白领1光感受器在尖孢镰刀菌类胡萝卜素合成、抗紫外线能力、疏水性及毒力中的作用
Role of the white collar 1 photoreceptor in carotenogenesis, UV resistance, hydrophobicity, and virulence of Fusarium oxysporum.
作者信息
Ruiz-Roldán M Carmen, Garre Victoriano, Guarro Josep, Mariné Marçal, Roncero M Isabel G
机构信息
Departamento de Genética, Universidad de Córdoba, Edificio Gregor Mendel, Campus de Rabanales, E14071 Córdoba, Spain.
出版信息
Eukaryot Cell. 2008 Jul;7(7):1227-30. doi: 10.1128/EC.00072-08. Epub 2008 May 23.
Abstract
Knockout mutants of Fusarium oxysporum lacking the putative photoreceptor Wc1 were impaired in aerial hyphae, surface hydrophobicity, light-induced carotenogenesis, photoreactivation after UV treatment, and upregulation of photolyase gene transcription. Infection experiments with tomato plants and immunodepressed mice revealed that Wc1 is dispensable for pathogenicity on plants but required for full virulence on mammals.
摘要
缺乏假定光感受器Wc1的尖孢镰刀菌基因敲除突变体在气生菌丝、表面疏水性、光诱导类胡萝卜素生成、紫外线处理后的光复活以及光解酶基因转录上调方面存在缺陷。对番茄植株和免疫抑制小鼠进行的感染实验表明，Wc1对于植物致病性并非必需，但对哺乳动物的完全毒力却是必需的。
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