Variation of PHT families adapts salt cress to phosphate limitation under salinity

doi:10.1111/pce.14027

	Variation of PHT families adapts salt cress to phosphate limitation under salinity
	Lv, Sulian ; Wang, Duoliya 1; Jiang, Ping 1; Jia, Weitao 2; Li, Yinxin
	2021
发表期刊	PLANT CELL AND ENVIRONMENT
ISSN	0140-7791
卷号	44 期号:5 页码:1549-1564
摘要	Salt cress (Eutrema salsugineum) presents relatively high phosphate (Pi) use efficiency cy in its natural habitat. Phosphate Transporters (PHTs) play critical roles in Pi acquisition and homeostasis. Here, a comparative study of PHT families between salt cress and Arabidopsis was performed. A total of 27 putative PHT genes were identified in E. salsugineum genome. Notably, seven tandem genes encoding PHT1;3 were found, and function analysis in Arabidopsis indicated at least six EsPHT1;3s participated in Pi uptake. Meanwhile, different expression profiles of PHT genes between the two species under Pi limitation and salt stress were documented. Most PHT1 genes were down-regulated in Arabidopsis while up-regulated in salt cress under salinity, among which EsPHT1;9 was further characterized. EsPHT1;9 was involved in root-to-shoot Pi translocation. Particularly, the promoter of EsPHT1;9 outperformed that of AtPHT1;9 in promoting Pi translocation, K+/Na+ ratio, thereby salt tolerance. Through cis-element analysis, we identified a bZIP transcription factor EsABF5 negatively regulating EsPHT1;9 and plant tolerance to low-Pi and salt stress. Altogether, more copies and divergent transcriptional regulation of PHT genes contribute to salt cress adaptation to the co-occurrence of salinity and Pi limitation, which add our knowledge on the evolutionary and molecular component of multistress- tolerance of this species.
关键词	gene family genetic variation low‐ Pi phosphate transporter transcriptional regulation
学科领域	Plant Sciences
DOI	10.1111/pce.14027
收录类别	SCI
语种	英语
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000620435400001
出版者	WILEY
文献子类	Article
出版地	HOBOKEN
EISSN	1365-3040
资助机构	National Natural Science Foundation of China [31270421] ; National Research and Development Project of Transgenic Crops of China [2016ZX08009003-002]
作者邮箱	yxli@ibcas.ac.cn
引用统计	被引频次：14[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/26350
专题	中科院植物分子生理学重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, Key Lab Plant Mol Physiol, Beijing 100093, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Key Lab Water Environm Reservoir Watershed, Chongqing, Peoples R China
推荐引用方式 GB/T 7714	Lv, Sulian,Wang, Duoliya,Jiang, Ping,et al. Variation of PHT families adapts salt cress to phosphate limitation under salinity[J]. PLANT CELL AND ENVIRONMENT,2021,44(5):1549-1564.
APA	Lv, Sulian,Wang, Duoliya,Jiang, Ping,Jia, Weitao,&Li, Yinxin.(2021).Variation of PHT families adapts salt cress to phosphate limitation under salinity.PLANT CELL AND ENVIRONMENT,44(5),1549-1564.
MLA	Lv, Sulian,et al."Variation of PHT families adapts salt cress to phosphate limitation under salinity".PLANT CELL AND ENVIRONMENT 44.5(2021):1549-1564.

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