The human microbiome encodes resistance to the antidiabetic drug acarbose.
The human microbiome encodes resistance to the antidiabetic drug acarbose.
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DOI:
10.1038/s41586-021-04091-0
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发表时间:
2021-12
期刊:
影响因子:
64.8
通讯作者:
中科院分区:
文献类型:
--
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The human microbiome encodes a large repertoire of biochemical enzymes and pathways, most of which remain uncharacterized. Here, using a metagenomics-based search strategy, we discovered that bacterial members of the human gut and oral microbiome encode enzymes that selectively phosphorylate a clinically used antidiabetic drug, acarbose, resulting in its inactivation. Acarbose is an inhibitor of both human and bacterial α-glucosidases, limiting the ability of the target organism to metabolize complex carbohydrates. Using biochemical assays, X-ray crystallography and metagenomic analyses, we show that microbiome-derived acarbose kinases are specific for acarbose, provide their harbouring organism with a protective advantage against the activity of acarbose, and are widespread in the microbiomes of western and non-western human populations. These results provide an example of widespread microbiome resistance to a non-antibiotic drug, and suggest that acarbose resistance has disseminated in the human microbiome as a defensive strategy against a potential endogenous producer of a closely related molecule.
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通讯作者:
Kyrpides NC
DOI:
10.1107/s0907444904019158
发表时间:
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通讯作者:
Cowtan, K
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Kleerebezem M