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Evolutionary history of two divergent Dmrt1 genes reveals two rounds of polyploidy origins in gibel carp
Li, Xi-Yin; Zhang, Xiao-Juan; Li, Zhi; Hong, Wei; Liu, Wei; Zhang, Jun; Gui, Jian-Fang
2014-09-01
Source PublicationMOLECULAR PHYLOGENETICS AND EVOLUTION
ISSN1055-7903
Volume78Pages:96-104
AbstractPolyploidy lineages, despite very rare in vertebrates, have been proposed to play significant role in speciation and evolutionary success, but the occurrence history and consequences are still largely unknown. In this study, we used the conserved Dmrt1 to analyze polyploidy occurrence and evolutionary process in polyploid gibel carp. We identified two divergent Dmrt1 genes and respectively localized the two genes on three homologous chromosomes. Subsequently, the corresponding full-length cDNAs and genomic sequences of Dmrt1 genes were also characterized from the closely related species including Carassius auratus auratus and Cyprinus carpio, and their two Dmrt1 genes were respectively localized on two homologous chromosomes. Significantly, the evolutionary relationship analyses among cDNA and genomic DNA sequences of these Dmrt1 genes revealed two rounds of polyploidy origins in the gibel carp: an early polyploidy might result in an common tetraploid ancestor of Carassius auratus gibelio, Carassius auratus auratus and Cyprinus carpio before 18.49 million years ago (Mya), and an late polyploidy might occur from evolutionary branch of Carassius auratus at around 0.51 Mya, which lead to the occurrence of the hexaploid gibel carp. Therefore, this study provides clear genetic evidence for understanding occurrence time and historical process of polyploidy in polyploid vertebrates. (C) 2014 Elsevier Inc. All rights reserved.
SubtypeArticle
KeywordDmrt1 Sex Determination Polyploidy Diploidization Evolutionary History
DOI10.1016/j.ympev.2014.05.005
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS SubjectBiochemistry & Molecular Biology ; Evolutionary Biology ; Genetics & Heredity
WOS IDWOS:000342480400009
WOS KeywordCARASSIUS-AURATUS-GIBELIO ; SILVER CRUCIAN CARP ; DM-DOMAIN GENE ; LIBRARY CONSTRUCTION ; SEX DETERMINATION ; CLONAL DIVERSITY ; CYPRINUS-CARPIO ; Y-CHROMOSOME ; FISH ; COMPLEX
Citation statistics
Cited Times:29[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/20339
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
AffiliationChinese Acad Sci, Grad Univ, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Li, Xi-Yin,Zhang, Xiao-Juan,Li, Zhi,et al. Evolutionary history of two divergent Dmrt1 genes reveals two rounds of polyploidy origins in gibel carp[J]. MOLECULAR PHYLOGENETICS AND EVOLUTION,2014,78:96-104.
APA Li, Xi-Yin.,Zhang, Xiao-Juan.,Li, Zhi.,Hong, Wei.,Liu, Wei.,...&Gui, Jian-Fang.(2014).Evolutionary history of two divergent Dmrt1 genes reveals two rounds of polyploidy origins in gibel carp.MOLECULAR PHYLOGENETICS AND EVOLUTION,78,96-104.
MLA Li, Xi-Yin,et al."Evolutionary history of two divergent Dmrt1 genes reveals two rounds of polyploidy origins in gibel carp".MOLECULAR PHYLOGENETICS AND EVOLUTION 78(2014):96-104.
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