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Virology. 2005 Jun 20;337(1):1-6.

A novel, mouse mammary tumor virus encoded protein with Rev-like properties.

Author information

1
Research Institute for Virology and Biomedicine, University of Veterinary Medicine, Austria.

Abstract

We have identified a novel, multiple spliced, subgenomic mRNA species in MMTV producing cells of different origin containing an open reading frame encoding a 39-kDa Rev-like protein, Rem (regulator of expression of MMTV). An EGFP-Rem fusion protein is shown to be predominantly in the nucleolus. Further leptomycin B inhibits the nuclear export of nonspliced MMTV transcripts, implicating Rem in nuclear export by the Crm1 pathway in MMTV. Rem is thus reminiscent of the Rec protein from the related endogenous human retrovirus, HERV-K.

PMID:
15914215
DOI:
10.1016/j.virol.2005.03.040
[Indexed for MEDLINE]
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