Microbiota-activated PPAR-γ signaling inhibits dysbiotic Enterobacteriaceae expansion.
Microbiota-activated PPAR-γ signaling inhibits dysbiotic Enterobacteriaceae expansion.
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DOI:
10.1126/science.aam9949
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发表时间:
2017-08-11
期刊:
影响因子:
--
通讯作者:
Bäumler AJ
中科院分区:
文献类型:
--
作者:
Byndloss MX;Olsan EE;Rivera-Chávez F;Tiffany CR;Cevallos SA;Lokken KL;Torres TP;Byndloss AJ;Faber F;Gao Y;Litvak Y;Lopez CA;Xu G;Napoli E;Giulivi C;Tsolis RM;Revzin A;Lebrilla CB;Bäumler AJ
Perturbation of the gut-associated microbial community may underlie many human illnesses, but the mechanisms that maintain homeostasis are poorly understood. We found depletion of butyrate-producing microbes by antibiotic treatment reduced epithelial signaling through the intracellular butyrate sensor PPAR-γ. Nitrate levels increased in the colonic lumen because epithelial expression of Nos2, the gene encoding inducible nitric oxide synthase (iNOS) was elevated in the absence of PPAR-γ-signaling. Microbiota-induced PPAR-γ-signaling also limits the luminal bioavailability of oxygen by driving the energy metabolism of colonic epithelial cells (colonocytes) towards β-oxidation. Therefore, microbiota-activated PPAR-γ-signaling is a homeostatic pathway that prevents a dysbiotic expansion of potentially pathogenic Escherichia and Salmonella by reducing the bioavailability of respiratory electron acceptors to Enterobacteriaceae in the lumen of the colon.
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影响因子:
30.3
作者:
Kelly CJ;Zheng L;Campbell EL;Saeedi B;Scholz CC;Bayless AJ;Wilson KE;Glover LE;Kominsky DJ;Magnuson A;Weir TL;Ehrentraut SF;Pickel C;Kuhn KA;Lanis JM;Nguyen V;Taylor CT;Colgan SP
通讯作者:
Colgan SP
影响因子:
29
作者:
Donohoe DR;Garge N;Zhang X;Sun W;O'Connell TM;Bunger MK;Bultman SJ
通讯作者:
Bultman SJ
DOI:
10.1126/science.1198469
发表时间:
2011-01-21
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Atarashi K;Tanoue T;Shima T;Imaoka A;Kuwahara T;Momose Y;Cheng G;Yamasaki S;Saito T;Ohba Y;Taniguchi T;Takeda K;Hori S;Ivanov II;Umesaki Y;Itoh K;Honda K
通讯作者:
Honda K
影响因子:
32.4
作者:
Singh N;Gurav A;Sivaprakasam S;Brady E;Padia R;Shi H;Thangaraju M;Prasad PD;Manicassamy S;Munn DH;Lee JR;Offermanns S;Ganapathy V
通讯作者:
Ganapathy V
DOI:
10.1073/pnas.0905745107
发表时间:
2010-05-11
影响因子:
11.1
作者:
Peyrin-Biroulet, Laurent;Beisner, Julia;Chamaillard, Mathias
通讯作者:
Chamaillard, Mathias