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Enhanced expression of antifreeze protein genes drives the development of freeze tolerance in an Antarctica isolate of Chlorella vulgaris
Li, Huiying; Liu, Xiaoxiang; Wang, Yali; Hu, Hanhua; Xu, Xudong; Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2009
Source PublicationPROGRESS IN NATURAL SCIENCE
Volume19Issue:9Pages:1059-1062
AbstractIn adaptation to new environments, organisms may accumulate mutations within encoding sequences to modify protein characteristics or acquire mutations within regulatory sequences to alter gene expression levels. With the development of antifreeze capability as the example, this study presents the evidence that change in gene expression level is probably the most important mechanism for adaptive evolution in a green alga Chlorella vulgaris. C. vulgaris NJ-7, an isolate from Antarctica, possesses an 18S rRNA sequence identical to that of a temperate isolate, SAG211-11b/UTEX259, but shows much higher freeze tolerance than the later isolate. The chromosomal DNA/cDNA of four antifreeze genes, namely hiC6, hiC12, rpl10a and hsp70, from the two isolates of C. vulgaris were cloned and sequenced, and very few variations of deduced amino acid sequences were found. In contrast, the transcription of hiC6, hiC12 and rpl10a was greatly intensified in NJ-7 compared to that in UTEX259, which is correlated to the significantly enhanced freeze tolerance of the Antarctica isolate. (C) 2009 National Natural Science Foundation of China and Chinese Academy of Sciences. Published by Elsevier Limited and Science in China Press. All rights reserved.
KeywordChlorella Vulgaris Antarctica Isolate Temperate Isolate Freeze Tolerance Gene Expression
Department[Li, Huiying; Liu, Xiaoxiang; Wang, Yali; Hu, Hanhua; Xu, Xudong] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Subject AreaMultidisciplinary Sciences
Funding OrganizationKnowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605]
Indexed BySCI
Language英语
WOS IDWOS:000268798900004
Funding OrganizationKnowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605] ; Knowledge Innovation Program of the Chinese Academy of Sciences [KSCX2SW- 332]; National Natural Science Foundation of China [40606004]; National Key Basic Research Project of China [2004CB719605]
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Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7616
Collection期刊论文
Corresponding AuthorXu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Li, Huiying,Liu, Xiaoxiang,Wang, Yali,et al. Enhanced expression of antifreeze protein genes drives the development of freeze tolerance in an Antarctica isolate of Chlorella vulgaris[J]. PROGRESS IN NATURAL SCIENCE,2009,19(9):1059-1062.
APA Li, Huiying,Liu, Xiaoxiang,Wang, Yali,Hu, Hanhua,Xu, Xudong,&Xu, XD, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China.(2009).Enhanced expression of antifreeze protein genes drives the development of freeze tolerance in an Antarctica isolate of Chlorella vulgaris.PROGRESS IN NATURAL SCIENCE,19(9),1059-1062.
MLA Li, Huiying,et al."Enhanced expression of antifreeze protein genes drives the development of freeze tolerance in an Antarctica isolate of Chlorella vulgaris".PROGRESS IN NATURAL SCIENCE 19.9(2009):1059-1062.
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