JAZ2 controls stomata dynamics during bacterial invasion

JAZ2 controls stomata dynamics during bacterial invasion

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

Bibliographische Detailangaben
Veröffentlicht in:The New phytologist. - 1979. - 213(2017), 3 vom: 22. Feb., Seite 1378-1392
1. Verfasser: Gimenez-Ibanez, Selena (VerfasserIn)
Weitere Verfasser: Boter, Marta, Ortigosa, Andrés, García-Casado, Gloria, Chini, Andrea, Lewsey, Mathew G, Ecker, Joseph R, Ntoukakis, Vardis, Solano, Roberto
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:The New phytologist
Schlagworte:Journal Article ANAC Pseudomonas syringae JAZ repressors MYC transcription factors coronatine (COR) crop protection pathogenesis stomata Amino Acids mehr... Arabidopsis Proteins Indenes JAZ2 protein, Arabidopsis Repressor Proteins coronatine 62251-96-1
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245 1 0 |a JAZ2 controls stomata dynamics during bacterial invasion 
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500 |a CommentIn: New Phytol. 2017 Feb;213(3):972-975. - PMID 28079932 
500 |a Citation Status MEDLINE 
520 |a © 2016 The Authors. New Phytologist © 2016 New Phytologist Trust. 
520 |a Coronatine (COR) facilitates entry of bacteria into the plant apoplast by stimulating stomata opening. COR-induced signaling events at stomata remain unclear. We found that the COR and jasmonate isoleucine (JA-Ile) co-receptor JAZ2 is constitutively expressed in guard cells and modulates stomatal dynamics during bacterial invasion We analyzed tissue expression patterns of AtJAZ genes and measured stomata opening and pathogen resistance in loss- and gain-of-function mutants. Arabidopsis jaz2 mutants are partially impaired in pathogen-induced stomatal closing and more susceptible to Pseudomonas. Gain-of-function mutations in JAZ2 prevent stomatal reopening by COR and are highly resistant to bacterial penetration. The JAZ2 targets MYC2, MYC3 and MYC4 directly regulate the expression of ANAC19, ANAC55 and ANAC72 to modulate stomata aperture. Due to the antagonistic interactions between the salicylic acid (SA) and JA defense pathways, efforts to increase resistance to biotrophs result in enhanced susceptibility to necrotrophs, and vice versa. Remarkably, dominant jaz2Δjas mutants are resistant to Pseudomonas syringae but retain unaltered resistance against necrotrophs. Our results demonstrate the existence of a COI1-JAZ2-MYC2,3,4-ANAC19,55,72 module responsible for the regulation of stomatal aperture that is hijacked by bacterial COR to promote infection. They also provide novel strategies for crop protection against biotrophs without compromising resistance to necrotrophs 
650 4 |a Journal Article 
650 4 |a ANAC 
650 4 |a Pseudomonas syringae 
650 4 |a JAZ repressors 
650 4 |a MYC transcription factors 
650 4 |a coronatine (COR) 
650 4 |a crop protection 
650 4 |a pathogenesis 
650 4 |a stomata 
650 7 |a Amino Acids  |2 NLM 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a Indenes  |2 NLM 
650 7 |a JAZ2 protein, Arabidopsis  |2 NLM 
650 7 |a Repressor Proteins  |2 NLM 
650 7 |a coronatine  |2 NLM 
650 7 |a 62251-96-1  |2 NLM 
700 1 |a Boter, Marta  |e verfasserin  |4 aut 
700 1 |a Ortigosa, Andrés  |e verfasserin  |4 aut 
700 1 |a García-Casado, Gloria  |e verfasserin  |4 aut 
700 1 |a Chini, Andrea  |e verfasserin  |4 aut 
700 1 |a Lewsey, Mathew G  |e verfasserin  |4 aut 
700 1 |a Ecker, Joseph R  |e verfasserin  |4 aut 
700 1 |a Ntoukakis, Vardis  |e verfasserin  |4 aut 
700 1 |a Solano, Roberto  |e verfasserin  |4 aut 
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773 1 8 |g volume:213  |g year:2017  |g number:3  |g day:22  |g month:02  |g pages:1378-1392 
856 4 0 |u http://dx.doi.org/10.1111/nph.14354  |3 Volltext 
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