Defensive mutualisms: do microbial interactions within hosts drive the evolution of defensive traits?
Defensive mutualisms: do microbial interactions within hosts drive the evolution of defensive traits?
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DOI：
10.1111/1365-2435.12166
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发表时间：
2014-04-01
影响因子：
5.2
通讯作者：
Nelson, Paul
中科院分区：
文献类型：
--
作者：
May, Georgiana;Nelson, Paul
1. 我们研究了理论和实证结果，以确定微生物与微生物相互作用在防御性状进化中的重要性。2．理论模型表明，多物种相互作用中寄生进化和互利共生的维持将取决于与宿主以及防御性共生体的相互作用。3．在群落层面，防御性状的选择会随着生态环境的不同而有很大差异，这种时空变化本身可能会稳定防御性互利共生。4．对植物宿主内真菌内生菌的研究表明，作为防御性互利共生体的内生菌可能从寄生虫和宿主中获得适应性益处，并表明宿主内共生共生体之间的相互作用可能导致毒力的进化。
1. We examine theoretical and empirical results to determine the importance of microbe-microbe interactions in the evolution of defensive traits.2. Theoretical models show that the evolution of parasitism and the maintenance of mutualisms in multispecies interactions will depend on interactions with the host as well as with the defensive symbionts.3. At the community level, selection for defensive traits will vary greatly with ecological context and such spatial or temporal variation itself may stabilize defensive mutualisms.4. Studies of fungal endophytes within plant hosts demonstrate that endophytes acting as defensive mutualists may derive fitness benefits from the parasite as well as the host and suggest that interactions between co-occurring symbionts within hosts may lead to the evolution of virulence.