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Deletion of an Endoplasmic Reticulum Stress Response Element in a ZmPP2C-A Gene Facilitates Drought Tolerance of Maize Seedlings
Xiang, Yanli; Sun, Xiaopeng; Gao, Shan1; Qin, Feng2; Dai, Mingqiu
2017
发表期刊MOLECULAR PLANT
ISSN1674-2052
卷号10期号:3页码:456-469
摘要Drought is a major abiotic stress that causes the yearly yield loss of maize, a crop cultured worldwide. Breeding drought-tolerant maize cultivars is a priority requirement of world agriculture. Clade A PP2C phosphatases (PP2C-A), which are conserved in most plant species, play important roles in abscisic acid (ABA) signaling and plant drought response. However, natural variations of PP2C-A genes that are directly associated with drought tolerance remain to be elucidated. Here, we conducted a candidate gene association analysis of the ZmPP2C-A gene family in a maize panel consisting of 368 varieties collected worldwide, and identified a drought responsive gene ZmPP2C-A10 that is tightly associated with drought tolerance. We found that the degree of drought tolerance of maize cultivars negatively correlates with the expression levels ofZmPP2C-A10. ZmPP2C-A10, like its Arabidopsis orthologs, interacts with ZmPYL ABA receptors and ZmSnRK2 kinases, suggesting that ZmPP2C-A10 is involved in mediating ABA signaling inmaize. Transgenic studies inmaize and Arabidopsis confirmed that ZmPP2C-A10 functions as a negative regulator of drought tolerance. Further, a causal natural variation, deletion allele-338, which bears a deletion of ERSE ( endoplasmic reticulum stress response element) in the 50-UTR region of ZmPP2C-A10, was detected. This deletion causes the loss of endoplasmic reticulum (ER) stress-induced expression of ZmPP2C-A10, leading to increased plant drought tolerance. Our study provides direct evidence linking ER stress signaling with drought tolerance and genetic resources that can be used directly in breeding drought-tolerant maize cultivars.
关键词drought response clade A PP2C natural variation ER stress signaling maize (Zea Mays)
学科领域Biodiversity & Conservation ; Environmental Sciences & Ecology
DOI10.1007/s10530-017-1371-y
收录类别SCI
语种英语
WOS关键词UNFOLDED PROTEIN RESPONSE ; ABSCISIC-ACID SIGNAL ; QUALITY-CONTROL ; PHOSPHATASE 2C ; GENOME-WIDE ; ARABIDOPSIS ; ABA ; PLANTS ; RESISTANCE ; ABI1
WOS记录号WOS:000399808800010
出版者CELL PRESS
文献子类Article
出版地CAMBRIDGE
EISSN1752-9867
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31561143014] ; Ministry of Science and Technology of ChinaMinistry of Science and Technology, China [2015BAD02B01] ; Fundamental Research Funds for the Central Universities of ChinaFundamental Research Funds for the Central Universities [2014PY056, 2662015PY170]
作者邮箱mingqiudai@mail.hzau.edu.cn
引用统计
被引频次:11[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/2S10CLM1/22168
专题中科院植物分子生理学重点实验室
作者单位1.Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Wuhan 430070, Peoples R China
2.Tarim Univ, Coll Plant Sci, Alaer 843300, Peoples R China
3.Chinese Acad Sci, Inst Bot, Beijing 100093, Peoples R China
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GB/T 7714
Xiang, Yanli,Sun, Xiaopeng,Gao, Shan,et al. Deletion of an Endoplasmic Reticulum Stress Response Element in a ZmPP2C-A Gene Facilitates Drought Tolerance of Maize Seedlings[J]. MOLECULAR PLANT,2017,10(3):456-469.
APA Xiang, Yanli,Sun, Xiaopeng,Gao, Shan,Qin, Feng,&Dai, Mingqiu.(2017).Deletion of an Endoplasmic Reticulum Stress Response Element in a ZmPP2C-A Gene Facilitates Drought Tolerance of Maize Seedlings.MOLECULAR PLANT,10(3),456-469.
MLA Xiang, Yanli,et al."Deletion of an Endoplasmic Reticulum Stress Response Element in a ZmPP2C-A Gene Facilitates Drought Tolerance of Maize Seedlings".MOLECULAR PLANT 10.3(2017):456-469.
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