首页|An Improved Chromosome-Level Genome Assembly and Annotation of Belted Beard Grunt(Hapalogenys analis)

An Improved Chromosome-Level Genome Assembly and Annotation of Belted Beard Grunt(Hapalogenys analis)

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Hapalogenys analis(order Lobotiformes)is an economically and ecologically significant fish species.It is a typical se-dentary rocky reef fish and is primarily found in the northern Pacific Ocean.Here,we used Hi-C and PacBio sequencing technique to assemble a high-quality,chromosome-level genome for this species.The 539 Mb genome had a contig N50 with a size of 3.43 Mb,while 755 contigs clustered into 24 chromosomal groups with an anchoring rate of 99.02%.Of the total genomic sequence,132.74 Mb(24.39%)were annotated as repeat elements.A total of 21360 protein-coding genes were identified,of which 20787 genes(97.32%)were successfully annotated to public databases.The BUSCO evaluation indicated that 96.90%of the total orthologous genes were matched.The phylogenetic tree representing H.analis and 14 other bony fish species indicated that the H.analis genome contained 364 expanded gene families related to olfactory receptor activity,compared with the common ancestor of H.analis and Sciaenidae.Comparative genomic analysis further identified 3584 contracted gene families.Branch-site modeling identified 277 genes experi-encing positive selection,which may facilitate the adaptation to rocky reef environments.The genome reported here is helpful for ecological and evolutionary studies of H.analis.

Hapalogenys analisde novo assemblyPacBiocomparative genomics

GAO Tianxiang、WANG Yiting、SHI Huilai、PING Hongling、LIU Qi、ZHANG Yang

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Fishery College,Zhejiang Ocean University,Zhoushan 316022,China

Zhejiang Province Key Laboratory of Mariculture and Enhancement,Zhejiang Marine Fisheries Research Institute,Zhoushan 316021,China

Wuhan Onemore-Tech Co.,Ltd.,Wuhan 430076,China

Shenzhen Institute of Quality&Safety Inspection and Research,Shenzhen 518000,China

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Province Key Research and Development Program of ZhejiangSpecial Projects of Zhejiang Provincial Science and Technology DepartmentSpecial Projects of Zhejiang Provincial Science and Technology Departmentthe'San Nong Jiu Fang'Science and Technology Cooperation Project of Zhejiang Province

2021C02047HYS-CZ-004HYS-CZ-20 22082022 SN JF073

2024

10.1007/s11802-024-5759-x

中国海洋大学学报(自然科学英文版)
中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCD
影响因子：0.268
ISSN：1672-5182
年,卷(期)：2024.23(4)