生物
微生物群
生态学
疾病
词根(语言学)
生物逆境
植物生长
植物
非生物胁迫
生物信息学
语言学
生物化学
医学
基因
哲学
病理
作者
Stephen A. Rolfe,Joseph Griffiths,Jurriaan Ton
标识
DOI:10.1016/j.mib.2019.10.003
摘要
Plants employ immunological and ecological strategies to resist biotic stress. Recent evidence suggests that plants adapt to biotic stress by changing their root exudation chemistry to assemble health-promoting microbiomes. This so-called ‘cry-for-help’ hypothesis provides a mechanistic explanation for previously characterized soil feedback responses to plant disease, such as the development of disease-suppressing soils upon successive cultivations of take all-infected wheat. Here, we divide the hypothesis into individual stages and evaluate the evidence for each component. We review how plant immune responses modify root exudation chemistry, as well as what impact this has on microbial activities, and the subsequent plant responses to these activities. Finally, we review the ecological relevance of the interaction, along with its translational potential for future crop protection strategies.
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