A small cysteine-rich protein from two kingdoms of microbes is recognized as a novel pathogen-associated molecular pattern

© 2018 The Authors. New Phytologist © 2018 New Phytologist Trust.

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 222(2019), 2 vom: 01. Apr., Seite 995-1011
1. Verfasser: Nie, Jiajun (VerfasserIn)
Weitere Verfasser: Yin, Zhiyuan, Li, Zhengpeng, Wu, Yuxing, Huang, Lili
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Nicotiana benthamiana Valsa mali cell death filamentous pathogens innate immunity pathogen-associated molecular pattern (PAMP) Fungal Proteins Pathogen-Associated Molecular Pattern Molecules mehr... Plant Proteins RNA, Messenger
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520 |a Pathogen-associated molecular patterns (PAMPs) are conserved molecules that are crucial for normal life cycle of microorganisms. However, the diversity of microbial PAMPs is little known. During screening of cell-death-inducing factors from the necrotrophic fungus Valsa mali, we identified a novel PAMP VmE02 that is widely spread in oomycetes and fungi. Agrobacterium tumefaciens-mediated transient expression or infiltration of recombinant protein produced by Escherichia coli was performed to assay elicitor activity of the proteins tested. Virus-induced gene silencing in Nicotiana benthamiana was used to determine the components involved in VmE02-triggered cell death. The role of VmE02 in virulence and conidiation of V. mali were characterized by gene deletion and complementation. We found that VmE02, together with some of its homologues from both oomycete and fungal species, exhibited cell-death-inducing activity in N. benthamiana. VmE02-triggered cell death was shown to be dependent on BRI1-ASSOCIATED KINASE-1, SUPPRESSOR OF BIR1-1, HSP90 and SGT1 in N. benthamiana. Deletion of VmE02 in V. mali greatly attenuated pathogen conidiation but not virulence, and treatment of N. benthamiana with VmE02 enhances plant resistance to Sclerotinia sclerotiorum and Phytophthora capsici. We conclude that VmE02 is a novel cross-kingdom PAMP produced by several fungi and oomycetes 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Nicotiana benthamiana 
650 4 |a Valsa mali 
650 4 |a cell death 
650 4 |a filamentous pathogens 
650 4 |a innate immunity 
650 4 |a pathogen-associated molecular pattern (PAMP) 
650 7 |a Fungal Proteins  |2 NLM 
650 7 |a Pathogen-Associated Molecular Pattern Molecules  |2 NLM 
650 7 |a Plant Proteins  |2 NLM 
650 7 |a RNA, Messenger  |2 NLM 
700 1 |a Yin, Zhiyuan  |e verfasserin  |4 aut 
700 1 |a Li, Zhengpeng  |e verfasserin  |4 aut 
700 1 |a Wu, Yuxing  |e verfasserin  |4 aut 
700 1 |a Huang, Lili  |e verfasserin  |4 aut 
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773 1 8 |g volume:222  |g year:2019  |g number:2  |g day:01  |g month:04  |g pages:995-1011 
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