A proper PiCAT2 level is critical for sporulation, sporangium function, and pathogenicity of Phytophthora infestans.

ABSTRACT: Catalase is present in prokaryotic and eukaryotic organisms and is important for the protective effects of the antioxidant system against free radicals. Many studies have confirmed that catalase is required for the growth, development, and pathogenesis of bacteria, plants, animals, and fungi. However, there has been relatively little research on the catalases in oomycetes, which form an important group of fungus-like eukaryotes that produce zoosporangia. In this study, we detected two Phytophthora infestans genes encoding catalases, but only PiCAT2 exhibited catalase activity in the sporulation stage and was highly produced during asexual reproduction and in the late infection stage. Compared with the wild-type strain, the PiCAT2-silenced P. infestans transformants were more sensitive to a

SUBMITTER: Wang TH 

PROVIDER: S-EPMC7060140 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature