Retrograde trafficking from the endosome to the trans-Golgi network mediated by the retromer is required for fungal development and pathogenicity in Fusarium graminearum

© 2016 The Authors. New Phytologist © 2016 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1990. - 210(2016), 4 vom: 07. Juni, Seite 1327-43
1. Verfasser: Zheng, Wenhui (VerfasserIn)
Weitere Verfasser: Zheng, Huawei, Zhao, Xu, Zhang, Ying, Xie, Qiurong, Lin, Xiaolian, Chen, Ahai, Yu, Wenying, Lu, Guodong, Shim, Won-Bo, Zhou, Jie, Wang, Zonghua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't FgVps35 Fusarium graminearum pathogenicity retrograde trafficking retromer Vesicular Transport Proteins
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520 |a In eukaryotes, the retromer is an endosome-localized complex involved in protein retrograde transport. However, the role of such intracellular trafficking events in pathogenic fungal development and pathogenicity remains unclear. The role of the retromer complex in Fusarium graminearum was investigated using cell biological and genetic methods. We observed the retromer core component FgVps35 (Vacuolar Protein Sorting 35) in the cytoplasm as fast-moving puncta. FgVps35-GFP co-localized with both early and late endosomes, and associated with the trans-Golgi network (TGN), suggesting that FgVps35 functions at the donor endosome membrane to mediate TGN trafficking. Disruption of microtubules with nocodazole significantly restricted the transportation of FgVps35-GFP and resulted in severe germination and growth defects. Mutation of FgVPS35 not only mimicked growth defects induced by pharmacological treatment, but also affected conidiation, ascospore formation and pathogenicity. Using yeast two-hybrid assays, we determined the interactions among FgVps35, FgVps26, FgVps29, FgVps17 and FgVps5 which are analogous to the yeast retromer complex components. Deletion of any one of these genes resulted in similar phenotypic defects to those of the ΔFgvps35 mutant and disrupted the stability of the complex. Overall, our results provide the first clear evidence of linkage between the retrograde transport mediated by the retromer complex and virulence in F. graminearum 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a FgVps35 
650 4 |a Fusarium graminearum 
650 4 |a pathogenicity 
650 4 |a retrograde trafficking 
650 4 |a retromer 
650 7 |a Vesicular Transport Proteins  |2 NLM 
700 1 |a Zheng, Huawei  |e verfasserin  |4 aut 
700 1 |a Zhao, Xu  |e verfasserin  |4 aut 
700 1 |a Zhang, Ying  |e verfasserin  |4 aut 
700 1 |a Xie, Qiurong  |e verfasserin  |4 aut 
700 1 |a Lin, Xiaolian  |e verfasserin  |4 aut 
700 1 |a Chen, Ahai  |e verfasserin  |4 aut 
700 1 |a Yu, Wenying  |e verfasserin  |4 aut 
700 1 |a Lu, Guodong  |e verfasserin  |4 aut 
700 1 |a Shim, Won-Bo  |e verfasserin  |4 aut 
700 1 |a Zhou, Jie  |e verfasserin  |4 aut 
700 1 |a Wang, Zonghua  |e verfasserin  |4 aut 
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