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CLIZETE SBRAVATE MARTA CAMPANER LUIS E. A. CAMARGO IVETE CONCHON MARTA M. G. TEIXEIRA E. PLESSMANN CAMARGO 《The Journal of eukaryotic microbiology》1989,36(6):543-547
Among the 372 phytophagous Hemiptera examined, 133 insects of 28 species (Coreidae 18, Pentatomidae 7, Pyrrhocoridae 2, Lygaeidae 1) were infected with trypanosomatids. Gut infections only were found in 68.4%, gut and salivary gland infections in 29.3% and salivary infections alone in 2.3%. Fifty-one cultures were isolated from 38 insects. Cultures were characterized by assay of certain ornithinc-arginine metabolism enzymes and by indirect immunofluorescence against monoclonal antibodies specific for Phytomonas spp. Ten cultures were identified as either Crithidia or Leptomonas. Twenty-one promastigote cultures had an enzyme pattern hitherto recorded only for Leishmania and 16 cultures were identified as Phytomonas. 相似文献
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IVETE CONCHON MAHTA CAMPANER CLIZETE SBRAVAT E. PLESSMANN CAMARGO 《The Journal of eukaryotic microbiology》1989,36(4):412-414
Trypanosomatids were isolated from edible fruit. One of the isolates (from tangerine) presented a set of enzymes for the metabolism of arginine-ornithine similar to that of Leptomonas spp., and failed to be recognized by monoclonal antibodies specific for Phytomonas spp. The possibility that trypanosomatids other than Phytomonas spp. could infect fruit was further examined by inoculating tomatoes with species of Crithidia, Leptomonas and Herpetomonas. Some of these flagellates multiplied in tomatoes. Besides, house flies became infected with Crithidia sp. when fed on tomatoes experimentally inoculated with this flagellate. Therefore, isolation of a trypanosomatid from a plant should not constitute an absolute criterion for placing it in the genus Phytomonas. 相似文献
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