M. Arai et al., A COLORIMETRIC DNA DIAGNOSTIC METHOD FOR FALCIPARUM-MALARIA AND VIVAXMALARIA - A FIELD TRIAL IN THE SOLOMON-ISLANDS, Nucleosides & nucleotides, 15(1-3), 1996, pp. 719-731
We have developed a colorimetric assay, ''microtiter plate-hybridizati
on'', for the detection of malaria parasites Plasmodium falciparum and
P. vivax in human blood, in which the target DNA sequences (18S small
subunit ribosomal RNA gene) amplified by polymerase chain reaction (P
CR) are hybridized with the species-specific probes immobilized on a m
icrotiter well, This assay system was tested in Guadalcanal, Solomon I
slands, where malaria is highly endemic. We obtained blood samples by
finger puncture from 130 asymptomatic donors. Among the 130 samples, 3
0 (23 %) were P. falciparum positive, 28 (22 %) were P. vivax positive
, and 8 (6 %) were mixed infections, The results of our DNA diagnostic
method showed good correlation with those of acridine orange microsco
py.