IOCAS-IR  > 海洋生物分类与系统演化实验室
DIVERSITY AND EVOLUTION OF LIVING OYSTERS
Guo, Ximing1; Li, Cui1,2,3; Wang, Haiyan2,3; Xu, Zhe4
2018-10-01
Source PublicationJOURNAL OF SHELLFISH RESEARCH
ISSN0730-8000
Volume37Issue:4Pages:755-771
Corresponding AuthorGuo, Ximing(xguo@hsrl.rutgers.edu)
AbstractOysters are difficult to classify because of plasticity in shell morphology. Difficulties in classification have hindered the understanding of oyster diversity and evolution. Recent molecular studies of living oysters have revealed high genetic diversity at species, population, and genome levels. New and cryptic species have been discovered, revealing surprisingly high species diversity under similar shell morphology. Genetic analyses have identified several species complexes where low genetic divergence indicates recent or ongoing speciation during the past 3-4 million years. Ongoing speciation is also supported by exceptionally high population divergence within some species. The oyster genome is highly polymorphic and gene-rich, with extensive expansion of genes related to stress and immune responses. High levels of genetic diversity and gene expansion in oysters are likely adaptations to variable environments. Local adaptation in oysters may be pervasive but countered by strong gene flow and balancing or multidirectional selections that favor diversity. Oysters have experienced several expansion and contraction events because of climate change since their origin in Permian. Studies on molecular adaptations to recent and historic climate change may provide insights into the evolution and speciation of oysters.
Keywordgenetic diversity oyster genome local adaptation speciation climate change Ostreidae Gryphaeidae
DOI10.2983/035.037.0407
Indexed BySCI
Language英语
Funding ProjectUSDA NIFA award[2015-70007-24245] ; NJAES Project[1004475/NJ32920] ; National Science Foundation of China[41776179]
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000454313100007
PublisherNATL SHELLFISHERIES ASSOC
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Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/155941
Collection海洋生物分类与系统演化实验室
Corresponding AuthorGuo, Ximing
Affiliation1.Rutgers State Univ, Dept Marine & Coastal Sci, Haskin Shellfish Res Lab, 6959 Miller Ave, Port Norris, NJ 08349 USA
2.Chinese Acad Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
4.Atlantic Cape Community Coll, Sci Dept, 5100 Black Horse Pike, Mays Landing, NJ 08330 USA
Recommended Citation
GB/T 7714
Guo, Ximing,Li, Cui,Wang, Haiyan,et al. DIVERSITY AND EVOLUTION OF LIVING OYSTERS[J]. JOURNAL OF SHELLFISH RESEARCH,2018,37(4):755-771.
APA Guo, Ximing,Li, Cui,Wang, Haiyan,&Xu, Zhe.(2018).DIVERSITY AND EVOLUTION OF LIVING OYSTERS.JOURNAL OF SHELLFISH RESEARCH,37(4),755-771.
MLA Guo, Ximing,et al."DIVERSITY AND EVOLUTION OF LIVING OYSTERS".JOURNAL OF SHELLFISH RESEARCH 37.4(2018):755-771.
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