Growth and Drug Resistance Phenotypes Resulting from Cytomegalovirus DNA Polymerase Region III Mutations Observed in Clinical Specimens

Antimicrobial Agents and Chemotherapy
2007.0

Abstract

Recombinant phenotyping of cytomegalovirus (CMV) pol region III mutations from clinical specimens showed that T813S and G841A each conferred foscarnet resistance and approximately threefold increased ganciclovir resistance; adding the UL97 mutation C592G increased ganciclovir resistance to approximately sixfold. Bacterial artificial chromosome CMV clones containing pol mutation L845P were nonviable unless repaired with the wild-type sequence.

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