Mismatch primer-based PCR reveals that helicase-primase inhibitor resistance mutations pre-exist in herpes simplex virus type 1 clinical isolates and are not induced during incubation with the inhibitor

Abstract excerpt

OBJECTIVES: Previous studies suggested that helicase-primase inhibitor (HPI) resistance mutations can be selected at relatively high frequency from some isolates of herpes simplex virus type 1 (HSV-1). An intentional mismatch primer (IMP) PCR was developed to detect three known HPI resistance mutations well above the expected background frequency. The objective of this study was to provide proof that HPI...

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