unrelated taxa, toMeasure taxon/sub-taxon (hierarchical) ratios, and to 'calibrate' standardized sampling methods is discussed.
Journal ArticleDOI
Recognition of Commensal Microflora by Toll-Like Receptors Is Required for Intestinal Homeostasis
Seth Rakoff-Nahoum,Justin C. Paglino,Fatima Eslami-Varzaneh,Stephen C. Edberg,Ruslan Medzhitov +4 more
TL;DR: It is shown that commensal bacteria are recognized by TLRs under normal steady-state conditions, and this interaction plays a crucial role in the maintenance of intestinal epithelial homeostasis and protection from injury.
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