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Table 4 Haplotypes of parasite markers associated with drug resistance

From: Culture-adapted Plasmodium falciparum isolates from UK travellers: in vitro drug sensitivity, clonality and drug resistance markers

Isolate

Sample

Haplotype

Pfcrt

Pfmdr1

Pfdhps

Pfdhfr

Pfmdr1

72-76

86, 184, 1034, 1042, 1246

431, 436, 437, 540, 581, 613

16, 50, 51, 59, 108, 140, 164

Gene copy number

 

Wild type reference

CVMNK

NYSND

ISAKAA

ACNCSVI

 

HL1204 Kenya

Day 0 pre-treatment

CVMNK / CVIET

NFSND

ISGEAA

ACNRNVI

1

Day 1 post-treatment

CVMNK / CVIET

NFSND

ISGEAA

ACNRNVI

1

Culture-adapted

CVMNK

NFSND

ISGEAA

ACNRNVI

1

HL1205 Nigeria

Day 0 pre-treatment

CVIET

NYSND

IFAKAS

ACIRNVI

1

Day 1 post-treatment

CVIET

NYSND

IFAKAS / ISGKAA

ACIRNVI

1

Culture-adapted

CVIET

NYSND

IFAKAS

ACIRNVI

1

HL1209 South Sudan

Day 0 pre-treatment

CVMNK / CVIET

NFSND

ISAKAA

ACICNVI

1

Day 1 post-treatment

CVMNK / CVIET

NFSND

ISAKAA

ACICNVI

1

Culture-adapted

CVMNK

NFSND

ISAKAA

ACICNVI

1

HL1210 Ghana

Day 0 pre-treatment

CVIET

YFSND

ISGKAA

ACNRNVI / ACIRNVI

1

Day 1 post-treatment

CVIET

YFSND

ISGKAA

ACNRNVI / ACIRNVI

1

Culture-adapted

CVIET

YFSND

ISGKAA

ACNRNVI / ACIRNVI

1

HL1211 Ghana

Day 0 pre-treatment

CVMNK

NYSND

IAGKAA

ACIRNVI

1

Day 1 post-treatment

CVMNK

NYSND

IAGKAA

ACIRNVI

1

Culture-adapted

CVMNK

NFSND

ISAKAA

ACICNVI

1

*HL1212 Nigeria

Day 0 pre-treatment

CVMNK / CVIET

NYSND / NFSND

ISGKAA

ACIRNVI

1

Culture-adapted

CVMNK

NFSND

ISGKAA

ACIRNVI

1

§HL1214 Burkina Faso

Day 0 pre-treatment

CVMNK

NFSND

ISGKAA

ACNCSVI / ACNRNVI

1

Culture-adapted

CVMNK

NFSND

ISGKAA

ACNCSVI / ACNRNVI

1

  1. *No Day 1 post-treatment sample was obtained for HL1212.
  2. §No haplotype data was obtained for the Day 1 post-treatment sample most likely due to complete parasite clearance shortly after drug administration.
  3. For clarity, wild type haplotypes for each gene reported are highlighted in bold.