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Molecular cloning and expression analysis on LPL of Coilia nasus

文献类型: 外文期刊

作者: Wang, Meiyao 1 ; Xu, Dongpo 1 ; Liu, Kai 1 ; Yang, Jian 1 ; Xu, Pao 1 ;

作者机构: 1.Nanjing Agr Univ, Wuxi Fisheries Coll, Wuxi 214081, Peoples R China

2.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisheries & Germplasm Resource, Minist Agr, Wuxi 214081, Peoples R China

3.Chinese Acad Fishery Sci, Freshwater Fisheries Res Ctr, Key Lab Freshwater Fisherie

关键词: Coilia nasus;Lipoprotein lipase;Homology;Expression

期刊名称:GENE ( 影响因子:3.688; 五年影响因子:3.329 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: Coilia nasus is one important commercial anadromous species which mainly distributed in the Yangtze River in China. At present, it has been on the "National Key Protective Species List" because of its severe resource damage. Lipid metabolism is very important during its long-distance migration. To make further research on lipid metabolism of C. nasus, we cloned lipoprotein lipase gene with homologous cloning method. A full-length cDNA of LPL of C nasus was cloned from liver which covered 3537 bp with a 1519 bp open reading frame encoding 505 deduced amino acids whose molecular mass was 57.5 kDa and theoretical isoelectric point was 7.58. The deduced amino acids had high similarity with the reported LPL sequence of other species. It had typical conserved domain of LPL protein containing catalytic triad, N-linked glycosylation sites and conserved heparin-binding site, etc. We adopted quantitative real-time RT-PCR method to detect the mRNA expression of LPL of C nasus in ten tissues including mesenteric adipose, liver, muscle, stomach, spleen, heart, head kidney, trunk kidney, gill and brain with beta-actin as internal reference. LPL expressed in all the detected tissues. The highest expression was in mesenteric adipose, and followed by liver, muscle, stomach. Lipid expressed lowly in spleen, heart, head kidney, trunk kidney, gill and brain. The research on the cloning and differential expression of LPL of C. nasus will lay foundation for further research on lipid metabolism of C. nasus. (C) 2016 Elsevier B.V. All rights reserved.

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