Evolution and horizontal transfer of a DD37E DNA transposon in mosquitoes

被引：10

作者：

Biedler, James K. ^{[1
]}

Sha, Hongguang ^{[1
]}

Tu, Zhijian ^{[1
]}

机构：

[1] Virginia Polytech Inst & State Univ, Dept Biochem, Blacksburg, VA 24061 USA

来源：

GENETICS | 2007年 / 177卷 / 04期

关键词：

D O I：

10.1534/genetics.107.081109

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

1TmD37E, a unique class II transposable element (TE) with an ancient origin, appears to have been involved in multiple horizontal transfers in mosquitoes as ITmD37E sequences from 10 mosquito species of five genera share high nucleotide (tu) identities. For example, ITmD37E sequences from Aedes aegypti and Anopheles gambiae, which have all estimated common ancestor of 145-200 million years ago, display 92% nt identity. The comparison of ITmD37E and host mosquito phylogenies shows a lack of congruence. The wide distribution of conserved ITmD37Es in mosquitoes and the presence of intact copies suggest this element may have been recently active.

引用

页码：2553 / 2558

页数：6

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