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Table 3 Distribution of tandem repeat variants at DHFR and DHPS in field isolates

From: Molecular epidemiology of Plasmodium vivax anti-folate resistance in India

DHFR Regions (%) Total N (%)
Repeat Type Delhi Nadiad Panna Chennai Kamrup  
Type 1 54.54 0 11.76 0 0 8 (11.26)
Type 2 36.34 100 76.47 100 100 60 (84.5)
Type 3 9.09 0 0 0 0 1 (1.4)
Type 4 0 0 11.76 0 0 2 (2.81)
Total (N) 11 3 17 19 21 71
DHPS
Type A 10 10 0 5 21.05 9.27
Type B 90 85 83.34 90 26.31 75.25
Type C 0 0 5.55 5 0  
Type D 0 5 5.55 0 15.79 5.15
Type E 0 0 0 0 10.52 2.06
Type F 0 0 0 0 10.52 2.06
Type G 0 0 5.55 0 10.52 3.09
Type H 0 0 0 0 5.26 1.03
Total (N) 20 20 18* 20 19* 97
  1. *: DNA sequences of tandem repeat region was not good in some isolates and therefore not included in analysis of tandem repeats