single-strand conformation polymorphism analysis of genetic variation in labiostrongylus longispicularis from kangaroos.single-strand conformation polymorphism (sscp) analysis was employed to screen for sequence heterogeneity in the second internal transcribed spacer (its-2) of ribosomal (r) dna of labiostrongylus longispicularis, a parasitic strongylid nematode occuring in some species of kangaroo in different geographical regions of australia. the results showed that most of the nematodes screened had different sscp profiles, which were subsequently shown to correspond to polymorphisms and/or an indel in the it ...200111465490
an electrophoretic analysis of patterns of speciation in cloacina clarkae, c. communis, c. petrogale and c. similis (nematoda:strongyloidea) from macropodid electrophoretic study was conducted on cloacina clarkae, c. communis, c. petrogale and c. similis based on 19 enzyme loci. c. communis was widely distributed in macropus robustus, showing some genetic variation among populations but occasionally switching to other macropodid hosts (m. agilis, m. antilopinus). c. similis occurred in members of the petrogale penicillata complex, macropus dorsalis and thylogale billardierii, but showed no evidence of genetic differentiation in spite of its occur ...19979193942
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