Patient-Derived Cytomegaloviruses with Different Ganciclovir Sensitivities from UL97 Mutation Retain Their Replication Efficiency and Some Kinase Activity In Vitro
Author(s) -
Diana Wong,
Wendy J. van Zuylen,
Stuart T. Hamilton,
Mirjam Steingruber,
Eric Sonntag,
Manfred Marschall,
William D. Rawlinson
Publication year - 2019
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.02425-18
Subject(s) - ganciclovir , in vitro , mutation , biology , virology , replication (statistics) , genetics , kinase , microbiology and biotechnology , gene , virus , human cytomegalovirus
Mutations in the cytomegalovirus UL97 kinase gene contribute to antiviral resistance. Mutations A594S and G598D from two clinical isolates were analyzed, and bacterial artificial chromosome (BAC)-engineered A594S recombinant cytomegalovirus exhibited a ganciclovir-resistant phenotype on plaque reduction. Viral replication was comparable to that of the wild type. Cell-based kinase activity and autophosphorylation of ectopically expressed proteins showed that mutants retained some kinase activity.
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