The mariner transposable element in natural populations of Drosophila teissieri

被引：15

作者：

Brunet, F ^{[1
]}

Godin, F ^{[1
]}

Bazin, C ^{[1
]}

David, JR ^{[1
]}

Capy, P ^{[1
]}

机构：

[1] CNRS,LAB POPULAT GENET & EVOLUT,F-91198 GIF SUR YVETTE,FRANCE

来源：

JOURNAL OF MOLECULAR EVOLUTION | 1996年 / 42卷 / 06期

关键词：

Drosophila teissieri; mariner; transposon; natural populations; deleted elements;

D O I：

10.1007/BF02338800

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The mariner transposable elements of several natural populations of Drosophila teissieri, a rain-forest species endemic to tropical Africa, were studied. Natural populations trapped along a transect from Zimbabwe to the Ivory Coast were analyzed by Southern blotting, in situ hybridization, cloning, and sequencing of PCR products. The Brazzaville population had some full-length elements, while the remaining populations had mainly deleted elements. The main class of deleted elements lacked a 500-bp segment. A mechanism is proposed that could generate such elements rapidly. In situ hybridizations showed that there are no Mariner elements in pericentromeric heterochromatin. Finally, the phylogeny of the Mos1-like mariner full-length elements is consistent with vertical transmission from the ancestor of the melanogaster subgroup.

引用

页码：669 / 675

页数：7

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