Open Access

Table 2

Comparison analysis of polymorphic alleles PcyDHFR and PcyDHPS. The bold blue text indicates different residues among three strains of P. cynomolgi. Bold text represents the polymorphic alleles PcyDHFR and PcyDHPS in this study.

Equivalent residues in human malaria P. cynomolgi strains P. cynomolgi in this study

Available on database Reference Residue numbering based on the reference sequence strain M Homo sapiens (n = 9) Macaca fascicularis (n = 29)


P. falciparum strain 3D7 P. vivax strain SalI Strain RO1 Strain B2/strain M3 Battambang, Cambodia
Saraburi, Thailand
Saraburi, Thailand
Haplotype 1 100% (9/9) Haplotype 1 72.41% (21/29) Haplotype 2 27.59% (8/29)
Active site of PcyDHFR [8, 13]A16A15A15AA15
N51N50N50NN50
F58F57F57FF57
C59S58S58 S S58
S108S117S123SS123
I164I173I179II179
PcyDHFR nonsynonymous mutations [8, 13]V8V7II7V*
K23T22S22SS22PP
N24S23N23NN23SS
N34P33S33SS33PP
V45T44N44NN44TT
C50C49G49CC49GSS
Y80Y79Y79FF79YYY
K83M82R82RR82KK
D90D90DD90GG
T92H92HH92LL
G94G94GG94SS
T97TT97II
N98NN98SS
N88N97A103AA103TT
D91G100T106TT106II
N94N103N109NN109SS
S95A104N110NN110TT
K133K142Y148YY148HH
D135D144H150HH150QQ
Y141F150F156FF156YY
E147D156D162GG162DDD
N157K166R172RR172KK
Q171R180R186RR186GG
T190A199A205SS205AAA
Active site of PcyDHPSS436S382NAS382S382
A437A383NAA383A383
K540K512NAK512K512
A581A553NAA553A553
A613V585NAA585A585VV
PcyDHPS nonsynonymous mutationsD465K411NAK411K411NN
N468C414NAS414S414RR
A424NAA424A424DD
A433NAG433G433AA
V444NAL444L444VV
I479I451NAV451V451III
P511P483NAA483A483EE
S525S497NAT497T497SS

Note: The strain M was referred to as a wild-type sequence in this context because this strain provides a complete sequence of the pcydhfr and pcydhps on the PlasmoDB database. 1Strain RO from Macaca mulatta isolated in 1960 has DHFR accession number AY639976.1, while the DHPS sequence is unavailable. 2Strain B from Macaca fascicularis isolated in 1959 has accession number NC_020398.1 for DHFR, and NC_020407.1 for DHPS. 3Strain M from Macaca fascicularis isolated in 1933 has gene number PcyM_0526900 for DHFR, and NC_020407.1 for DHPS on the PlasmoDB database. • Indicates identical amino acid residues to the wild-type sequence. *Containing a mixed genotype changed nucleotide from ATA to A/GTA (n = 2 samples).

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