Characterization of the nuclear import and export signals of pseudorabies virus UL31

Characterization of the nuclear import and export signals of pseudorabies virus UL31 The pseudorabies virus (PRV) UL31 protein (pUL31) is a homologue of the herpes simplex virus 1 pUL31, which is a multifunctional protein that is important for HSV-1 infection. However, little is known concerning the subcellular localization signal of PRV UL31. Here, by transfection with a series of PRV UL31 deletion mutants fused to an enhanced yellow fluorescent protein (EYFP) gene, a bipartite nuclear localization signal (NLS) and a PY motif NLS of UL31 were identified and mapped to amino acids (aa) 4 to 20 (RRRLLRRKSSAARRKTL) and aa 21 to 34 (TRAARDRYAPYFAY), respectively. Additionally, the predicted nuclear export signal (NES) was shown to be nonfunctional. Taken together, this information opens up new avenues for investigating the biological functions of UL31 during PRV infection. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Characterization of the nuclear import and export signals of pseudorabies virus UL31

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Publisher
Springer Vienna
Copyright
Copyright © 2015 by Springer-Verlag Wien
Subject
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-015-2527-7
Publisher site
See Article on Publisher Site

Abstract

The pseudorabies virus (PRV) UL31 protein (pUL31) is a homologue of the herpes simplex virus 1 pUL31, which is a multifunctional protein that is important for HSV-1 infection. However, little is known concerning the subcellular localization signal of PRV UL31. Here, by transfection with a series of PRV UL31 deletion mutants fused to an enhanced yellow fluorescent protein (EYFP) gene, a bipartite nuclear localization signal (NLS) and a PY motif NLS of UL31 were identified and mapped to amino acids (aa) 4 to 20 (RRRLLRRKSSAARRKTL) and aa 21 to 34 (TRAARDRYAPYFAY), respectively. Additionally, the predicted nuclear export signal (NES) was shown to be nonfunctional. Taken together, this information opens up new avenues for investigating the biological functions of UL31 during PRV infection.

Journal

Archives of VirologySpringer Journals

Published: Oct 1, 2015

References

  • Nucleolar targeting: the hub of the matter
    Emmott, E; Hiscox, JA
  • Nucleocytoplasmic transport
    Gorlich, D; Mattaj, IW

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