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Penaeid shrimp genome provides insights into benthic adaptation and frequent molting

文献类型： 外文期刊

作者： Zhang, Xiaojun 1 ; Yuan, Jianbo 1 ; Sun, Yamin 3 ; Li, Shihao 1 ; Gao, Yi 1 ; Yu, Yang 1 ; Liu, Chengzhang 1 ; Wang, Quan 1 ;

作者机构： 1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Expt Marine Biol, Qingdao 266071, Peoples R China

2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266237, Peoples R China

3.Tianjin Biochip Corp, Tianjin 300457, Peoples R China

4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China

5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

6.Chinese Univ Hong Kong, Sch Life Sci, Shatin, Hong Kong 999077, Peoples R China

7.Chinese Acad Agr Sci, Agr Genom Inst, Shenzhen 518120, Peoples R China

8.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Minist Agr, Key Lab Sustainable Utilizat Marine Fisheries Res, Qingdao 266071, Peoples R China

9.Xiamen Univ, Coll Ocean & Earth Sci, Xiamen 361102, Peoples R China

10.Simon Fraser Univ, Dept Mol Biol & Biochem, Burnaby, BC V5A 1S6, Canada

11.Texas A&M Univ, Dept Soil & Crop Sci, College Stn, TX 77843 USA

12.Univ Ghent, Lab Aquaculture & Artemia Reference Ctr, Coupure Links 653, B-9000 Ghent, Belgium

13.Negev Ben Gurion Univ, Dept Life Sci, IL-84105 Beer Sheva, Israel

14.Negev Ben Gurion Univ, Natl Inst Biotechnol, IL-84105 Beer Sheva, Israel

15.Environm Genom Inc, POB 196, Southborough, MA 01772 USA

16.Auburn Univ, Sch Fisheries Aquaculture & Aquat Sci, Auburn, AL 36849 USA

17.Nankai Univ, Coll Life Sci, Tianjin 300071, Peoples R China

期刊名称：NATURE COMMUNICATIONS （ 影响因子：14.919； 五年影响因子：15.805 ）

ISSN： 2041-1723

年卷期： 2019 年 10 卷

页码：

收录情况： SCI

摘要： Crustacea, the subphylum of Arthropoda which dominates the aquatic environment, is of major importance in ecology and fisheries. Here we report the genome sequence of the Pacific white shrimp Litopenaeus vannamei, covering similar to 1.66 Gb (scaffold N50 605.56 Kb) with 25,596 protein-coding genes and a high proportion of simple sequence repeats (>23.93%). The expansion of genes related to vision and locomotion is probably central to its benthic adaptation. Frequent molting of the shrimp may be explained by an intensified ecdysone signal pathway through gene expansion and positive selection. As an important aquaculture organism, L. vannamei has been subjected to high selection pressure during the past 30 years of breeding, and this has had a considerable impact on its genome. Decoding the L. vannamei genome not only provides an insight into the genetic underpinnings of specific biological processes, but also provides valuable information for enhancing crustacean aquaculture.

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