Collective antibiotic resistance: mechanisms and implications.

Collective antibiotic resistance: mechanisms and implications.
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DOI:
10.1016/j.mib.2014.09.003
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发表时间:
2014-10
影响因子:
5.4
通讯作者:
Gore J
Gore J
中科院分区:
生物学2区
文献类型:
--
作者:
Vega NM;Gore J

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在集体抵抗中,微生物群落能够在对单个细胞致命的抗生素暴露中存活下来。在这篇综述中,我们探讨了了解细菌集体耐药性的最新进展。已经描述了在具有协同抗生素灭活的系统中“欺骗”的群体动力学,提供了对决定细菌中抗性等位基因频率的人口统计学因素的深入了解。大量的工作已经阐明了生物膜中集体抗性的机制,并解决了有关这些结构中合作作用的问题。此外,最近的调查“赌注对冲”策略在细菌中探索的贡献的随机性和调节细菌表型异质性,并检查这些策略对社区生存的影响。
In collective resistance, microbial communities are able to survive antibiotic exposures that would be lethal to individual cells. In this review, we explore recent advances in understanding collective resistance in bacteria. The population dynamics of “cheating” in a system with cooperative antibiotic inactivation have been described, providing insight into the demographic factors that determine resistance allele frequency in bacteria. Extensive work has elucidated mechanisms underlying collective resistance in biofilms and addressed questions about the role of cooperation in these structures. Additionally, recent investigations of “bet-hedging” strategies in bacteria have explored the contributions of stochasticity and regulation to bacterial phenotypic heterogeneity and examined the effects of these strategies on community survival.
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