Abstract:
:Sclerotinia sclerotiorum is a necrotrophic plant-pathogenic fungus that infects more than 400 species of plants. In this study the nascent polypeptide-associated complex α subunit gene of S. sclerotiorum (SsNACα; accession No. XP_001593856.1) was cloned and characterized. The relative transcript expression of SsNACα at different morphological stages of asexual development of S. sclerotiorum were analyzed by quantitative real time PCR (qRT-PCR). RNAi-mediated gene silencing was successful for SsNACα, and the mutated strains exhibited less than 15% of the relative expression of SsNACα were obtained and used for studying the biological functions of the gene. A delay in sclerotial maturation for S. sclerotiorum was observed in the SsNACα mutants. The significant elevations for both the activities of pectin-degrading enzymes and the expression of polygalacturonase genes also were associated with the mutated strains, indicating that SsNACα could negatively influence polygalacturonases expression and modulate the pathogenicity of S. sclerotiorum.
journal_name
Mycologiajournal_title
Mycologiaauthors
Li X,Guo M,Xu D,Chen F,Zhang H,Pan Y,Li M,Gao Zdoi
10.3852/14-250subject
Has Abstractpub_date
2015-11-01 00:00:00pages
1130-7issue
6eissn
0027-5514issn
1557-2536pii
14-250journal_volume
107pub_type
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