GrainGenes Reference Report: FMS-362:9
Reference
FMS-362:9
Title
Characterization of mating-type loci in rice false smut fungus Villosiclava virens
Journal
FEMS Microbiology Letters
Year
2015
Volume
362:9
Author
[ Hide all but 1 of 8 ] Yu J Sun W Yu M Yin X Meng X Zhao J Huang L Liu Y
Abstract
Ascospores of Villosiclava virens are a primary infection source of rice false smut. This phytopathogenic fungus exists in heterothallic form, and mating compatibility is regulated by mating-type locus 1 (MAT1). However, the MAT1 locus structure remains unknown. The MAT1-1 and MAT1-2 idiomorphs of V. virens were characterized and annotated on the basis of cDNA sequencing. A multiplex polymerase chain reaction (PCR) method was developed to identify the mating types of hyphae and sclerotia. The MAT1-1 locus of V. virens contains three mating-type genes: MAT1-1-1, MAT1-1-2 and MAT1-1-3, and a pseudogene similar to MAT1-2-1. The MAT1-2 locus harbors the MAT1-2-1 gene and a new mating-type gene MAT1-2-8. The mRNA of MAT1-1-1, MAT1-1-3 and MAT1-2-1, but not MAT1-1-2, was detectible by reverse transcription PCR in vegetative mycelia. However, the mRNA of MAT1-1-2 was detectible in the stroma, which is a sexual reproduction structure of V. virens. A multiplex PCR detection method was developed for the identification of the MAT1-1 and MAT1-2 idiomorphs. All 20 wild-type strains harbored either the MAT1-1 or MAT1-2 idiomorphs. Sclerotia that harbored both the MAT1-1 and MAT1-2 idiomorphs had potential to form fertile stromata, whereas those that harbored only the MAT1-1 idiomorph could not form mature stromata.
External Databases
https://doi.org/10.1093/femsle/fnv014
GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture.
GrainGenes Reference Report: FMS-362:9
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GrainGenes is a product of the Agricultural Research Service of the US Department of Agriculture. | |||