As a pilot project of a study undertaken to determine the influence of S. mattheei X S. haematobium hybridization on various South African S. mattheei populations by means of biochemical-taxonomic methods, a comparative electrophoretic study of laboratory-maintained S. mattheei and S. haematobium was performed using 11 enzymes representing 16 gene loci. Eleven loci were found to be monomorphic, while 5 differed interspecifically. Computation of the results revealed that South African S. mattheei and S. haematobium are fairly closely related when compared with other Schistosoma spp. groups.
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