Altering the intestinal microbiota during a critical developmental window has lasting metabolic consequences.

Altering the intestinal microbiota during a critical developmental window has lasting metabolic consequences.
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DOI:
10.1016/j.cell.2014.05.052
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发表时间:
2014-08-14
期刊:
影响因子:
64.5
通讯作者:
Blaser MJ
Blaser MJ
中科院分区:
生物学1区
文献类型:
--
作者:
Cox LM;Yamanishi S;Sohn J;Alekseyenko AV;Leung JM;Cho I;Kim SG;Li H;Gao Z;Mahana D;Zárate Rodriguez JG;Rogers AB;Robine N;Loke P;Blaser MJ

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Acquisition of the intestinal microbiota begins at birth and a stable microbial community develops from a succession of key organisms. Disruption of the microbiota during maturation by low-dose antibiotic exposure can alter host metabolism and adiposity. We now show that low-dose penicillin (LDP), delivered from birth, induces metabolic alterations and affects ileal expression of genes involved in immunity. LDP that is limited to early life transiently perturbs the microbiota, which is sufficient to induce sustained effects on body composition, indicating that microbiota interactions in infancy may be critical determinants of long-term host metabolic effects. In addition, LDP enhances the effect of high-fat diet induced obesity. The growth promotion phenotype is transferrable to germ-free hosts by LDP-selected microbiota, showing that the altered microbiota, not antibiotics per se, play a causal role. These studies characterize important variables in early-life microbe-host metabolic interaction, and identify several taxa consistently linked with metabolic alterations.
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