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FgCsn12 Is Involved in the Regulation of Ascosporogenesis in the Wheat Scab Fungus Fusarium graminearum

Jiang, Hang ; Zhang, Yuhan ; Wang, Wanshan ; Cao, Xinyu ; Xu, Huaijian ; Liu, Huiquan ; Qi, Junshan ; Jiang, Cong ; Wang, Chenfang

International journal of molecular sciences, 2022-09, Vol.23 (18), p.10445 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
FgCsn12 Is Involved in the Regulation of Ascosporogenesis in the Wheat Scab Fungus Fusarium graminearum
Autor: Jiang, Hang ; Zhang, Yuhan ; Wang, Wanshan ; Cao, Xinyu ; Xu, Huaijian ; Liu, Huiquan ; Qi, Junshan ; Jiang, Cong ; Wang, Chenfang
Assuntos: ascospore ; Ascospores ; Asexual reproduction ; Cell cycle ; COP9 signalosome complex ; crop disease ; Cyclin-dependent kinases ; Deletion mutant ; Fusarium graminearum ; Fusarium head blight ; Genes ; Genomes ; Growth rate ; Infections ; Inoculum ; Kinases ; Morphology ; Mutants ; Pathogenicity ; phytopathogenic fungus ; Proteins ; Reproduction (biology) ; Sexual reproduction ; Virulence ; Wheat scab ; Yeast
É parte de: International journal of molecular sciences, 2022-09, Vol.23 (18), p.10445
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These authors contributed equally to this work.
Descrição: Fusarium head blight (FHB), caused by the fungal pathogen Fusarium graminearum, is a destructive disease worldwide. Ascospores are the primary inoculum of F. graminearum, and sexual reproduction is a critical step in its infection cycle. In this study, we characterized the functions of FgCsn12. Although the ortholog of FgCsn12 in budding yeast was reported to have a direct interaction with Csn5, which served as the core subunit of the COP9 signalosome, the interaction between FgCsn12 and FgCsn5 was not detected through the yeast two-hybrid assay. The deletion of FgCSN12 resulted in slight defects in the growth rate, conidial morphology, and pathogenicity. Instead of forming four-celled, uninucleate ascospores, the Fgcsn12 deletion mutant produced oval ascospores with only one or two cells and was significantly defective in ascospore discharge. The 3′UTR of FgCsn12 was dispensable for vegetative growth but essential for sexual reproductive functions. Compared with those of the wild type, 1204 genes and 2240 genes were up- and downregulated over twofold, respectively, in the Fgcsn12 mutant. Taken together, FgCsn12 demonstrated an important function in the regulation of ascosporogenesis in F. graminearum.
Editor: Basel: MDPI AG
Idioma: Inglês

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FgCsn12 Is Involved in the Regulation of Ascosporogenesis in the Wheat Scab Fungus Fusarium graminearum

Jiang, Hang ; Zhang, Yuhan ; Wang, Wanshan ; Cao, Xinyu ; Xu, Huaijian ; Liu, Huiquan ; Qi, Junshan ; Jiang, Cong ; Wang, Chenfang

Basel: MDPI AG

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