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学科主题: Evolutionary Biology; Developmental Biology; Zoology
题名: PCR survey of Hox genes in the goldfish Carassius auratus auratus
作者: Luo, Jing; Stadler, Peter F.; He, Shunping; Meyer, Axel
通讯作者: Meyer, A, Univ Konstanz, Lehrstuhl Zool & Evolutionsbiol, Dept Biol, Univ Str 10, D-78457 Constance, Germany
关键词: VERTEBRATE GENOME EVOLUTION ; TROUT ONCORHYNCHUS-MYKISS ; RAY-FINNED FISH ; HOMEOBOX GENES ; DUPLICATE GENES ; TELEOST FISHES ; CLUSTERS ; POLYPLOIDS ; CONSEQUENCES ; PRESERVATION
刊名: JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION
发表日期: 2007-05-15
DOI: 10.1002/jez.b.21144
卷: 308B, 期:3, 页:250-258
收录类别: SCI
文章类型: Article
部门归属: Univ Konstanz, Lehrstuhl Zool & Evolutionsbiol, Dept Biol, D-78457 Constance, Germany; Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China; Univ Leipzig, Inst Informat, Lehrstuhl Bioinformat, D-04103 Leipzig, Germany; Univ Vienna, Inst Theoret Chem & Mol Strukt Biol, A-1090 Vienna, Austria; Santa Fe Inst, Santa Fe, NM 87501 USA
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Evolutionary Biology ; Developmental Biology ; Zoology
研究领域[WOS]: Evolutionary Biology ; Developmental Biology ; Zoology
摘要: A tetraploidization event took place in the cyprinid lineage leading to goldfishes about 15 million years ago. A PCR survey for Hox genes in the goldfish Carassius auratus auratus (Actinopterygii: Cyprinidae) was performed to assess the consequences of this genome duplication. Not surprisingly, the genomic organization of the Hox gene clusters of goldfish is similar to that of the closely related zebrafish (Danio rerio). However, the goldfish exhibits a much larger number of recent pseudogenes, which are characterized by indels. These findings are consistent with the hypothesis that dosage effects cause selection pressure to rapidly silence crucial developmental regulators after a tetraploidization event.
英文摘要: A tetraploidization event took place in the cyprinid lineage leading to goldfishes about 15 million years ago. A PCR survey for Hox genes in the goldfish Carassius auratus auratus (Actinopterygii: Cyprinidae) was performed to assess the consequences of this genome duplication. Not surprisingly, the genomic organization of the Hox gene clusters of goldfish is similar to that of the closely related zebrafish (Danio rerio). However, the goldfish exhibits a much larger number of recent pseudogenes, which are characterized by indels. These findings are consistent with the hypothesis that dosage effects cause selection pressure to rapidly silence crucial developmental regulators after a tetraploidization event.
关键词[WOS]: VERTEBRATE GENOME EVOLUTION ; TROUT ONCORHYNCHUS-MYKISS ; RAY-FINNED FISH ; HOMEOBOX GENES ; DUPLICATE GENES ; TELEOST FISHES ; CLUSTERS ; POLYPLOIDS ; CONSEQUENCES ; PRESERVATION
语种: 英语
WOS记录号: WOS:000246716100005
ISSN号: 1552-5007
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/8572
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Univ Konstanz, Lehrstuhl Zool & Evolutionsbiol, Dept Biol, D-78457 Constance, Germany
2.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei, Peoples R China
3.Univ Leipzig, Inst Informat, Lehrstuhl Bioinformat, D-04103 Leipzig, Germany
4.Univ Vienna, Inst Theoret Chem & Mol Strukt Biol, A-1090 Vienna, Austria
5.Santa Fe Inst, Santa Fe, NM 87501 USA

Recommended Citation:
Luo, Jing; Stadler, Peter F.; He, Shunping; Meyer, Axel.PCR survey of Hox genes in the goldfish Carassius auratus auratus,JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION,2007,308B(3):250-258
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