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Table 1 Sequence polymorphisms in pfdhfr, pfdhps and pfmdr1 genes

From: Molecular markers of resistance to amodiaquine plus sulfadoxine–pyrimethamine in an area with seasonal malaria chemoprevention in south central Niger

Marker

Category

Haplotype

Number

Prevalence

pfdhfr 51,59,108

Wild type

NCS

32

0.27

Single mutant

ICS

3

0.03

NCN

4

0.03

Double mutant

IRS

1

0.01

NRN

3

0.03

ICN

8

0.07

Triple Mutant

IRN

67

0.57

pfdhps 437,540, 581, 613

Wild type

AKAA

14

0.14

Single mutant

GKAA

66

0.67

AKAS

4

0.04

AKGA

1

0.01

Double mutant

GKAS

14

0.14

Triple mutant

GKGS

9

0.08

pfmdr1 86,184,1042,1246

Wild type

NFND

63

0.52

Single mutant

YFND

2

0.02

NYND

38

0.31

Double mutant

NFDD

5

0.04

NFNY

3

0.03

YYND

5

0.04

NYDD

1

0.01

NYNY

1

0.01

NFDY

1

0.01

  1. The number and prevalence of the various haplotypes are indicated. Residues considered as mutated are underlined and in bold