First evidence for diploidy and genetic recombination in free-living amoebae of the genus naegleria on the basis of electrophoretic variation.
Electrophoretic variation for 15 enzyme-coding genes was studied in various Naegleria (Rhizopoda, Vahlkampfiidae) species. The occurrence of complex banding patterns provided the first evidence of a diploid structure of the genome of these amoebae. The putative loci identified were found not to be linked and the genotypic distribution suggested chromosomal recombination for one species (Naegleria lovaniensis).
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Laboratoire de Biologie et Génétique Evolutives, Centre National de la Recherche Scientifique, 91190 Gif-sur-Yvette, France.
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