Opposing roles of plant laticifer cells in the resistance to insect herbivores and fungal pathogens
作者机构：Instituto de Biología Moleculary Celular de PlantasUniversitat Politécnica de Valéncia-C.S.I.CCiudad Politécnica de la InnovaciònEdificio 8EIngeniero Fausto Elios/n46022 ValenciaSpain Universitat Jaume IDepartament de Ciéncies Agráries i del Medi NaturalCampus del Riu Sec12003 Castellòde la PlanaSpain
出 版 物：《Plant Communications》 (植物通讯（英文）)
年 卷 期：2021年第2卷第3期
页 面：93-104页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 071009[理学-细胞生物学]
基 金：supported by a grant from the Agencia Estatal de Investigaciòn(AEI) Spain(RTI2018-098501-B-I00)
主 题：latex Euphorbia lathyris disease resistance disease susceptibility plant defense
摘 要：More than 12,000 plant species(ca.10%of flowering plants)exude latex when their tissues are *** is produced and stored in specialized cells named“laticifers.Laticifers form a tubing system composed of rows of elongated cells that branch and create an internal network encompassing the entire *** constitute a recent evolutionary achievement in ecophysiological adaptation to specific natural environments;however,their fitness benefit to the plant still remains to be *** identification of Euphorbia lathyris mutants(pil mutants)deficient in laticifer cells or latex metabolism,and therefore compromised in latex production,allowed us to test the importance of laticifers in pest *** provided genetic evidence indicating that laticifers represent a cellular adaptation for an essential defense strategy to fend off arthropod herbivores with different feeding habits,such as Spodoptera exigua and Tetranychus *** marked contrast,we also discovered that a lack of laticifer cells causes complete resistance to the fungal pathogen Botrytis ***,a latex-derived factor required for conidia germination on the leaf surface was *** factor promoted disease susceptibility enhancement even in the non-latex-bearing plant *** speculate on the role of laticifers in the coevolutionary arms race between plants and their enemies.
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