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学科主题: Genetics & Heredity
题名: Recent invasion and low level of divergence between diploid and triploid forms of Carassius auratus complex in Croatia
作者: Jakovlic, Ivan ; Gui, Jian-Fang
通讯作者: Gui, JF (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Grad Sch, Wuhan 430072, Peoples R China ; jfgui@ihb.ac.cn
关键词: Carassius auratus complex ; Gibel carp D-loop ; Clonal diversity ; Invasive species ; Microsatellites ; Ploidy
刊名: GENETICA
发表日期: 2011
卷: 139, 期:6, 页:789-804
收录类别: SCI
部门归属: [Jakovlic, I; Gui, JF] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Grad Sch, Wuhan 430072, Peoples R China
资助者: Modern Agro-industry Technology Research System[NYCYTX-49]; National Natural Science Foundation of China[30630050]; Graduate School of Chinese Academy of Sciences[082Z03]; State Key Laboratory of Freshwater Ecology and Biotechnology[2008FBZ15]; Institute of Hydrobiology, Chinese Academy of Sciences[075A011301, 085A021301]
摘要: Carassius auratus is an invasive species in European waters, comprising a complex of diploid and polyploid forms with different modes of reproduction. However, the evolutionary history and relationships between the diploids and polyploids are still unresolved. In this study, 51.5% diploids and 48.5% triploids, including four triploid males, were discovered among the 363 individuals sampled in Croatia. We used eight microsatellite loci and mitochondrial displacement loop sequences to analyze the structure and origin of populations; and to attempt to infer the evolutionary history of the two different forms in Croatia. Microsatellite analyses revealed high allelic and clonal diversity, corroborating that high propagule vectors can compensate for the negative effects of genetic bottlenecks in successful invasive species. The absence of significant population structuring confirmed recent origin and rapid spreading of populations. No evidence was found for the existence of native European populations. Distances between individuals using both nuclear and mtDNA markers revealed the absence of substantial clustering on the ploidy level, while the split between the different ploidies on population level was only partial, suggesting that the reproductive isolation between the two forms is either of a very recent origin, or that there exists uni-, or bidirectional gene flow between the diploid and triploid forms.
语种: 英语
WOS记录号: WOS:000291751300008
ISSN号: 0016-6707
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/16329
Appears in Collections:鱼类生物学及渔业生物技术研究中心_期刊论文

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Jakovlic, Ivan; Gui, Jian-Fang.Recent invasion and low level of divergence between diploid and triploid forms of Carassius auratus complex in Croatia,GENETICA,2011,139(6):789-804
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文件名: Recent invasion and low level of divergence between diploid and triploid forms of Carassius auratus complex in Croatia.pdf
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