Promoter activity of the 1731 Drosophila retrotransposon in a human monocytic cell line

FEBS Letters

Codani-Simonart, Sophie¹  Fourcade-Peronnet, Frédérique¹  Best-Belpomme, Martin¹  Lacoste, Jérôme¹ 

[1] UA CNRS 1135, Groupe de Génétique Cellulaire et Moléculaire, Université P. et M. Curie, 7 quai St-Bernard, 75005 Paris, France

关键词: Retrotransposon 1731;    Drosophila melanogaster;    U937;    Chloramphenicol acetyl transferase;   

DOI  :  10.1016/0014-5793(93)81068-B

学科分类：生物化学/生物物理

来源: John Wiley & Sons Ltd.

【 摘 要 】

The resemblance between retrotransposons and retroviruses suggests an evolutionary relationship and indicates that they may share common transcription factors. We have analyzed the behaviour of the Drosophila 1731 retrotransposon promoter in the human monocytic U937 cell line. We show that the long terminal repeat (LTR) of 1731 promotes CAT (chloramphenicol acetyl transferase) activity in these cells, in which it is enhanced by phorbol esters. Using gel mobility assays, we detected a human nuclear protein that binds in the U3 region of the LTR in a sequence-specific manner. Its precise target was determined by a DNase I footprinting experiment.

【 授权许可】

Unknown