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Table 2 Frequency of haplotypes of pfdhfr, pfdhps, and combined pfdhfrpfdhps genes in P. falciparum isolates from Jazan, Saudi Arabia (n = 151)

From: Increased prevalence of pfdhfr and pfdhps mutations associated with sulfadoxine–pyrimethamine resistance in Plasmodium falciparum isolates from Jazan Region, Southwestern Saudi Arabia: important implications for malaria treatment policy

Gene/haplotypea

Type of mutations

N (%)

Pfdhfr

ACNCSI

Wild

23 (15.2)

ACICNI

Double

71 (47.0)

ACIRNI

Triple

57 (37.8)

Pfdhps

SAKAAI

Wild

66 (43.7)

SGKAAI

Single

7 (4.6)

SGEAAI

Double

78 (51.7)

Pfdhfrpfdhps

ACNCSI–SAKAAI

Wild

14 (9.3)

ACNCSI–SGKAAI

Single

1 (0.7)

ACNCSI–SGEAAI

Double

8 (5.3)

ACICNI–SAKAAI

Double

35 (23.2)

ACICNI–SGKAAI

Triple

2 (1.3)

ACIRNI–SAKAAI

Triple

17 (11.3)

ACIRNI–SGKAAI

Quadruple

4 (2.6)

ACICNI–SGEAAI

Quadruple

34 (22.5)

ACIRNI–SGEAAI

Quintuple

36 (23.8)

  1. aMutant alleles are bold and underlined