Tempo and mode of recurrent polyploidization in the Carassius auratus species complex (Cypriniformes,Cyprinidae)
文献类型：期刊论文
| 作者 | Luo J1; Gao Y2; Ma W1; Bi XY1; Wang SY2,3; Wang J1; Wang YQ1; Chai J1; Du R1; Wu SF2 |
| 刊名 | Heredity
 |
| 出版日期 | 2014 |
| 卷号 | 112期号:4页码:415–427 |
| 关键词 | goldfish autopolyploidization tetraploid hexaploid |
| 通讯作者 | zhangyp1@263.net.cn |
| 合作状况 | 其它 |
| 英文摘要 | Polyploidization is an evolutionarily rare but important mechanism in both plants and animals because it increases genetic diversity. Goldfish of the Carassius auratus species complex can be tetraploids, hexaploids and octaploids. Polyploidization events have occurred repeatedly in goldfish, yet the extent of this phenomenon and its phyletic history are poorly understood. We explore the origin, tempo and frequency of polyploidization in Chinese and Japanese goldfish using both mitochondrial (mtDNA) and nuclear DNA sequences from up to 1202 individuals including the outgroup taxon, Cyprinus carpio. Analyses of de novo nuclear gene data resolve two clusters of alleles and the pattern supports the prior hypothesis of an ancient allotetraploidization for Carassius. Alleles shared by tetraploid and hexaploid individuals indicate recent autoploidizations within the C. auratus complex. Sympatric tetraploids and hexaploids share mtDNA haplotypes and these frequently occur independently within six well-supported lineages and sublineages on a small spatial scale. Gene flow estimates (F-st values) indicate that hexaploids differ only slightly from sympatric tetraploids, if at all. In contrast, allopatric populations of tetraploids and hexaploids differ from one another to a far greater extent. Gene flow between sampled localities appears to be limited. Coalescence-based time estimations for hexaploids reveal that the oldest lineage within any sampled locality is around one million years old, which is very young. Sympatric, recurrent autoploidization occurs in all sampled populations of the C. auratus complex. Goldfish experience polyploidization events more frequently than any other vertebrate. |
| 收录类别 | SCI |
| 资助信息 | This work was supported by grants from National Science Foundation of China (31360514 and 30870291 to J Luo; 30600065 to Y Gao; and 31061160189 to Y-p Zhang; 30930071 to SJ Liu), Bureau of Science and Technology of Yunnan Province and the State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, CAS. Manuscript preparation was supported by a Discovery Grant from the Natural Sciences and Engineering Research Council of Canada (3148) and by a Visiting Professorship for Senior International Scientists from the Chinese Academy of Sciences to RW Murphy. |
| 语种 | 英语 |
| 公开日期 | 2014-04-18 |
| 源URL | [http://159.226.149.42:8088/handle/152453/7843]  |
| 专题 | 昆明动物研究所_分子进化基因组学 昆明动物研究所_遗传资源与进化国家重点实验室 |
| 作者单位 | 1.Laboratory of Conservation and Utilization of Bio-resources and Key Laboratory for Animal Genetic Diversity and Evolution of High Education in Yunnan Province, School of Life Sciences, Yunnan University, Kunming, Yunnan, China 2.State Key Laboratory of Genetic Resources and Evolution and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, Yunnan, China 3.School of life sciences, University of Science and Technology of China, Hefei, Anhui, China 4.Lehrstuhl fu ¨r Zoologie und Evolutionsbiologie, Department of Biology, University of Konstanz, Konstanz, Baden-Wu ¨rttemberg, Germany 5.Centre for Biodiversity and Conservation Biology, Royal Ontario Museum, Toronto, ON, Canada |
| 推荐引用方式 GB/T 7714 | Luo J,Gao Y,Ma W,et al. Tempo and mode of recurrent polyploidization in the Carassius auratus species complex (Cypriniformes,Cyprinidae)[J]. Heredity,2014,112(4):415–427. |
| APA | Luo J.,Gao Y.,Ma W.,Bi XY.,Wang SY.,...&Zhang YP[*].(2014).Tempo and mode of recurrent polyploidization in the Carassius auratus species complex (Cypriniformes,Cyprinidae).Heredity,112(4),415–427. |
| MLA | Luo J,et al."Tempo and mode of recurrent polyploidization in the Carassius auratus species complex (Cypriniformes,Cyprinidae)".Heredity 112.4(2014):415–427. |
入库方式： OAI收割
来源：昆明动物研究所
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