期刊
FUNGAL GENETICS AND BIOLOGY
卷 50, 期 -, 页码 63-71出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.fgb.2012.10.003
关键词
Botrytis cinerea; Conidiation; Melanin; Velvet-like gene; Virulence
资金
- National Key Basic Research and Development Program [2012CB114004]
- National Science Foundation of China [30971933, 31171881]
- Special Program for Agricultural Research [200903052]
The heterotrimeric velvet complex VeA/VelB/LaeA is involved in the regulation of diverse cellular processes in Aspergillus nidulans. In this work, we investigated functions of two velvet-like genes BcVEA and BcVELB in Botrytis cinerea. Morphological characterization of BcVEA and BcVELB deletion mutants showed that the deletion of BcVEA and BcVELB led to increased conidiation and melanin biosynthesis. BcVEA and BcVELB deletion mutants also showed increased sensitivity to oxidative stress. Pathogenicity assays revealed that both BcVeA and BcVelB were essential for full virulence of B. cinerea. Yeast two-hybrid assay displayed the interaction of BcVeA with BcVelB. Results of this study indicate that BcVeA and BcVelB coordinate similar processes in the regulation of fungal development, oxidative stress response, and virulence in B. cinerea. (C) 2012 Elsevier Inc. All rights reserved.
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