Evolution and stability of complex microbial communities driven by trade-offs.

IF 8.5 1区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Molecular Systems Biology Pub Date : 2024-09-01 Epub Date: 2024-07-03 DOI:10.1038/s44320-024-00051-8
Yanqing Huang, Avik Mukherjee, Severin Schink, Nina Catherine Benites, Markus Basan
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引用次数: 0

Abstract

Microbial communities are ubiquitous in nature and play an important role in ecology and human health. Cross-feeding is thought to be core to microbial communities, though it remains unclear precisely why it emerges. Why have multi-species microbial communities evolved in many contexts and what protects microbial consortia from invasion? Here, we review recent insights into the emergence and stability of coexistence in microbial communities. A particular focus is the long-term evolutionary stability of coexistence, as observed for microbial communities that spontaneously evolved in the E. coli long-term evolution experiment (LTEE). We analyze these findings in the context of recent work on trade-offs between competing microbial objectives, which can constitute a mechanistic basis for the emergence of coexistence. Coexisting communities, rather than monocultures of the 'fittest' single strain, can form stable endpoints of evolutionary trajectories. Hence, the emergence of coexistence might be an obligatory outcome in the evolution of microbial communities. This implies that rather than embodying fragile metastable configurations, some microbial communities can constitute formidable ecosystems that are difficult to disrupt.

权衡利弊驱动复杂微生物群落的进化和稳定。
微生物群落在自然界中无处不在,在生态学和人类健康中发挥着重要作用。交叉取食被认为是微生物群落的核心,但交叉取食出现的确切原因仍不清楚。为什么多物种微生物群落会在许多情况下进化,是什么保护了微生物联合体免受入侵?在此,我们回顾了最近对微生物群落共存的出现和稳定性的见解。一个特别的重点是共存的长期进化稳定性,正如在大肠杆菌长期进化实验(LTEE)中自发进化的微生物群落所观察到的那样。我们结合最近关于相互竞争的微生物目标之间权衡的研究成果分析了这些发现,这些研究成果可以构成共存出现的机理基础。共存群落,而不是 "最合适 "的单一菌株的单一培养,可以形成进化轨迹的稳定终点。因此,共存的出现可能是微生物群落进化的必然结果。这意味着,一些微生物群落不是脆弱的易变构型,而是可以构成难以破坏的强大生态系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Molecular Systems Biology
Molecular Systems Biology 生物-生化与分子生物学
CiteScore
18.50
自引率
1.00%
发文量
62
审稿时长
6-12 weeks
期刊介绍: Systems biology is a field that aims to understand complex biological systems by studying their components and how they interact. It is an integrative discipline that seeks to explain the properties and behavior of these systems. Molecular Systems Biology is a scholarly journal that publishes top-notch research in the areas of systems biology, synthetic biology, and systems medicine. It is an open access journal, meaning that its content is freely available to readers, and it is peer-reviewed to ensure the quality of the published work.
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