The Subunit Nto1 of the NuA3 Complex Is Associated with Conidiation, Oxidative Stress Response, and Pathogenicity in Fusarium oxysporum
HORTICULTURAE(2022)
摘要
Fusarium oxysporum f. sp. conglutinans (FOC) is the dominant pathogen of vascular wilt disease on cabbage and other crucifers. Foc-Nto1 was confirmed to be the homologous protein of Nto1, a subunit of the NuA3 (nucleosomal acetyltransferase of histone H3) complex in Saccharomyces cerevisiae. FOC contains two races, race 1 and race 2. The functions of Nto1 in both races were investigated through functional genetics analyses. The Nto1-deleted mutants were decreased in conidium production and displayed increased sensitivity to hydrogen peroxide. These mutants also had reduced virulence on cabbage. The study provided evidence that Nto1 is a potential metabolic- and pathogenic-related factor in F. oxysporum.
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关键词
Fusarium oxysporum, Nto1, gene deletion, pathogenicity
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