BIG regulates stomatal immunity and jasmonate production in Arabidopsis

BIG regulates stomatal immunity and jasmonate production in Arabidopsis

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

Détails bibliographiques
Publié dans:The New phytologist. - 1984. - 222(2019), 1 vom: 29. Apr., Seite 335-348
Auteur principal: Zhang, Ruo-Xi (Auteur)
Autres auteurs: Ge, Shengchao, He, Jingjing, Li, Shuangchen, Hao, Yanhong, Du, Hao, Liu, Zhongming, Cheng, Rui, Feng, Yu-Qi, Xiong, Lizhong, Li, Chuanyou, Hetherington, Alistair M, Liang, Yun-Kuan
Format: Article en ligne
Langue:English
Publié: 2019
Accès à la collection:The New phytologist
Sujets:Journal Article Research Support, Non-U.S. Gov't BIG gene biotic stress ethylene homeostasis hormonal interaction jasmonate signalling plant development stomatal immunity Arabidopsis Proteins plus... BIG protein, Arabidopsis Calmodulin-Binding Proteins Cyclopentanes Ethylenes Oxylipins jasmonic acid 6RI5N05OWW ethylene 91GW059KN7 Salicylic Acid O414PZ4LPZ
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520 |a Plants have evolved an array of responses that provide them with protection from attack by microorganisms and other predators. Many of these mechanisms depend upon interactions between the plant hormones jasmonate (JA) and ethylene (ET). However, the molecular basis of these interactions is insufficiently understood. Gene expression and physiological assays with mutants were performed to investigate the role of Arabidopsis BIG gene in stress responses. BIG transcription is downregulated by methyl JA (MeJA), necrotrophic infection or mechanical injury. BIG deficiency promotes JA-dependent gene induction, increases JA production but restricts the accumulation of both ET and salicylic acid. JA-induced anthocyanin accumulation and chlorophyll degradation are enhanced and stomatal immunity is impaired by BIG disruption. Bacteria- and lipopolysaccaride (LPS)-induced stomatal closure is reduced in BIG gene mutants, which are hyper-susceptible to microbial pathogens with different lifestyles, but these mutants are less attractive to phytophagous insects. Our results indicate that BIG negatively and positively regulate the MYC2 and ERF1 arms of the JA signalling pathway. BIG warrants recognition as a new and distinct regulator that regulates JA responses, the synergistic interactions of JA and ET, and other hormonal interactions that reconcile the growth and defense dilemma in Arabidopsis 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a BIG gene 
650 4 |a biotic stress 
650 4 |a ethylene homeostasis 
650 4 |a hormonal interaction 
650 4 |a jasmonate signalling 
650 4 |a plant development 
650 4 |a stomatal immunity 
650 7 |a Arabidopsis Proteins  |2 NLM 
650 7 |a BIG protein, Arabidopsis  |2 NLM 
650 7 |a Calmodulin-Binding Proteins  |2 NLM 
650 7 |a Cyclopentanes  |2 NLM 
650 7 |a Ethylenes  |2 NLM 
650 7 |a Oxylipins  |2 NLM 
650 7 |a jasmonic acid  |2 NLM 
650 7 |a 6RI5N05OWW  |2 NLM 
650 7 |a ethylene  |2 NLM 
650 7 |a 91GW059KN7  |2 NLM 
650 7 |a Salicylic Acid  |2 NLM 
650 7 |a O414PZ4LPZ  |2 NLM 
700 1 |a Ge, Shengchao  |e verfasserin  |4 aut 
700 1 |a He, Jingjing  |e verfasserin  |4 aut 
700 1 |a Li, Shuangchen  |e verfasserin  |4 aut 
700 1 |a Hao, Yanhong  |e verfasserin  |4 aut 
700 1 |a Du, Hao  |e verfasserin  |4 aut 
700 1 |a Liu, Zhongming  |e verfasserin  |4 aut 
700 1 |a Cheng, Rui  |e verfasserin  |4 aut 
700 1 |a Feng, Yu-Qi  |e verfasserin  |4 aut 
700 1 |a Xiong, Lizhong  |e verfasserin  |4 aut 
700 1 |a Li, Chuanyou  |e verfasserin  |4 aut 
700 1 |a Hetherington, Alistair M  |e verfasserin  |4 aut 
700 1 |a Liang, Yun-Kuan  |e verfasserin  |4 aut 
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