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题名: Comparative mapping for bighead carp (Aristichthys nobilis) against model and non-model fishes provides insights into the genomic evolution of cyprinids
作者: Zhu, Chuankun1, 2; Tong, Jingou1; Yu, Xiaomu1; Guo, Wenjie1
关键词: Comparative genome mapping ; Bighead carp (Aristichthys nobilis) ; Cyprinids ; Syntenic region ; Genomic evolution
刊名: MOLECULAR GENETICS AND GENOMICS
发表日期: 2015-08-01
DOI: 10.1007/s00438-015-0992-z
卷: 290, 期:4, 页:1313-1326
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
研究领域[WOS]: Biochemistry & Molecular Biology ; Genetics & Heredity
英文摘要: Comparative mapping provides an efficient method to connect genomes of non-model and model fishes. In this study, we used flanking sequences of the 659 microsatellites on a genetic map of bighead carp (Aristichthys nobilis) to comprehensively study syntenic relationships between bighead carp and nine model and non-model fishes. Of the five model and two food fishes with whole genome data, Cyprinus carpio showed the highest rate of positive BLAST hits (95.3 %) with bighead carp map, followed by Danio rerio (70.9 %), Oreochromis niloticus (21.7 %), Tetraodon nigroviridis (6.4 %), Gasterosteus aculeatus (5.2 %), Oryzias latipes (4.7 %) and Fugu rubripes (3.5 %). Chromosomal syntenic analyses showed that inversion was the basic chromosomal rearrangement during genomic evolution of cyprinids, and the extent of inversions and translocations was found to be positively correlated with evolutionary relationships among fishes studied. Among the five investigated cyprinids, linkage groups (LGs) of bighead carp, Hypophthalmichthys molitrix and Ctenopharyngodon idella exhibited a one-to-one relationship. Besides, LG 9 of bighead carp and homologous LGs of silver carp and grass carp all corresponded to the chromosomes 10 and 22 of zebrafish, suggesting that chromosomal fission may have occurred in the ancestor of zebrafish. On the other hand, LGs of bighead carp and common carp showed an approximate one-to-two relationship with extensive translocations, confirming the occurrence of a 4th whole genome duplication in common carp. This study provides insights into the understanding of genome evolution among cyprinids and would aid in transferring positional and functional information of genes from model fish like zebrafish to non-model fish like bighead carp.
关键词[WOS]: GENETIC-LINKAGE MAP ; QUANTITATIVE TRAIT LOCI ; TETRAODON-NIGROVIRIDIS ; VERTEBRATE CHROMOSOMES ; MICROSATELLITE MARKERS ; PHYSICAL MAP ; ZEBRAFISH ; DUPLICATION ; REVEALS ; L.
语种: 英语
WOS记录号: WOS:000358246000009
ISSN号: 1617-4615
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/25956
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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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
2.Huaiyin Normal Univ, Jiangsu Engn Lab Breeding Special Aquat Organisms, Huaian 223300, Peoples R China
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