Independent Hox-cluster duplications in lampreys

被引:70
作者
Fried, C
Prohaska, SJ
Stadler, PF
机构
[1] Univ Leipzig, Inst Informat, D-04103 Leipzig, Germany
[2] Inst Theoret Chem & Mol Strukturbiol Univ, A-1090 Vienna, Austria
来源
JOURNAL OF EXPERIMENTAL ZOOLOGY PART B-MOLECULAR AND DEVELOPMENTAL EVOLUTION | 2003年 / 299B卷 / 01期
关键词
D O I
10.1002/jez.b.00037
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
The analysis of the publicly available Hox gene sequences from the sea lamprey Petromyzon marinus provides evidence that the Hox clusters in lampreys and other vertebrate species arose from independent duplications. In particular, our analysis supports the hypothesis that the last common ancestor of agnathans and gnathostomes had only a single Hox cluster which was subsequently duplicated independently in the two lineages. (C) 2003 Wiley-Liss, Inc.
引用
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页码:18 / 25
页数:8
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