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Galactolipid remodeling is involved in drought-induced leaf senescence in maize
Daoqian Chen1,2; Shiwen Wang1,3; Lingyun Qi1; Lina Yin1,3; Xiping Deng1,3; Yin, LN (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.
SubtypeArticle
2018
Source PublicationENVIRONMENTAL AND EXPERIMENTAL BOTANY
ISSN0098-8472
description.correspondentemailchendaoqian2014@nwsuaf.edu.an ; shiwenwang@nwsuaf.edu.cn ; 919759403@qq.com ; linayin@nwsuaf.edu.cn ; dengxp@ms.iswc.ac.cn
Volume150Pages:57-68
AbstractDrought triggers leaf senescence, leading to a critical decrease in crop yield. The membrane lipid composition generally undergoes major changes during drought. However, little is known about the role of galactolipid remodeling in the drought-induced senescence response in crops. Here, a comparative study of alterations in galactolipid and fatty acid composition during drought and recovery was carried out using two maize cultivars differing in drought-induced leaf senescence. Under drought condition, the monogalactosyldiacylglycerol (MGDG) content was decreased by 18.3% and 25.9% in the cultivar with retarded leaf senescence and the senescent cultivar, respectively, while digalactosyldiacylglycerol (DGDG) was enhanced by 43.2% and 22.9%. Compared with the senescent cultivar, the DGDG content and the DGDG/MGDG ratio were 29.8% and 20.7% higher in the cultivar with retarded leaf senescence, which also maintained stable chloroplast ultrastructure under drought stress. The expressions of key galactolipid biosynthesis genes in both cultivars were up-regulated by the drought stress. In addition, the expression levels were higher in the cultivar with retarded leaf senescence than that in the senescent cultivar. These results suggests that a profound modification of galactolipid composition with high DGDG content and DGDG/MGDG ratio is associated with the alleviation of leaf senescence in response to drought. The regulation of galactolipid remodeling could be a promising strategy for alleviating the leaf senescence and improving drought adaptation in crops.
KeywordDrought Stress Leaf Senescence Galactolipid Monogalactosyldiacylglycerol Digalactosyldiacylglycerol Zea Mays
Subject AreaPlant Sciences ; Environmental Sciences & Ecology
DOI10.1016/j.envexpbot.2018.02.017
Indexed BySCI
Publication PlaceTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Language英语
WOS IDWOS:000431934600006
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Funding OrganizationNational Natural Sciences Foundation of China [31200206] ; National Natural Sciences Foundation of China [31200206] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences [2015389] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences [2015389] ; West Light Foundation of the Chines Academy of Science ; West Light Foundation of the Chines Academy of Science ; "Youth Elite Project" of Northwest AF University ; "Youth Elite Project" of Northwest AF University ; "Young Faculty Study Abroad Program" of Northwest AF University ; "Young Faculty Study Abroad Program" of Northwest AF University ; Project of Youth Science and Technology New Star in Shaanxi Province [2016KJXX-66] ; Project of Youth Science and Technology New Star in Shaanxi Province [2016KJXX-66] ; National Basic Research Program of China [2015CB150402] ; National Basic Research Program of China [2015CB150402]
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8239
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorYin, LN (reprint author), Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Fujian Agr & Forestry Univ, Coll Crop Sci, Fuzhou 350002, Fujian, Peoples R China
3.Northwest A&F Univ, Chinese Acad Sci & Minist Water Resources, Inst Soil & Water Conservat, Yangling 712100, Shaanxi, Peoples R China
Recommended Citation
GB/T 7714
Daoqian Chen,Shiwen Wang,Lingyun Qi,et al. Galactolipid remodeling is involved in drought-induced leaf senescence in maize[J]. ENVIRONMENTAL AND EXPERIMENTAL BOTANY,2018,150:57-68.
APA Daoqian Chen,Shiwen Wang,Lingyun Qi,Lina Yin,Xiping Deng,&Yin, LN .(2018).Galactolipid remodeling is involved in drought-induced leaf senescence in maize.ENVIRONMENTAL AND EXPERIMENTAL BOTANY,150,57-68.
MLA Daoqian Chen,et al."Galactolipid remodeling is involved in drought-induced leaf senescence in maize".ENVIRONMENTAL AND EXPERIMENTAL BOTANY 150(2018):57-68.
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