互惠主义(生物学)
植物群落
生物
生态学
微生物种群生物学
植物生态学
社区
人口
微生物生态学
生态系统
生态演替
细菌
遗传学
社会学
人口学
作者
James D. Bever,Thomas G. Platt,Elise R. Morton
出处
期刊:Annual Review of Microbiology
[Annual Reviews]
日期:2012-10-13
卷期号:66 (1): 265-283
被引量:410
标识
DOI:10.1146/annurev-micro-092611-150107
摘要
The composition of the soil microbial community can be altered dramatically due to association with individual plant species, and these effects on the microbial community can have important feedbacks on plant ecology. Negative plant-soil feedback plays primary roles in maintaining plant community diversity, whereas positive plant-soil feedback may cause community conversion. Host-specific differentiation of the microbial community results from the trade-offs associated with overcoming plant defense and the specific benefits associated with plant rewards. Accumulation of host-specific pathogens likely generates negative feedback on the plant, while changes in the density of microbial mutualists likely generate positive feedback. However, the competitive dynamics among microbes depends on the multidimensional costs of virulence and mutualism, the fine-scale spatial structure within plant roots, and active plant allocation and localized defense. Because of this, incorporating a full view of microbial dynamics is essential to explaining the dynamics of plant-soil feedbacks and therefore plant community ecology.
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