Growth dynamics of gut microbiota in health and disease inferred from single metagenomic samples.

Growth dynamics of gut microbiota in health and disease inferred from single metagenomic samples.
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DOI:
10.1126/science.aac4812
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发表时间:
2015-09-04
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Segal E
Segal E
中科院分区:
其他
文献类型:
--
作者:
Korem T;Zeevi D;Suez J;Weinberger A;Avnit-Sagi T;Pompan-Lotan M;Matot E;Jona G;Harmelin A;Cohen N;Sirota-Madi A;Thaiss CA;Pevsner-Fischer M;Sorek R;Xavier R;Elinav E;Segal E

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Metagenomic sequencing increased our understanding of the role of the microbiome in health and disease, yet it only provides a snapshot of a highly dynamic ecosystem. Here, we show that the pattern of metagenomic sequencing read coverage for different microbial genomes contains a single trough and a single peak, the latter coinciding with the bacterial origin of replication. Furthermore, the ratio of sequencing coverage between the peak and trough provides a quantitative measure of a species' growth rate. We demonstrate this in vitro and in vivo, under different growth conditions, and in complex bacterial communities. For several bacterial species, peak to trough coverage ratios, but not relative abundances, correlated with the manifestation of inflammatory bowel disease and type II diabetes.
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