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首页> 外文期刊>Microbial Pathogenesis >Q-SNARE protein FgSyn8 plays important role in growth, DON production and pathogenicity of Fusarium graminearum
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Q-SNARE protein FgSyn8 plays important role in growth, DON production and pathogenicity of Fusarium graminearum

机译：Q-Snare蛋白FGSyn8在镰刀酸纤维素的生长，唐生产和致病性中起着重要作用

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摘要

SNAREs (Soluble N-ethylmaleimide-sensitive factor attachment protein receptors) help intracellular vesicle trafficking and membrane fusion among eukaryotes. They are vital for growth and development of phyto-pathogenic fungi such as Fusarium graminearum which causes Fusarium Head Blight (FHB) of wheat and barley. The SNARE protein Syn8 and its homologues play many roles among different organisms. Here, we have characterized FgSyn8 in F. graminearum as a homologue of Syn8. We have integrated biochemical, microbiological and molecular genetic approaches to investigate the roles of this protein. Our results reveal that FgSyn8 is indispensable for normal vegetative growth, conidiation, conidial morphology and pathogenicity of F. graminearum. Deoxynivalenol (DON) biochemical assay reveals active participation of this protein in DON production of F. graminearum. This has further been confirmed by the production of bulbous structures among the intercalary hyphae. FgSyn8 mutant strain produced defects in perithecia formation which portrays its role in sexual reproduction. In summary, our results support that the SNARE protein FgSyn8 is required for vegetative growth, sexual reproduction, DON production and pathogenicity of F. graminearum.
机译：Snares（可溶性N-乙基马来酰亚胺敏感因子附着蛋白受体）帮助细胞内囊泡贩运和真核生物之间的膜融合。它们对植物致病性真菌的生长和发展至关重要，例如镰刀酸镰刀菌，这导致小麦和大麦的镰刀菌头枯萎（FHB）。陷阱蛋白SYN8及其同源物在不同的生物中起着许多作用。在这里，我们在F. Graminearum中的特征是FGSyn8作为SYN8的同源物。我们具有综合生化，微生物和分子遗传学方法来研究该蛋白质的作用。我们的研究结果表明，FGSyn8对于F.Graminearum的正常营养生长，共分，分析形态和致病性是必不可少的。脱氧性苯酚（Don）生化测定揭示该蛋白质在唐生产F. Graminearum中的积极参与。这进一步得到了中产阶级菌丝中的球根结构的确认。 FGSyn8突变菌株在终结性形成中产生了缺陷，其在性繁殖中描绘了其作用。总之，我们的结果支持培养蛋白FGSyn8是植物生长，性繁殖，甘草原的性繁殖，唐生产和致病性。

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