Department of Plant Molecular Biology, University of Lausanne, Biophore Building, 1015 Lausanne, Switzerland.
Curr Opin Biotechnol. 2021 Aug;70:143-150. doi: 10.1016/j.copbio.2021.04.004. Epub 2021 May 20.
Plants have the ability to detect and respond to biotic stresses. They contain pattern recognition receptors (PRRs) that specifically recognize conserved molecules from their enemies and activate immune responses. In this review, I discuss recent efforts to discover PRRs for herbivory-associated cues that originate from oral secretions, eggs, damaged plant cells or secondary endogenous signals. Although several potential PRRs have been identified and shown to confer resistance to insects, proof of direct binding to a ligand is scarce and there are still many uncharacterized ligand-receptor pairs. However, several studies suggest that, like for microbial pathogens, plants use similar PRR complexes to detect herbivory.
植物具有检测和响应生物胁迫的能力。它们包含模式识别受体（PRRs），这些受体能够特异性识别来自其敌人的保守分子，并激活免疫反应。在这篇综述中，我讨论了最近发现与取食相关线索的 PRRs 的努力，这些线索源自口腔分泌物、卵、受损植物细胞或内源性的次级信号。尽管已经鉴定出几个潜在的 PRR 并证明它们可以赋予昆虫抗性，但直接与配体结合的证据很少，并且仍然有许多未被描述的配体-受体对。然而，一些研究表明，与微生物病原体一样，植物使用类似的 PRR 复合物来检测取食。
