Characterization of a spontaneous drug-resistant mutant of monkey B virus ( Macacine herpesvirus 1)

Characterization of a spontaneous drug-resistant mutant of monkey B virus ( Macacine herpesvirus 1) Monkey B virus ( Macacine herpesvirus 1; BV) is an α-herpesvirus of macaques that causes serious infections in humans. A spontaneous mutant resistant to penciclovir (PCV) was isolated. Several genes were sequenced to identify mutations potentially responsible for PCV resistance. A single nucleotide deletion in the thymidine kinase (TK) gene was identified. To confirm its role in PCV resistance, several TK recombinants were constructed. A TK-deletion virus and a recombinant carrying the mutation were both resistant to PCV, while a revertant was PCV-sensitive. These results demonstrate that spontaneous drug-resistant mutants of BV do occur and that the BV TK is responsible for sensitivity to PCV. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Virology Springer Journals

Characterization of a spontaneous drug-resistant mutant of monkey B virus ( Macacine herpesvirus 1)

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Publisher
Springer Journals
Copyright
Copyright © 2009 by Springer-Verlag
Subject
Biomedicine; Infectious Diseases; Medical Microbiology ; Virology
ISSN
0304-8608
eISSN
1432-8798
D.O.I.
10.1007/s00705-009-0452-3
Publisher site
See Article on Publisher Site

Abstract

Monkey B virus ( Macacine herpesvirus 1; BV) is an α-herpesvirus of macaques that causes serious infections in humans. A spontaneous mutant resistant to penciclovir (PCV) was isolated. Several genes were sequenced to identify mutations potentially responsible for PCV resistance. A single nucleotide deletion in the thymidine kinase (TK) gene was identified. To confirm its role in PCV resistance, several TK recombinants were constructed. A TK-deletion virus and a recombinant carrying the mutation were both resistant to PCV, while a revertant was PCV-sensitive. These results demonstrate that spontaneous drug-resistant mutants of BV do occur and that the BV TK is responsible for sensitivity to PCV.

Journal

Archives of VirologySpringer Journals

Published: Sep 1, 2009

References

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