Molecular effects of resistance elicitors from biological origin and their potential for crop protection.
Molecular effects of resistance elicitors from biological origin and their potential for crop protection.
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DOI：
10.3389/fpls.2014.00655
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发表时间：
2014
影响因子：
5.6
通讯作者：
Hein I
中科院分区：
文献类型：
--
作者：
Wiesel L;Newton AC;Elliott I;Booty D;Gilroy EM;Birch PR;Hein I
植物含有一个复杂的先天免疫网络，以防止病原微生物获得营养和殖民化的内部结构。第一层诱导反应是由植物在感知微生物或修饰的植物衍生分子后控制的。由于这些分子的感知导致植物响应，可以提供对非适应性病原体的有效抗性，因此它们也可以被描述为“防御激发子”。在相容的植物/微生物相互作用中，适应的微生物具有避免或禁用这种抗性反应并提高毒力的手段。然而，这需要入侵病原体的详细空间和时间响应。在农业实践中，在不存在病原体的情况下用分离的防御激发子处理植物可以通过将防御激活与病原体毒力决定因子的作用解偶联来促进植物抗性。植物对植物、细菌、卵菌或真菌衍生的激发子的反应并非在所有情况下都是普遍的，在农业应用之前需要阐明。这篇评论提供了一个概述目前已知的生物而不是合成来源的激发子，并把它们的活动到分子背景。
Plants contain a sophisticated innate immune network to prevent pathogenic microbes from gaining access to nutrients and from colonizing internal structures. The first layer of inducible response is governed by the plant following the perception of microbe- or modified plant-derived molecules. As the perception of these molecules results in a plant response that can provide efficient resistance toward non-adapted pathogens they can also be described as “defense elicitors.” In compatible plant/microbe interactions, adapted microorganisms have means to avoid or disable this resistance response and promote virulence. However, this requires a detailed spatial and temporal response from the invading pathogens. In agricultural practice, treating plants with isolated defense elicitors in the absence of pathogens can promote plant resistance by uncoupling defense activation from the effects of pathogen virulence determinants. The plant responses to plant, bacterial, oomycete, or fungal-derived elicitors are not, in all cases, universal and need elucidating prior to the application in agriculture. This review provides an overview of currently known elicitors of biological rather than synthetic origin and places their activity into a molecular context.
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