Oxygen and Metabolism: Digesting Determinants of Antibiotic Susceptibility in the Gut.

Oxygen and Metabolism: Digesting Determinants of Antibiotic Susceptibility in the Gut.
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氧气和代谢:肠道中抗生素易感性的消化决定因素。

DOI:
10.1016/j.isci.2020.101875
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发表时间:
2020-12-18
期刊:
影响因子:
5.8
通讯作者:
Belenky P
Belenky P
中科院分区:
综合性期刊2区
文献类型:
--
作者:
Heinzinger LR;Johnson A;Wurster JI;Nilson R;Penumutchu S;Belenky P

文献摘要

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微生物代谢是抗生素敏感性的主要决定因素。改变代谢的环境条件,特别是氧的可用性和氧化还原电位,可以直接微调对抗生素的敏感性。尽管如此,相对较少的研究讨论了胃肠道内的这些修饰及其对体内药物活性和抗生素在肠道中的脱靶效应的影响。在这篇综述中,我们讨论了胃肠道的环境和生物地理复杂性,包括氧可用性和氧化还原电位,以及肠道微栖息地的异质性如何改变体内抗生素的活性。我们将当前关于氧气可用性和抗生素疗效的文献置于背景下,并讨论经验性治疗。最后,我们讨论了抗生素活性的预测模式,在突出的微生物群分类,肠道异质性,氧可用性和多微生物相互作用。我们还提出了额外的工作,以充分阐明氧代谢对肠道抗生素敏感性的作用。微生物;微生物的代谢
Microbial metabolism is a major determinant of antibiotic susceptibility. Environmental conditions that modify metabolism, notably oxygen availability and redox potential, can directly fine-tune susceptibility to antibiotics. Despite this, relatively few studies have discussed these modifications within the gastrointestinal tract and their implication on in vivo drug activity and the off-target effects of antibiotics in the gut. In this review, we discuss the environmental and biogeographical complexity of the gastrointestinal tract in regard to oxygen availability and redox potential, addressing how the heterogeneity of gut microhabitats may modify antibiotic activity in vivo. We contextualize the current literature surrounding oxygen availability and antibiotic efficacy and discuss empirical treatments. We end by discussing predicted patterns of antibiotic activity in prominent microbiome taxa, given gut heterogeneity, oxygen availability, and polymicrobial interactions. We also propose additional work required to fully elucidate the role of oxygen metabolism on antibiotic susceptibility in the context of the gut. Microbiome; Microbial Metabolism
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