Volume 50, Issue 1
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



A set of 26 stocks from various African countries, previously characterized by multilocus enzyme electrophoresis (MLEE) for 18 polymorphic loci, have been selected to be representative of the three classic subspecies. The kinetoplast DNA minicircle variable regions from these stocks have been amplified using the polymerase chain reaction (PCR) technique, and hybridized with the amplified variable regions of three reference stocks, previously identified as , and , respectively. Both and probes hybridized only with their own stocks, but the probe specifically hybridized with a group of 12 stocks that represented most of the human stocks from West and Central Africa in our sample. These stocks, which appeared as a clearly separable cluster based on previous MLEE analysis, probably correspond to group I. No other stock hybridized with this amplified fragment. Since the probe obtained is specific for many isolates that are pathogenic for humans in Central and West Africa, it appears to be a promising tool for epidemiologic and medical surveys.


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