[Gene polymorphisms in the dihydrofolate reductase ( dhfr ) and dihydropteroate synthase ( dhps ) genes and structural modelling of the dhps gene in Colombian isolates of Toxoplasma gondii].

Abstract excerpt

INTRODUCTION: There are no reports describing polymorphisms in target genes of anti- Toxoplasma drugs in South American isolates. OBJECTIVE: This study sought to perform cloning and sequencing of the dihydrofolate reductase ( dhfr ) and dihydropteroate-synthase ( dhps ) genes of the reference Rh strain and two Colombian isolates of Toxoplasma gondii . MATERIALS AND METHODS: Two isolates were obtained from the...

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