植食性昆虫适应植物防御反应的研究进展

在植物与植食性昆虫协同进化过程中,植物在不断完善其防御反应,同时植食性昆虫也在选择压下不断适应植物防御反应。植食性昆虫适应植物防御反应存在多样性。昆虫能够利用其唾液中的效应因子抑制或弱化植物防御反应,激活其肠道中的某些特异性蛋白阻断植物防御性次生代谢物的产生或者将其直接降解,以及通过其携带微生物间接抑制植物防御反应。此外,昆虫还能够通过产卵、虫害诱导植物挥发物、识别植物防御物质等方式适应植物的防御反应。本文综述了植食性昆虫如何利用各种效应因子适应寄主植物防御反应的研究进展。

Advances in the adaption to plant defenses in phytophagous insects

In the process of co-evolution between plants and phytophagous insects, plants are selected to optimize their defenses, whereas phytophagous insects are selected to develop diverse traits to adapt to plant defenses in turn. The adaption to plant defenses in phytophagous insects exhibits diversity. Insects can exploit the effectors from their oral secretions to inhibit or impair plant defenses, activate some proteins that are specifically expressed in their guts to inhibit the production of defensive metabolites or directly degrade defensive metabolites, and employ microbes that they harbored to indirectly suppress plant defenses. In addition, insects also can adapt to plant defenses with other behavioral or physiological traits, including oviposition, insect-induced plant volatiles, and recognition of defensive metabolites. In this article, we reviewed the research progress on how insects exploit diverse effectors that they harbored to adapt to plant defenses.