International Journal of Marine Science, 2025, Vol.15, No.4, 179-185 http://www.aquapublisher.com/index.php/ijms 184 8.2 Building resilience to climate pressure Genomic studies have revealed more than just interesting patterns-they’ve made it possible to think about resilience in a more structured way. Variations in gene regulation, family expansion, and population-level adaptation all play into how oysters cope with climate stress. This knowledge helps managers and breeders alike. If we know which populations have the genetic tools to tolerate future conditions, conservation and aquaculture planning can be more targeted. In a time of rising sea temperatures and unpredictable salinity shifts, that information could make a real difference. Acknowledgements The authors gratefully acknowledge the support provided by Cai X.G. and thank the two peer reviewers for their suggestions. Conflict of Interest Disclosure The authors confirm that the study was conducted without any commercial or financial relationships and could be interpreted as a potential conflict of interest. References Adkins P., and Mrowicki R., 2023, The genome sequence of the European flat oyster Ostrea edulis (Linnaeus 1758), Wellcome Open Research, 8: 556. https://doi.org/10.12688/wellcomeopenres.19916.1 Bernatchez S., Xuereb A., Laporte M., Benestan L., Steeves R., Laflamme M., Bernatchez L., and Mallet M., 2018, Seascape genomics of eastern oyster (Crassostrea virginica) along the Atlantic coast of Canada, Evolutionary Applications, 12: 587-609. https://doi.org/10.1111/eva.12741 Brew D.W., Black M.C., Santos M., Rodgers J., and Henderson W.M., 2020, Metabolomic investigations of the temporal effects of exposure to pharmaceuticals and personal care products and their mixture in the eastern oyster (Crassostrea virginica), Environmental Toxicology and Chemistry, 39(2): 419-436. https://doi.org/10.1002/etc.4627 Dupoué A., Mello D., Trevisan R., Dubreuil C., Quéau I., Petton S., Huvet A., Guével B., Com E., Pernet F., Salin K., Fleury E., and Corporeau C., 2023, Intertidal limits shape covariation between metabolic plasticity oxidative stress and telomere dynamics in Pacific oyster (Crassostrea gigas), Marine Environmental Research, 191: 106149. https://doi.org/10.1016/j.marenvres.2023.106149 Eierman L., and Hare M., 2016, Reef-specific patterns of gene expression plasticity in eastern oysters (Crassostrea virginica), The Journal of Heredity, 107(1): 90-100. https://doi.org/10.1093/jhered/esv057 Farias N., De Oliveira N., and Da Silva P., 2017, Perkinsus infection is associated with alterations in the level of global DNA methylation of gills and gastrointestinal tract of the oyster Crassostrea gasar, Journal of Invertebrate Pathology, 149: 76-81. https://doi.org/10.1016/j.jip.2017.08.007 Fu H., Tian J., Shi C., Li Q., and Liu S., 2022, Ecological significance of G protein-coupled receptors in the Pacific oyster (Crassostrea gigas): pervasive gene duplication and distinct transcriptional response to marine environmental stresses, Marine Pollution Bulletin, 185: 114269. https://doi.org/10.1016/j.marpolbul.2022.114269 Gundappa M., Peñaloza C., Regan T., Boutet I., Tanguy A., Houston R., Bean T., and Macqueen D., 2022, Chromosome‐level reference genome for European flat oyster (Ostrea edulis L.), Evolutionary Applications, 15: 1713-1729. https://doi.org/10.1111/eva.13460 Li A., Dai H., Guo X.M., Zhang Z.Y., Zhang K.X., Wang C.G., Wang W., Chen H.J., Li X.M., Zheng H.K., Zhang G.G., and Li L., 2021, Genome of the estuarine oyster provides insights into climate impact and adaptive plasticity, Communications Biology, 4(1): 1287. https://doi.org/10.1038/s42003-021-02823-6 Li A., Wang C., Wang W., Zhang Z., Liu M., She Z., Jia Z., Zhang G., and Li L., 2020, Molecular and fitness data reveal local adaptation of southern and northern Estuarine oysters (Crassostrea ariakensis), Frontiers in Marine Science, 7: 589099. https://doi.org/10.3389/fmars.2020.589099 Li A., Zhao J., Dai H., Zhao M., Zhang M., Wang W., Zhang G., and Li L., 2024a, Chromosome-level genome assembly of the Suminoe oyster Crassostrea ariakensis in South China, Scientific Data, 11(1): 1296. https://doi.org/10.1038/s41597-024-04145-8 Li L., Li A., Song K., Meng J., Guo X., Li S., Li C., De Wit P., Que H., Wu F., Wang W., Qi H., Xu F., Cong R., Huang B., Li Y., Wang T., Tang X., Liu S., Li B., Shi R., Liu Y., Bu C., Zhang C., He W., Zhao S., Li H., Zhang S., Zhang L., and Zhang G., 2018, Divergence and plasticity shape adaptive potential of the Pacific oyster, Nature Ecology and Evolution, 2: 1751-1760. https://doi.org/10.1038/s41559-018-0668-2 Li Y., Nong W., Baril T., Yip H.Y., Swale T., Hayward A., Ferrier D.E.K., and Hui J., 2020, Reconstruction of ancient homeobox gene linkages inferred from a new high-quality assembly of the Hong Kong oyster (Magallana hongkongensis) genome, BMC Genomics, 21(1): 713. https://doi.org/10.1186/s12864-020-07027-6
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