干旱区生态环境知识资源中心(Arid): Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub

Arid

DOI	10.1111/pce.13662
	Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub
	Chen, Yingying 1,2; Cao, Chuanjian 3; Guo, Zhujuan 1,2; Zhang, Qinghua 1,2; Li, Shuwen 1,2; Zhang, Xiao 1,2; Gong, Junqing 1,2; Shen, Yingbai 1,2
通讯作者	Shen, Yingbai
来源期刊	PLANT CELL AND ENVIRONMENT
ISSN	0140-7791
EISSN	1365-3040
出版年	2020
卷号	43 期号:2 页码:400-419
英文摘要	Plants have evolved complex mechanisms that allow them to withstand multiple environmental stresses, including biotic and abiotic stresses. Here, we investigated the interaction between herbivore exposure and salt stress of Ammopiptanthus nanus, a desert shrub. We found that jasmonic acid (JA) was involved in plant responses to both herbivore attack and salt stress, leading to an increased NaCl stress tolerance for herbivore-pretreated plants and increase in K+/Na+ ratio in roots. Further evidence revealed the mechanism by which herbivore improved plant NaCl tolerance. Herbivore pretreatment reduced K+ efflux and increased Na+ efflux in plants subjected to long-term, short-term, or transient NaCl stress. Moreover, herbivore pretreatment promoted H+ efflux by increasing plasma membrane H+-adenosine triphosphate (ATP)ase activity. This H+ efflux creates a transmembrane proton motive force that drives the Na+/H+ antiporter to expel excess Na+ into the external medium. In addition, high cytosolic Ca2+ was observed in the roots of herbivore-treated plants exposed to NaCl, and this effect may be regulated by H+-ATPase. Taken together, herbivore exposure enhances A. nanus tolerance to salt stress by activating the JA-signalling pathway, increasing plasma membrane H+-ATPase activity, promoting cytosolic Ca2+ accumulation, and then restricting K+ leakage and reducing Na+ accumulation in the cytosol.
英文关键词	Ammopiptanthus nanus Ca2+ signalling crosstalk H+-ATPase herbivore exposure jasmonic acid K+ Na+ homoeostasis multiple stresses proton electrochemical potential gradient salt stress
类型	Article
语种	英语
国家	Peoples R China
收录类别	SCI-E
WOS记录号	WOS:000500908900001
WOS关键词	MEMBRANE H+-ATPASE ; MEDIATE K+/NA+ HOMEOSTASIS ; EARLY SIGNALING EVENTS ; POPULUS X CANESCENS ; PLANT-RESPONSES ; ABSCISIC-ACID ; SPODOPTERA-LITTORALIS ; ENHANCES TOLERANCE ; STOMATAL CLOSURE ; NA+ TRANSPORT
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
EI主题词	2019-12-06
来源机构	北京林业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/311610
作者单位	1.Beijing Forestry Univ, Coll Biol Sci & Technol, 35 Tsinghua East Rd, Beijing 100083, Peoples R China; 2.Beijing Forestry Univ, Natl Engn Lab Tree Breeding, Beijing, Peoples R China; 3.China Forest Pest Control & Quarantine Stn Ningxi, Yinchuan, Peoples R China
推荐引用方式 GB/T 7714	Chen, Yingying,Cao, Chuanjian,Guo, Zhujuan,et al. Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub[J]. 北京林业大学,2020,43(2):400-419.
APA	Chen, Yingying.,Cao, Chuanjian.,Guo, Zhujuan.,Zhang, Qinghua.,Li, Shuwen.,...&Shen, Yingbai.(2020).Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub.PLANT CELL AND ENVIRONMENT,43(2),400-419.
MLA	Chen, Yingying,et al."Herbivore exposure alters ion fluxes and improves salt tolerance in a desert shrub".PLANT CELL AND ENVIRONMENT 43.2(2020):400-419.