Vitamin B12 as a modulator of gut microbial ecology.
Vitamin B12 as a modulator of gut microbial ecology.
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DOI:
10.1016/j.cmet.2014.10.002
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发表时间:
2014-11-04
期刊:
影响因子:
29
通讯作者:
Goodman AL
中科院分区:
文献类型:
--
作者:
Degnan PH;Taga ME;Goodman AL
The microbial mechanisms and key metabolites that shape the composition of the human gut microbiota are largely unknown, impeding efforts to manipulate dysbiotic microbial communities towards stability and health. Vitamins, which by definition are not synthesized in sufficient quantities by the host and can mediate fundamental biological processes in microbes, represent an attractive target for reshaping microbial communities. Here, we discuss how vitamin B12 (cobalamin) impacts diverse host-microbe symbioses. Although cobalamin is synthesized by some human gut microbes, it is a precious resource in the gut and is likely not provisioned to the host in significant quantities. However, this vitamin may make an unrecognized contribution in shaping the structure and function of human gut microbial communities.
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