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Population genomics analysis to identify ion and water transporter genes involved in the adaptation of Tibetan naked carps to brackish water
Tian, Fei; Zhou, Bingzheng; Li, Xiaohuan; Zhang, Yu; Qi, Delin; Qi, Hongfang; Jiang, Huamin; Zhao, Kai; Liu, Sijia
2023
Source PublicationINTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
Volume247
AbstractUnderstanding how evolutionary processes shape the genetic variations and influence the response of species to environmental alterations is critical for biodiversity conservation and molecular breeding. Gymnocypris prze-walskii przewalskii is the only known cyprinid fish that dwells in the brackish water of Lake Qinghai on the Qinghai-Tibetan Plateau. To reveal the genetic basis of its adaptation to high salinity and alkalinity, whole-genome sequencing was performed in G. p. przewalskii and its freshwater relatives Gymnocypris eckloni and Gymnocypris przewalskii ganzihonensis. Compared with freshwater species, lower genetic diversity and higher linkage disequilibrium were observed in G. p. przewalskii. Selective sweep analysis identified 424 core-selective genes enriched in transport activities. Transfection analysis showed that genetic changes in the positively selected gene aquaporin 3 (AQP3) improved cell viability after salt treatment, suggesting its involvement in brackish water adaptation. Our analysis indicates that ion and water transporter genes experienced intensive selection, which might have contributed to the maintenance of high osmolality and ion content in G. p. prze-walskii. The current study identified key molecules involved in the adaptation of fish to brackish water, providing valuable genomic resources for the molecular breeding of salt-tolerant fish.
Indexed BySCIE
Document Type期刊论文
Identifierhttp://210.75.249.4/handle/363003/61612
Collection中国科学院西北高原生物研究所
Recommended Citation
GB/T 7714
Tian, Fei,Zhou, Bingzheng,Li, Xiaohuan,et al. Population genomics analysis to identify ion and water transporter genes involved in the adaptation of Tibetan naked carps to brackish water[J]. INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,2023,247.
APA Tian, Fei.,Zhou, Bingzheng.,Li, Xiaohuan.,Zhang, Yu.,Qi, Delin.,...&Liu, Sijia.(2023).Population genomics analysis to identify ion and water transporter genes involved in the adaptation of Tibetan naked carps to brackish water.INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES,247.
MLA Tian, Fei,et al."Population genomics analysis to identify ion and water transporter genes involved in the adaptation of Tibetan naked carps to brackish water".INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 247(2023).
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