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Genome Sequences of Marine Shrimp Exopalaemon carinicauda Holthuis Provide Insights into Genome Size Evolution of Caridea
Yuan, Jianbo1,2; Gao, Yi1,2; Zhang, Xiaojun1,2; Wei, Jiankai3; Liu, Chengzhang1,2; Li, Fuhua1,2; Xiang, Jianhai1,2
2017-07-01
发表期刊MARINE DRUGS
卷号15期号:7
文章类型Article
摘要Crustacea, particularly Decapoda, contains many economically important species, such as shrimps and crabs. Crustaceans exhibit enormous (nearly 500-fold) variability in genome size. However, limited genome resources are available for investigating these species. Exopalaemon carinicauda Holthuis, an economical caridean shrimp, is a potential ideal experimental animal for research on crustaceans. In this study, we performed low-coverage sequencing and de novo assembly of the E. carinicauda genome. The assembly covers more than 95% of coding regions. E. carinicauda possesses a large complex genome (5.73 Gb), with size twice higher than those of many decapod shrimps. As such, comparative genomic analyses were implied to investigate factors affecting genome size evolution of decapods. However, clues associated with genome duplication were not identified, and few horizontally transferred sequences were detected. Ultimately, the burst of transposable elements, especially retrotransposons, was determined as the major factor influencing genome expansion. A total of 2 Gb repeats were identified, and RTE-BovB, Jockey, Gypsy, and DIRS were the four major retrotransposons that significantly expanded. Both recent (Jockey and Gypsy) and ancestral (DIRS) originated retrotransposons responsible for the genome evolution. The E. carinicauda genome also exhibited potential for the genomic and experimental research of shrimps.
关键词Exopalaemon Carinicauda Holthuis Genome Caridean Shrimp Genome Size Evolution
DOI10.3390/md15070213
收录类别SCI
语种英语
WOS记录号WOS:000406685900021
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文献类型期刊论文
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条目标识符http://ir.qdio.ac.cn/handle/337002/143099
专题实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, 1 Wenhai Rd, Qingdao 266071, Peoples R China
3.Ocean Univ China, 5 Yushan Rd, Qingdao 266071, Peoples R China
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Yuan, Jianbo,Gao, Yi,Zhang, Xiaojun,et al. Genome Sequences of Marine Shrimp Exopalaemon carinicauda Holthuis Provide Insights into Genome Size Evolution of Caridea[J]. MARINE DRUGS,2017,15(7).
APA Yuan, Jianbo.,Gao, Yi.,Zhang, Xiaojun.,Wei, Jiankai.,Liu, Chengzhang.,...&Xiang, Jianhai.(2017).Genome Sequences of Marine Shrimp Exopalaemon carinicauda Holthuis Provide Insights into Genome Size Evolution of Caridea.MARINE DRUGS,15(7).
MLA Yuan, Jianbo,et al."Genome Sequences of Marine Shrimp Exopalaemon carinicauda Holthuis Provide Insights into Genome Size Evolution of Caridea".MARINE DRUGS 15.7(2017).
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