Document Detail


NADH: flavin oxidoreductase/NADH oxidase and ROS regulate microsclerotium development in Nomuraea rileyi.
MedLine Citation:
PMID:  24497186     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Based on transcriptome library, an NADH: flavinoxidore ductase/NADH oxidase gene (Nox) was cloned from Nomuraea rileyi. The 1,663-bp full-length cDNA contains an open reading frame of 1,233 bp coding 410 amino acids. The expression level of Nox was up-regulated and co-related to the intracellular H2O2 concentration during microsclerotium (MS) initiation. Rotenone inhibition showed that inhibition of Nox could cause a noticeable decrease in the MS yields. Silencing of Nox resulted in the MS yields, H2O2 and virulence decreased by 98.5, 38 and 21.5 %, respectively. On the other hand, MS yields increased by 24.8-61 % when induced by H2O2 or menadione. Furthermore, the reactive oxygen species (ROS) scavenger, ascorbic acid (up to 0.03 g ascorbic acid l(-1)), completely inhibited the formation of MS. In conclusion, the results obtained suggested that ROS promoted MS development, and that Nox was required for MS differentiation through regulation of intracellular H2O2 concentration. Besides, Nox had a great impact on the virulence in N. rileyi.
Authors:
Juanjuan Liu; Youping Yin; Zhangyong Song; Yan Li; Shasha Jiang; Changwen Shao; Zhongkang Wang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-2-5
Journal Detail:
Title:  World journal of microbiology & biotechnology     Volume:  -     ISSN:  1573-0972     ISO Abbreviation:  World J. Microbiol. Biotechnol.     Publication Date:  2014 Feb 
Date Detail:
Created Date:  2014-2-5     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9012472     Medline TA:  World J Microbiol Biotechnol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
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