The adenovirus type 5 E1B-55K oncoprotein actively shuttles in virus-infected cells, whereas transport of E4orf6 is mediated by a CRM1-Independent mechanism

Dosch, Tanja and Horn, Florian and Schneider, Grit and Kraetzer, Friedrich and Dobner, Thomas and Hauber, Joachim and Stauber, Roland H. (2001) The adenovirus type 5 E1B-55K oncoprotein actively shuttles in virus-infected cells, whereas transport of E4orf6 is mediated by a CRM1-Independent mechanism. JOURNAL OF VIROLOGY, 75 (12). pp. 5677-5683. ISSN 0022-538X

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Abstract

The E1B-55K and E4orf6 proteins of adenovirus type 5 are involved in viral mRNA export. Here we demonstrate that adenovirus infection does not inhibit the function of the E1B-55K nuclear export signal and that E1B-55K also shuttles in infected cells, Even during virus infection, E1B-55K was exported by the leptomycin B-sensitive CRM1 pathway, whereas E4orf6 transport appeared to be mediated by an alternative mechanism. Our results strengthen the potential role of E1B-55K as the "driving force" for adenoviral late mRNA export.

Item Type: Article
Uncontrolled Keywords: LATE GENE-EXPRESSION; NUCLEAR EXPORT SIGNAL; EARLY REGION-4; LIVING CELLS; INTRACELLULAR TRAFFICKING; TUMOR-ANTIGEN; PROTEIN; REV; BINDING; RNA;
Subjects: 600 Technology > 610 Medical sciences Medicine
Divisions: Medicine > Lehrstuhl für Medizinische Mikrobiologie und Hygiene
Depositing User: Dr. Gernot Deinzer
Date Deposited: 24 Jan 2022 13:55
Last Modified: 24 Jan 2022 13:55
URI: https://pred.uni-regensburg.de/id/eprint/41399

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