Molecular characterization and expression patterns of two hormone-sensitive lipase genes in common carp Cyprinus carpio
文献类型： 外文期刊
作者： Zheng, Xianhu 1 ; Dang, Hongyang 1 ; Lv, Weihua 1 ; Sun, Zhipeng 1 ; Kuang, Youyi 1 ; Cao, Dingchen 1 ; Lu, Cuiyun 1 ; Su 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Heilongjiang River Fisheries Res Inst, Natl Local Joint Engn Lab Freshwater Fish Breedin, 43 Songfa St, Harbin 150070, Heilongjiang, Peoples R China
2.Shanghai Ocean Univ, Minist Agr & Rural Affairs, Key Lab Freshwater Fishery Germplasm Resource, 999 Huchenghuan Rd, Shanghai 201306, Peoples R China
关键词： Cyprinus carpio; HSL gene; Expression pattern; Intramuscular fat content
期刊名称：FISH PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：2.794； 五年影响因子：2.876 ）
ISSN： 0920-1742
年卷期： 2020 年 46 卷 1 期
页码：
收录情况： SCI
摘要： The hormone-sensitive lipase (HSL) gene plays an important role in mammals' lipid metabolism. Therefore, its function in fish is capturing increasing attention. In this study, two distinct cDNAs, designated HSL1 and HSL2, are firstly identified from common carp Cyprinus carpio. The full-length cDNA of HSL1 and HSL2 consists of 3379 bp and 2732 bp, encoding polypeptide of 693 and 847 amino acids, respectively, and shares 60.6% amino acid identity. Phylogenetic analysis suggests that HSL1 and HSL2 are derived from paralogous genes, which might have arisen during a teleost-specific genome duplication event. The two HSL mRNAs are differentially expressed, both in terms of distribution among tissues and in terms of abundance during embryogenesis. Moreover, both HSL mRNAs are expressed in various tissues, the highest in abdominal fat. Meanwhile, the two HSLs are detected at all stages of embryonic development, suggesting that they could be functional and involved in embryogenesis. In addition, the results show that the mRNA expression level of HSL2 in the high group of intramuscular fat content is significantly higher than that in the low group (P < 0.01). The research provides basic data for developing a further understanding of the function of HSL as well as molecular regulation mechanism in fat metabolism of common carp.
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