Integrative taxonomic approach of trypanosomes in the blood of rodents and soricids in Asian countries, with the description of three new species

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dc.contributor.authorMafie, Eliakunda
dc.contributor.authorSaito-Ito, Atsuko
dc.contributor.authorKasai, Masatoshi
dc.contributor.authorHatta, Mochammad
dc.contributor.authorRivera, Pilarita T
dc.contributor.authorMa, Xiao-Hang
dc.contributor.authorChen, Eng-Rin
dc.contributor.authorSato, Hiroshi
dc.contributor.authorTakada, Nobuhiro
dc.date.accessioned2022-10-03T10:52:30Z
dc.date.available2022-10-03T10:52:30Z
dc.date.issued2018
dc.descriptionJournal Articleen_US
dc.description.abstractTrypanosoma lewisi (Kinetoplastea: Trypanosomatida: Trypanosomatidae) with a cosmopolitan distribution is the type species of the subgenus Herpetosoma, which includes ca. 50 nominal species isolated mainly from rodents. Since members of Herpetosoma in different host species have an almost identical morphology of bloodstream forms, these trypanosomes are referred to as ‘T. lewisi-like’, and the molecular genetic characterization of each species is necessary to verify their taxonomy. In the present study, we collected blood samples from 89 murid rodents of 15 species and 11 soricids of four species in Indonesia, Philippines, Vietnam, Taiwan, and mainland China for the detection of hemoprotozoan infection. T. lewisi and T. lewisi-like trypanosomes were found in the blood smears of 10 murid animals, which included Bandicota indica (two rats), Rattus argentiventer (one rat), and Rattus tiomanicus (two rats) in Indonesia; Rattus rattus (one rat) in the Philippines; and Niviventer confucianus (four rats) in mainland China. Furthermore, large- or medium-sized non-T. lewisi-like trypanosomes were detected in two soricids, Crocidura dracula in Vietnam and Anourosorex yamashinai in Taiwan, respectively. Molecular genetic characterization of the small subunit (SSU) ribosomal RNA gene (rDNA) and glycosomal glyceraldehyde-3-phosphate dehydrogenase (gGAPDH) gene indicated that the trypanosomes from all the murid hosts had identical SSU rDNA or gGAPDH gene nucleotide sequences except for those in N. confucianus in mainland China. These N. confucianus-infecting trypanosomes also showed several unique morphological features such as smaller bodies, anteriorly positioned nuclei, and larger rod-shaped kinetoplasts when compared with T. lewisi trypomastigotes. Trypanosoma (Herpetosoma) niviventerae n. sp. is erected for this new species. Similarly, based on morpho- logical and molecular genetic characterization, Trypanosoma sapaensis n. sp. and Trypanosoma anourosoricis n. sp. are pro- posed for the trypanosomes in C. dracula in Vietnam and A. yamashinai in Taiwan, respectively. More effort directed toward the morphological and molecular genetic characterization of the trypanosomes of rodents and soricids is required to fully understand the real biodiversity of their hemoflagellates.en_US
dc.identifier.urihttp://www.suaire.sua.ac.tz/handle/123456789/4627
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.subjectTrypanosoma lewisien_US
dc.subjectTrypanosoma niviventerae n. spen_US
dc.subjectTrypanosoma sapaensis n. spen_US
dc.subjectTrypanosoma anourosoricis n. spen_US
dc.subjectRodenten_US
dc.subjectSoriciden_US
dc.subjectrDNAen_US
dc.subjectgGAPDHen_US
dc.subjectAsiaen_US
dc.titleIntegrative taxonomic approach of trypanosomes in the blood of rodents and soricids in Asian countries, with the description of three new speciesen_US
dc.typeArticleen_US
dc.urlhttps://doi.org/10.1007/s00436-018-6120-3en_US

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