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《Molecular Plant Breeding》 2018-03
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Functional analysis of APSES Transcription Factor Fol Stu A in Fusarium oxysporum f. sp. lycopersici

Zhou Xin;Yun Yingzi;Guo Pusheng;Wu Kaili;Chen Weizhong;Li Jiangjiang;Zhou Xiaoli;College of Plant Protection, Fujian Agriculture and Forestry University;  
The APSES transcription factors is highly conserved in ascomycetes. Among them, StuA, a typical member plays a vital role in vegetative growth, sporulation and secondary metabolism. Tomato vascular wilt disease which is caused by F. oxysporum f. sp. lycopersiciis(Fol), has become serious threat to tomato production especially for protected cultivation. We analysed the biological function of FolStuA in Fol through gene knock out method. The gene expression level of FolSTUA in conidia was highest, but it decreased in the early infection stage.By comparing phenotypes of wild type, FolSTUA gene knock-out mutant and the complementary stain, we found that FolStuA localized to nucleus and regulated different biology processes including vegetative growth,development of microconidia, hyphae fusion and pathogenicity. However, the homologue of StuA did not affect reproduction of microconidia and disease-causing ability in F. oxysporum f. sp. melonis. Our study indicates functional diversities of StuA homologues existed among different F. oxysporum formae speciales.
【Fund】: 福建省自然科学基金(2016J01113);; 福建省教育厅中青年教师教育科研项目(JAT160178);; 福建农林大学植物保护学院青年教师科研基金项目(KJd16036A)共同资助
【CateGory Index】: S436.412
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