FgKin1 kinase localizes to the septal pore and plays a role in hyphal growth, ascospore germination, pathogenesis, and localization of Tub1 beta-tubulins in Fusarium graminearum

© 2014 The Authors. New Phytologist © 2014 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 204(2014), 4 vom: 17. Dez., Seite 943-54
1. Verfasser: Luo, Yongping (VerfasserIn)
Weitere Verfasser: Zhang, Hongchang, Qi, Linlu, Zhang, Shijie, Zhou, Xiaoying, Zhang, Yimei, Xu, Jin-Rong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't ascospore germination ascospore release beta-tubulins cytokinesis pathogenesis septation Fungal Proteins Tubulin mehr... Green Fluorescent Proteins 147336-22-9 Protein Serine-Threonine Kinases EC 2.7.11.1
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245 1 0 |a FgKin1 kinase localizes to the septal pore and plays a role in hyphal growth, ascospore germination, pathogenesis, and localization of Tub1 beta-tubulins in Fusarium graminearum 
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520 |a © 2014 The Authors. New Phytologist © 2014 New Phytologist Trust. 
520 |a The Kin1/Par-1/MARK kinases regulate various cellular processes in eukaryotic organisms. Kin1 orthologs are well conserved in fungal pathogens but none of them have been functionally characterized. Here, we show that KIN1 is important for pathogenesis and growth in two phytopathogenic fungi and that FgKin1 regulates ascospore germination and the localization of Tub1 β-tubulins in Fusarium graminearum. The Fgkin1 mutant and putative FgKIN1(S172A) kinase dead (nonactivatable) transformants were characterized for defects in plant infection, sexual and asexual reproduction, and stress responses. The localization of FgKin1 and two β-tubulins were examined in the wild-type and mutant backgrounds. Deletion of FgKIN1 resulted in reduced virulence and defects in ascospore germination and release. FgKin1 localized to the center of septal pores. FgKIN1 deletion had no effect on Tub2 microtubules but disrupted Tub1 localization. In the mutant, Tub1 appeared to be enriched in the nucleolus. In Magnaporthe oryzae, MoKin1 has similar functions in growth and infection and it also localizes to septal pores. The S172A mutation had no effect on the localization and function of FgKIN1 during sexual reproduction. These results indicate that FgKIN1 has kinase-dependent and independent functions and it specifically regulates Tub1 β-tubulins. FgKin1 plays a critical role in ascospore discharge, germination, and plant infection 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a ascospore germination 
650 4 |a ascospore release 
650 4 |a beta-tubulins 
650 4 |a cytokinesis 
650 4 |a pathogenesis 
650 4 |a septation 
650 7 |a Fungal Proteins  |2 NLM 
650 7 |a Tubulin  |2 NLM 
650 7 |a Green Fluorescent Proteins  |2 NLM 
650 7 |a 147336-22-9  |2 NLM 
650 7 |a Protein Serine-Threonine Kinases  |2 NLM 
650 7 |a EC 2.7.11.1  |2 NLM 
700 1 |a Zhang, Hongchang  |e verfasserin  |4 aut 
700 1 |a Qi, Linlu  |e verfasserin  |4 aut 
700 1 |a Zhang, Shijie  |e verfasserin  |4 aut 
700 1 |a Zhou, Xiaoying  |e verfasserin  |4 aut 
700 1 |a Zhang, Yimei  |e verfasserin  |4 aut 
700 1 |a Xu, Jin-Rong  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t The New phytologist  |d 1979  |g 204(2014), 4 vom: 17. Dez., Seite 943-54  |w (DE-627)NLM09818248X  |x 1469-8137  |7 nnns 
773 1 8 |g volume:204  |g year:2014  |g number:4  |g day:17  |g month:12  |g pages:943-54 
856 4 0 |u http://dx.doi.org/10.1111/nph.12953  |3 Volltext 
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