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Molecular and Fitness Data Reveal Local Adaptation of Southern and Northern Estuarine Oysters (Crassostrea ariakensis)
Li, Ao1,3,4,6; Wang, Chaogang1,5; Wang, Wei1,2,3,4; Zhang, Ziyan1,5; Liu, Mingkun1,2,3,4; She, Zhicai7; Jia, Zhen7; Zhang, Guofan1,2,3,4; Li, Li1,3,4,6
2020-11-03
Source PublicationFRONTIERS IN MARINE SCIENCE
Volume7Pages:10
Corresponding AuthorLi, Li(lili@qdio.ac.cn)
AbstractNatural selection and isolation are both important for understanding the geographic distribution of marine species and environmental responses to changing climate. In this study, we revealed distinct genetic variation in Crassostrea ariakensis by comparing the COI gene segment sequence in northern and southern oysters partitioned by the Yangtze River estuary. Reciprocal hybridization and intrapopulation crosses clarified their taxonomic status as the same species. There was no heterosis in the survival and growth of the hybrids, while the maternal effect was observed in larvae from eggs in the native habitat that showed higher fitness. Both the northern and southern F-1 progenies exhibited positive performance in fitness traits, including survivorship, respiration rate, and growth, in their native habitats compared to that in their non-native habitats, indicating a strong signature of local adaptation. The oysters dwelling in the warm/southern habitats evolved a higher thermotolerance of LT50, while the oysters inhabiting the high-salinity/northern habitats had a 2.43 parts per thousand higher LS50 than that of their southern counterparts. After strong natural selection in the northern environments, the higher survival of the F-1 progenies from the southern oysters under heat shock indicates an evolved genetic basis for its higher thermal tolerance. Strong environmental gradients, especially for temperature and salinity, and geographic isolation by the interaction between coastal currents and the Yangtze River estuary potentially contribute to shaping the distribution pattern and adaptive divergence of C. ariakensis in China.
Keywordenvironmental selection genetic drift genetic variation local adaptation taxonomic analyses reciprocal hybridization Crassostrea ariakensis
DOI10.3389/fmars.2020.589099
Indexed BySCI
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDA23050402] ; National Key R&D Program of China[2018YFD0900304] ; China Postdoctoral Science Foundation[2019TQ0324] ; Key Deployment Project of Centre for Ocean Mega-Research of Science, Chinese Academy of Sciences[COMS2019Q06] ; Distinguished Young Scientists Research Fund of the Key Laboratory of Experimental Marine Biology, Chinese Academy of Sciences[KLEMB-DYS04] ; Technology and Modern Agro-Industry Technology Research System[CARS-49] ; Guangxi Key Laboratory of Beibu Gulf Marine Biodiversity Conservation[2020ZB04]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000589699700001
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/169211
Collection实验海洋生物学重点实验室
Corresponding AuthorLi, Li
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Natl & Local Joint Engn Lab Ecol Mariculture, Qingdao, Peoples R China
5.Univ Chinese Acad Sci, Beijing, Peoples R China
6.Pilot Natl Lab Marine Sci & Technol, Lab Marine Fisheries Sci & Food Prod Proc, Qingdao, Peoples R China
7.Beibu Gulf Univ, Ocean Coll, Qinzhou, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Li, Ao,Wang, Chaogang,Wang, Wei,et al. Molecular and Fitness Data Reveal Local Adaptation of Southern and Northern Estuarine Oysters (Crassostrea ariakensis)[J]. FRONTIERS IN MARINE SCIENCE,2020,7:10.
APA Li, Ao.,Wang, Chaogang.,Wang, Wei.,Zhang, Ziyan.,Liu, Mingkun.,...&Li, Li.(2020).Molecular and Fitness Data Reveal Local Adaptation of Southern and Northern Estuarine Oysters (Crassostrea ariakensis).FRONTIERS IN MARINE SCIENCE,7,10.
MLA Li, Ao,et al."Molecular and Fitness Data Reveal Local Adaptation of Southern and Northern Estuarine Oysters (Crassostrea ariakensis)".FRONTIERS IN MARINE SCIENCE 7(2020):10.
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