SSCP analysis of pcox-1 and pnad-1 amplicons produced from genomic DNA samples from individual E. granulosus cysts (n = 50) from individual humans displayed four distinct electrophoretic profiles for each pcox-1 and pnad-1.
Following the phylogenetic analyses of concatenated pcox1+pnad1 sequence data, including representatives of all presently recognized Echinococcus species/genotypes as well as Taenia saginata (as the outgroup), the majority of cyst isolates (142 of 148; 95.9%) from humans, ruminants (sheep, goats and cattle) and camels were assigned to the G1-G3 complex of E. granulosus (or E. granulosus sensu stricto), whereas some E. granulosus cysts (6 of 19; 31.6%) from camels were assigned to the G6-G10 complex (or E. canadensis).