中文摘要：

本研究采用RT—PCR、3’-RACE和5＇-RACE技术，从翘嘴鳜胚胎组织中克隆得到UCP3基因的全长cDNA序列（登录号：KP244309）为2917bp。生物信息学分析表明：翘嘴鳜UCP3基因编码区为930hp，总共编码309个氨基酸；带负电荷的氨基酸残基数22个，带正电荷的氨基酸残基数35个。翘嘴鳜UCP3发育表达分析表明，UCP3在受精期、二细胞期、囊胚期、肌效期、心搏期、仔鱼期有低量表达，从囊胚期到神经胚期显著性增高并达最大值，神经胚期到肌效期显著性降低，肌效期、心搏期、仔鱼期都保持在低水平表达。

英文摘要：

The Uncoupling proteins 3 is members of the mitochondrial anion carrier family, which may play important roles in thermogenesis, lipid metabolism and insulin secretion. The physiological regulation of the UCP3 remains practically vague in fish. It is little known for the roles of UCP3 in fish, the UCP3 was cloned from Siniperca chuatsi by Homologous cloning technology. The UCP3 consisted of six exons and one to two exon which could not be translated, and primarily expressed in muscle. The length of UCP3 gene was 2 917 bp and the length of its putative amino acid sequence was 309 residues. To investigate the gene Ontogenetic expression, a real-time PCR technique is applied to assay the ontogenetic expression of the genes at different stages, and the results confirmed that the UCP3 mRNA were first detected in fertilization stage, its expression gradually increased in gastrula stage, and reached the peak of expression in neurula stage.