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Agarose gel electrophoresis of amplicons from PCR using primers specific for Brugia pahangi COXI gene. Lane 1, DNA molecular mass standards (Fermentas, Lithuania); lane 3, amplicon (633 bp) from PCR on DNA of adult male worm; lane 4, amplicon (633 bp) from PCR on DNA of adult female worm; no amplicon was detected from PCR on DNA of B. malayi adult male worm (lane 2) and negative control (water only) (lane 5).
