The origins and spread of antimalarial drug resistance: Lessons for policy makers

Tim J.C. Anderson, Cally Roper

Research output: Contribution to journalArticlepeer-review

101 Scopus citations

Abstract

Understanding the frequency with which new resistance alleles arise and their subsequent patterns of spread is critical to our attempts to manage drug resistance in parasite populations. We review recent molecular evolutionary studies utilizing marker loci situated close to resistance loci on the Plasmodium falciparum genome that have given surprising insights into the origins and spread of drug resistance loci. We discuss possible reasons for the patterns observed, and highlight the implications of these results for resistance management. In particular, we show that many resistance mutations have rather few independent origins. De novo mutation appears to be less important than migration for introducing resistance alleles into parasite populations. Attempts to manage drug resistance will be of limited effectiveness unless this is taken into account.

Original languageEnglish (US)
Pages (from-to)269-280
Number of pages12
JournalActa Tropica
Volume94
Issue number3 SPEC. ISS.
DOIs
StatePublished - Jun 2005
Externally publishedYes

Keywords

  • Drug resistance
  • Microsatellite
  • Origins
  • Plasmodium falciparum
  • dhfr
  • dhps
  • pfcrt
  • pfmdr

ASJC Scopus subject areas

  • Parasitology
  • veterinary (miscalleneous)
  • Insect Science
  • Infectious Diseases

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