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- Title
组蛋白去乙酰化酶 CfSnt2 调控果生刺盘孢生长发 育和致病力.
- Authors
陈振宏; 李河; 陈嘉怡; 陈晓迪; 罗晶; 张盛培
- Abstract
Anthracnose is one of the most important diseases occurring on Camellia oleifera. The dominant pathogen causing the disease is Colletotrichum fructicola which is common in C. oleifera producing areas all over the country. Previous study recognized that the histone acetyltransferase CfGcn5 regulated growth, development and pathogenicity of C. fructicola, but the functions of histone deacetylases remain unknown. In this study, the reverse genetics method was adopted to comparatively analyze the biological phenotypes of wide-type, CfSNT2 gene knockout mutant and its complementary strains of C. fructicola. It was found that the CfSNT2 gene knockout mutant showed decrement of mycelial growth rate, and conidial and appressorial formation rate, and abnormal response to cell wall integrity stress agents, resulting in decrease of pathogenicity to C. oleifera. The findings show that CfSnt2 regulates the mycelial growth, conidial and appressorial formation, tolerance to cell wall integrity stress agents, and pathogenicity of C. fructicola.
- Subjects
HISTONE acetyltransferase; GENE knockout; REVERSE genetics; CAMELLIA oleifera; DEACETYLASES
- Publication
Mycosystema, 2022, Vol 41, Issue 6, p926
- ISSN
1672-6472
- Publication type
Article
- DOI
10.13346/j.mycosystema.210364