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Table 1 Pfmdr1 PCR primer sequences and reaction conditions used in Fragments 1, 3 and 4 amplification reactions

From: Persistence of chloroquine-resistant haplotypes of Plasmodium falciparum in children with uncomplicated Malaria in Lagos, Nigeria, four years after change of chloroquine as first-line antimalarial medicine

Gene fragment

Primer name

 

Primer sequence

Codons

PCR cycling conditions

Fragment 1

     

Primary FR1

FN1/1

F

5′- AGGTTGAAAAAGAGTTGAAC-3′

86, 184

94°C 3 min/[94°C 30 s-45°C 60 s 72°C 60 s]

 

REV/C1

R

5′- ATGACACCACAAACATAAAT-3′

 

×30 cycles

Nested FR1

MDR2/1

F

5′- ACAAAAAGAGTACCGCTGAAT -3′

 

72°C for 5 minutes/15°C 5 min

 

NEWREV1

R

5′-AAACGCAAGTAATACATAAAGTC-3′

  

Fragment 3

     

Primary FR3

MDRFR3N1

F

5′-GCATTTTATAATATGCATACTG-3′

1034, 1042

94°C 3 min/[94°C 30 s-55°C 60 s 65°C 40 s]

 

MDRFR3R1

R

5′-GGATTTCATAAAGTCATCAAC-3′

 

×30 cycles

Nested FR3

MDRFR3N2

F

5′-GGTTTAGAAGATTATTTCTGTA-3′

 

72°C 5 min/15°C 5 min

 

MDRFR3R1

R

5′-GGATTTCATAAAGTCATCAAC-3′

  

Fragment 4

     

Primary FR4

MDRFR4N1

F

5′- CAAACCAATCTGGATCTGCAGAAG -3′

1246

94°C 3 min/[94°C 30 s-55°C 60 s-65°C 40 s]

 

MDRFR4R1

R

5′-CAATGTTGCATCTTCTCTTCC -3′

 

×30 cycles

Nested FR4

MDRFR4N2

F

5′- GATCTGCAGAAGATTATACTG -3′

 

72°C 5 min/15°C 5 min

 

MDRFR4R1

R

5′- CAATGTTGCATCTTCTCTTCC -3′

  
  1. FR - Fragment F - forward R - Reverse.
  2. NB: Cycling conditions are the same for primary and nested PCRs.