Detoxification of cruciferous phytoalexins in Botrytis cinerea: Spontaneous dimerization of a camalexin metabolite
作者:M. Soledade C. Pedras、Sajjad Hossain、Ryan B. Snitynsky
DOI:10.1016/j.phytochem.2010.11.018
日期:2011.2
end, the inhibitory activities and metabolism of the cruciferous phytoalexins camalexin, brassinin, cyclobrassinin, and brassilexin by the phytopathogenic fungus Botrytis cinerea Pers. (teleomorph: Botryotinia fuckeliana) was investigated. Brassilexin was the most antifungal of the phytoalexins, followed by camalexin, cyclobrassinin and brassinin. Although B. cinerea is a species phylogenetically related
植物病原真菌能够通过酶介导的解毒反应克服植物化学防御。由于这种解毒作用,植物会迅速耗尽其最重要的抗真菌代谢物,并可能屈服于病原体的攻击。了解和预测植物病原真菌利用的这种解毒途径可能会导致控制植物病原体的方法。为此,植物病原真菌 Botrytis cinerea Pers 对十字花科植物抗毒素 camalexin、芸苔素、环芸苔素和芸苔素的抑制活性和代谢进行了研究。(teleomorph: Botryotinia fuckeliana) 进行了调查。Brassilexin 是植物抗真菌素中最具抗真菌性的,其次是camalexin、环芸苔素和芸苔素。虽然 B。cinerea 是一种与植物病原真菌 Sclerotinia sclerotiorum (Lib) de Bary 系统发育相关的物种,与 S. sclerotiorum 相反,通过氧化降解或水解而不是通过糖基化发生强抗真菌植物抗毒素的解毒,这表明不涉及葡萄糖基转移酶。发现了