Publications

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the cytochemical localization of some dehydrogenases in culture forms of trypanosoma cruzi and trypanosoma ranarum. 196514297350
sexual differences in prevalence of a new species of trypanosome infecting túngara frogs.trypanosomes are a diverse group of protozoan parasites of vertebrates transmitted by a variety of hematophagous invertebrate vectors. anuran trypanosomes and their vectors have received relatively little attention even though these parasites have been reported from frog and toad species worldwide. blood samples collected from túngara frogs (engystomops pustulosus), a neotropical anuran species heavily preyed upon by eavesdropping frog-biting midges (corethrella spp.), were examined for trypanos ...201626977404
phylogenetic position of the giant anuran trypanosomes trypanosoma chattoni, trypanosoma fallisi, trypanosoma mega, trypanosoma neveulemairei, and trypanosoma ranarum inferred from 18s rrna gene sequences.phylogenetic relationships within the kinetoplastid flagellates were inferred from comparisons of small-subunit ribosomal rna gene sequences. these included 5 new gene sequences, trypanosoma fallisi (2,239 bp), trypanosoma chattoni (2,180 bp), trypanosoma mega (2,211 bp), trypanosoma neveulemairei (2,197 bp), and trypanosoma ranarum (2,203 bp). trees produced using maximum-parsimony and distance-matrix methods (least-squares, neighbor-joining, and maximum-likelihood), supported by strong bootstr ...200212099428
sensitivity of diagnostic techniques in determining the prevalence of anuran trypanosomes.two hundred thirty-three leopard frogs (rana pipiens) from oshkosh, wisconsin, usa, were divided into two groups and their blood examined for trypanosomes. in group i (n = 157), where the blood was examined by the hematocrit centrifuge technique (hct), 36 (23%) were infected with trypanosomes. eighteen were infected with trypanosoma pipientis, 13 with trypanosoma ranarum, three with trypanosoma rotatorium and two with mixed infections of t. pipientis and t. ranarum. in group ii (n = 76) the bloo ...19836341627
infectivity of cultured trypanosoma fallisi (kinetoplastida) to various anuran species and its evolutionary implications.trypanosoma fallisi, a hemoflagellate infecting bufo americanus from ontario, was grown in vitro, and metatrypanosomes from the primary culture were inoculated into 4 uninfected test groups from 3 anuran families: bufonidae, hylidae, and ranidae. in vitro-cultured t. fallisi was found to infect b. americanus and to induce transient infections in bufo valliceps and hyla versicolor. the flagellate was not infective to rana clamitans. trypanosoma ranarum was uninfective to the bufonids and hylids t ...19912040964
blood parasites of amphibians from algonquin park, ontario.during a 5 wk period beginning may 25, 1983, 329 amphibians, which included specimens of rana catesbeiana shaw, rana clamitans latreille, rana septentrionalis baird, rana sylvatica leconte, hyla crucifer wied, bufo americanus holbrook, and plethodon cinereus green, from lake sasajewun, algonquin park, ontario, canada were examined for blood parasites. the prevalences of species of trypanosoma, haemogregarina, lankesterella, babesiasoma, and thrombocytozoons in these amphibians were determined. t ...19846492319
lipid composition of trypanosoma ranarum. 196414233494
the biology of trypanosoma ranarum (lankester, 1871). iii. localization of acid and alkaline phosphatases in flagellates grown at different temperatures. 196314074434
culture forms of trypanosoma ranarum (lankester, 1871). iv. influence of ph upon development of cultures. 196313929345
culture forms of trypanosoma ranarum (lankester, 1871). ii. effect of temperature upon reproduction and cyclic development. 196214463759
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