Penaeid shrimp genome provides insights into benthic adaptation and frequent molting

Xiaojun Zhang, Jianbo Yuan, Yamin Sun, Shihao Li, Yi Gao, Yang Yu, Chengzhang Liu, Quanchao Wang, Xinjia Lv, Xiaoxi Zhang, Ka Yan Ma, Xiaobo Wang, Wenchao Lin, Long Wang, Xueli Zhu, Chengsong Zhang, Jiquan Zhang, Songjun Jin, Kuijie Yu, Jie Kong, Peng Xu, Jack Chen, Hongbin Zhang, Patrick Sorgeloos, Amir Sagi, Acacia Alcivar-Warren, Zhanjiang Liu, Lei Wang, Jue Ruan, Ka Hou Chu (), Bin Liu (), Fuhua Li () and Jianhai Xiang ()
Additional contact information
Xiaojun Zhang: Chinese Academy of Sciences
Jianbo Yuan: Chinese Academy of Sciences
Yamin Sun: Tianjin Biochip Corporation
Shihao Li: Chinese Academy of Sciences
Yi Gao: Chinese Academy of Sciences
Yang Yu: Chinese Academy of Sciences
Chengzhang Liu: Chinese Academy of Sciences
Quanchao Wang: Chinese Academy of Sciences
Xinjia Lv: Chinese Academy of Sciences
Xiaoxi Zhang: Chinese Academy of Sciences
Ka Yan Ma: The Chinese University of Hong Kong
Xiaobo Wang: Chinese Academy of Agricultural Sciences
Wenchao Lin: Chinese Academy of Sciences
Long Wang: Chinese Academy of Sciences
Xueli Zhu: Chinese Academy of Sciences
Chengsong Zhang: Chinese Academy of Sciences
Jiquan Zhang: Chinese Academy of Sciences
Songjun Jin: Chinese Academy of Sciences
Kuijie Yu: Chinese Academy of Sciences
Jie Kong: Chinese Academy of Fishery Sciences
Peng Xu: Xiamen University
Jack Chen: Simon Fraser University
Hongbin Zhang: Texas A&M University
Patrick Sorgeloos: Ghent University
Amir Sagi: Negev Ben Gurion University
Acacia Alcivar-Warren: Environmental Genomics Inc.
Zhanjiang Liu: Auburn University
Lei Wang: Nankai University
Jue Ruan: Chinese Academy of Agricultural Sciences
Ka Hou Chu: The Chinese University of Hong Kong
Bin Liu: Nankai University
Fuhua Li: Chinese Academy of Sciences
Jianhai Xiang: Chinese Academy of Sciences

Nature Communications, 2019, vol. 10, issue 1, 1-14

Abstract: Abstract 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 ~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.

Date: 2019
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DOI: 10.1038/s41467-018-08197-4

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