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A chromosome‐level genome of black rockfish, Sebastes schlegelii, provides insights into the evolution of live birth
Yan He1,2; Yue Chang3,4; Lisui Bao5; Mengjun Yu4,6; Rui Li1; Jingjing Niu1; Guangyi Fan4,6,7; Weihao Song1; Inge Seim8,9; Yating Qin4,6; Xuemei Li1; Jinxiang Liu1; Xiangfu Kong1; Meiting Peng1; Minmin Sun1; Mengya Wang1; Jiangbo Qu1; Xuangang Wang1; Xiaobing Liu1; Xiaolong Wu1; Xi Zhao1; Xuliang Wang1; Yaolei Zhang4,6; Jiao Guo4,6; Yang Liu4,6; Kaiqiang Liu4,6; Yilin Wang4,6; He Zhang4,10; Longqi Liu3,6; Mingyue Wang3,6; Haiyang Yu1; Xubo Wang1; Jie Cheng1; Zhigang Wang1; Xun Xu3,6; Jian Wang3,6; Huanming Yang3,6; Simon Ming‐Yuen Lee7; Xin Liu4,6,11; Quanqi Zhang1,2; Jie Qi1
2019-07
Source PublicationMOLECULAR ECOLOGY RESOURCES
ISSN1755-098X
Volume19Issue:5
Abstract

The black rockfish (Sebastes schlegelii) is a teleost in which eggs are fertilized internally and retained in the maternal reproductive system, where they undergo development until live birth (viviparity). In the present study, we report a chromosome-level black rockfish genome assembly. High-throughput transcriptome analysis (RNA-seq and ATAC-seq) coupled with in situ hybridization (ISH) and immunofluorescence reveal several candidate genes for maternal preparation, sperm storage and release, and hatching. We propose that zona pellucida (ZP) proteins retain sperm at the oocyte envelope, while genes in two distinct astacin metalloproteinase subfamilies serve to release sperm from the ZP and free the embryo from chorion at prehatching stage. We present a model of black rockfish reproduction, and propose that the rockfish ovarian wall has a similar function to the uterus of mammals. Together, these genomic data reveal unprecedented insights into the evolution of an unusual teleost life history strategy, and provide a sound foundation for studying viviparity in nonmammalian vertebrates and an invaluable resource for rockfish ecological and evolutionary research.

KeywordAstacin Metalloproteinase Atac‐seq Evolution Rockfish Genome Viviparity Zona Pellucida
DOI10.1111/1755-0998.13034
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Environmental Sciences & Ecology ; Evolutionary Biology
WOS SubjectBiochemistry & Molecular Biology ; Ecology ; Evolutionary Biology
WOS IDWOS:000477259500001
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Document TypeJournal article
专题Institute of Chinese Medical Sciences
Affiliation1.MOE Key Laboratory of Marine Genetics and Breeding, College of Marine Life Sciences, Ocean University of China, Qingdao, China
2.Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, China
3.BGI‐Shenzhen, Shenzhen, China
4.BGI‐Qingdao, BGI‐Shenzhen, Qingdao, China
5.The University of Chicago, Chicago, Illinois
6.China National GeneBank, BGI‐Shenzhen, Shenzhen, China
7.State Key Laboratory of Quality Research in Chinese Medicine and Institute of Chinese Medical Sciences, Macao, China
8.Integrative Biology Laboratory, College of Life Sciences, Nanjing Normal University, Nanjing, China
9.Comparative and Endocrine Biology Laboratory, Translational Research Institute‐Institute of Health and Biomedical Innovation, School of Biomedical Sciences, Queensland University of Technology, Brisbane, Australia
10.Department of Biology, Hong Kong Baptist University, Hong Kong, China
11.BGI‐Fuyang, BGI‐Shenzhen, Fuyang, China
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Yan He,Yue Chang,Lisui Bao,et al. A chromosome‐level genome of black rockfish, Sebastes schlegelii, provides insights into the evolution of live birth[J]. MOLECULAR ECOLOGY RESOURCES,2019,19(5).
APA Yan He.,Yue Chang.,Lisui Bao.,Mengjun Yu.,Rui Li.,...&Jie Qi.(2019).A chromosome‐level genome of black rockfish, Sebastes schlegelii, provides insights into the evolution of live birth.MOLECULAR ECOLOGY RESOURCES,19(5).
MLA Yan He,et al."A chromosome‐level genome of black rockfish, Sebastes schlegelii, provides insights into the evolution of live birth".MOLECULAR ECOLOGY RESOURCES 19.5(2019).
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