Plant adaptation to frequent alterations between high and low temperatures: remodelling of membrane lipids and maintenance of unsaturation levels
Zheng, Guowei1,4; Tian, Bo2,3; Zhang, Fujuan2; Tao, Faqing2; Li, Weiqi1,2
Corresponding Authorweiqili@mail.kib.ac.cn
2011-09-01
Source PublicationPLANT CELL AND ENVIRONMENT
ISSN0140-7791
Volume34Issue:9Pages:1431-1442
AbstractOne major strategy by which plants adapt to temperature change is to decrease the degree of unsaturation of membrane lipids under high temperature and increase it under low temperature. We hypothesize that this strategy cannot be adopted by plants in ecosystems and environments with frequent alterations between high and low temperatures, because changes in lipid unsaturation are complex and require large energy inputs. To test this hypothesis, we used a lipidomics approach to profile changes in molecular species of membrane glycerolipids in two plant species sampled from alpine screes and in another two plant species grown in a growth chamber, with the temperature cycling daily between heat and freezing. We found that six classes of phospholipid and two classes of galactolipid showed significant changes, but the degree of unsaturation of total lipids and of three lysophospholipid classes remained unchanged. This pattern of changes in membrane lipids was distinct from that occurring during slow alterations in temperature. We propose two types of model for the adaptation of plants to temperature change: (1) remodelling of membrane lipids but maintenance of the degree of unsaturation are used to adapt to frequent temperature alterations; and (2) both remodelling and changes in the degree of unsaturation to adapt to infrequent temperature alterations.
KeywordAlpine Screes Double Bond Index High Temperature Lipid Remodelling Lipid Unsaturation Lipidomics Low Temperature Membrane Glycerolipids Temperature Alteration
Subject AreaPlant Sciences
DOI10.1111/j.1365-3040.2011.02341.x
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000293794100002
Citation statistics
Cited Times:36[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/3828
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biodivers & Biogeog, Kunming 650204, Peoples R China
2.Chinese Acad Sci, Kunming Inst Bot, Germplasm Bank Wild Species, Kunming 650204, Yunnan, Peoples R China
3.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla 666303, Yunnan, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zheng, Guowei,Tian, Bo,Zhang, Fujuan,et al. Plant adaptation to frequent alterations between high and low temperatures: remodelling of membrane lipids and maintenance of unsaturation levels[J]. PLANT CELL AND ENVIRONMENT,2011,34(9):1431-1442.
APA Zheng, Guowei,Tian, Bo,Zhang, Fujuan,Tao, Faqing,&Li, Weiqi.(2011).Plant adaptation to frequent alterations between high and low temperatures: remodelling of membrane lipids and maintenance of unsaturation levels.PLANT CELL AND ENVIRONMENT,34(9),1431-1442.
MLA Zheng, Guowei,et al."Plant adaptation to frequent alterations between high and low temperatures: remodelling of membrane lipids and maintenance of unsaturation levels".PLANT CELL AND ENVIRONMENT 34.9(2011):1431-1442.
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