ODwyerKembelGreen2012

Référence

O'Dwyer, J.P., Kembel, S.W. and Green, J.L. (2012) Phylogenetic Diversity Theory Sheds Light on the Structure of Microbial Communities. PLoS Computational Biology, 8(12):e1002832. (Scopus )

Résumé

Microbial communities are typically large, diverse, and complex, and identifying and understanding the processes driving their structure has implications ranging from ecosystem stability to human health and well-being. Phylogenetic data gives us a new insight into these processes, providing a more informative perspective on functional and trait diversity than taxonomic richness alone. But the sheer scale of high resolution phylogenetic data also presents a new challenge to ecological theory. We bring a sampling theory perspective to microbial communities, considering a local community of co-occuring organisms as a sample from a larger regional pool, and apply our framework to make analytical predictions for local phylogenetic diversity arising from a given metacommunity and community assembly process. We characterize community assembly in terms of quantitative descriptions of clustered, random and overdispersed sampling, which have been associated with hypotheses of environmental filtering and competition. Using our approach, we analyze large microbial communities from the human microbiome, uncovering significant variation in diversity across habitats relative to the null hypothesis of random sampling. © 2012 O'Dwyer et al.

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@ARTICLE { ODwyerKembelGreen2012,
    AUTHOR = { O'Dwyer, J.P. and Kembel, S.W. and Green, J.L. },
    TITLE = { Phylogenetic Diversity Theory Sheds Light on the Structure of Microbial Communities },
    JOURNAL = { PLoS Computational Biology },
    YEAR = { 2012 },
    VOLUME = { 8 },
    PAGES = { e1002832 },
    NUMBER = { 12 },
    ABSTRACT = { Microbial communities are typically large, diverse, and complex, and identifying and understanding the processes driving their structure has implications ranging from ecosystem stability to human health and well-being. Phylogenetic data gives us a new insight into these processes, providing a more informative perspective on functional and trait diversity than taxonomic richness alone. But the sheer scale of high resolution phylogenetic data also presents a new challenge to ecological theory. We bring a sampling theory perspective to microbial communities, considering a local community of co-occuring organisms as a sample from a larger regional pool, and apply our framework to make analytical predictions for local phylogenetic diversity arising from a given metacommunity and community assembly process. We characterize community assembly in terms of quantitative descriptions of clustered, random and overdispersed sampling, which have been associated with hypotheses of environmental filtering and competition. Using our approach, we analyze large microbial communities from the human microbiome, uncovering significant variation in diversity across habitats relative to the null hypothesis of random sampling. © 2012 O'Dwyer et al. },
    COMMENT = { Export Date: 22 January 2013 Source: Scopus Art. No.: e1002832 doi: 10.1371/journal.pcbi.1002832 },
    ISSN = { 1553734X (ISSN) },
    OWNER = { Luc },
    TIMESTAMP = { 2013.01.22 },
    URL = { http://www.scopus.com/inward/record.url?eid=2-s2.0-84872038980&partnerID=40&md5=50b813a578186619e947d7aa023cd43f },
}

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