Abstract
The yellowfin seabream, Acanthopagrus latus, is widely distributed throughout the Indo-West Pacific. This species, as a euryhaline Sparidae fish, inhabits in coastal environments with large and frequent salinity fluctuation. So the A. latus can be considered as an ideal species for elucidating the evolutionary mechanism of salinity stress adaption on teleost fish species. Here, a chromosome-scale assembly of A. latus was obtained with PacBio and Hi-C hybrid sequencing strategy. The final assembly genome of A. latus is 685.14 Mbp. The values of contig N50 and scaffold N50 are 14.88 Mbp and 30.72 Mbp, respectively. 29,227 genes were successfully predicted for A. latus in total. Then, the comparative genomics and phylogenetic analysis were employed for investigating the different osmoregulation strategies of salinity stress adaption on multiple whole genome scale of Sparidae species. The highly accurate chromosomal information provides the important genome resources for understanding the osmoregulation evolutionary pattern of the euryhaline Sparidae species.
Data Availability
All sequencing data, including Illumina short reads, PacBio long reads, Hi-C reads were submitted to the NCBI Sequence Read Archive (SRA) database under Bioproject accession PRJEB40702. The assembled genome was deposited at DDBJ/ENA/GenBank under the accession GCA_904848185.1.
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Funding
This work was supported by the National Natural Science Foundation of China [No. 91858208], [No. 31902427], R&D Project for Jinwan Yellowfin Seabream Breeding System Construction [No. K20-42000–018], Science and Technology Project of Zhanjiang [No. 2019A03011], and Innovation Group Project of Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai) [No. 311020005].
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J. L. and D. G. designed the experiments. W. F., J. X., and G. L. collected the samples. D. G., W. F., Y. S., J. C., J. T., G. L., J. X., and K. H. performed the experiments and analyzed the data. D. G. and J. L. wrote the manuscript, D. G. and J. L. revised the manuscript. All authors read and approved the final version of the manuscript.
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All experimental procedures in our study with A. latus were approved by the Animal Care and Use Committee of the School of Marine Sciences, Sun Yat-Sen University.
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The authors declare no competing interests.
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Lu, J., Gao, D., Sims, Y. et al. Chromosome-level Genome Assembly of Acanthopagrus latus Provides Insights into Salinity Stress Adaptation of Sparidae. Mar Biotechnol 24, 655–660 (2022). https://doi.org/10.1007/s10126-022-10119-x
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DOI: https://doi.org/10.1007/s10126-022-10119-x