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学科主题: Fisheries
题名: Complete mitochondrial genome of the sea cucumber Stichopus sp and its application in the identification of this species
作者: Fan, SG ; Hu, CQ ; Zhang, LP ; Sun, HY ; Wen, J ; Luo, P
通讯作者: cqhu@scsio.ac.cn
关键词: complete mitochondrial genome ; Stichopus sp ; species identification ; cox1 ; Stichopus monotuberculatus complex
刊名: AQUACULTURE RESEARCH
发表日期: 2012
卷: 43, 期:9, 页:1306-1316
部门归属: [Fan, Sigang; Hu, Chaoqun; Zhang, Lvping; Sun, Hongyan; Luo, Peng] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Appl Marine Biol LAMB Guangdong Prov, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China; [Fan, Sigang] Chinese Acad Fishery Sci, S China Sea Fisheries Res Inst, Guangzhou, Guangdong, Peoples R China; [Wen, Jing] Zhanjiang Normal Univ, Dept Biol, Zhanjiang, Peoples R China
项目归属: LMB
摘要: The complete sequence of mitochondrial DNA (mtDNA) from Stichopus sp. (Echinodermata: Holothuroidea: Stichopodidae: Stichopus) was acquired using conventional PCR and long PCR followed by cloning and sequencing. The mtDNA is a circular molecule of 16 similar to 257 similar to bp in length, containing the set of 37 genes, including 13 protein-coding genes (PCGs), 22 tRNA genes and two ribosomal RNA genes. The plus strand consists of 30.9% A, 23.7% C, 16.0% G and 29.3% T bases (AT skew similar to=similar to 0.027; GC skew similar to=similar to-0.194). All 13 PCGs encode a total of 3782 amino acids and all 22 tRNA genes were predicted to be capable of folding into a clover-leaf secondary structure. Intergenetic regions in the mitochondrial genome of Stichopus sp. contain 903 similar to bp in total, with the largest continuous region (674 similar to bp, AT%similar to=similar to 58.6) between tRNA-Thr and tRNA-Pro. Analysis of phylogenetic relationship of family Stichopodidae and genetic distances (species among the family Stichopodidae and species within Stichopus monotuberculatus group) based on the partial cox1 sequence demonstrates that Stichopus sp. from the South China Sea is a member of S. monotuberculatus complex.
语种: 英语
WOS记录号: WOS:000307217100006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9842
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Recommended Citation:
Fan, SG; Hu, CQ; Zhang, LP; Sun, HY; Wen, J; Luo, P.Complete mitochondrial genome of the sea cucumber Stichopus sp and its application in the identification of this species,AQUACULTURE RESEARCH,2012,43(9):1306-1316
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