Trypanosoma irwini n. sp (Sarcomastigophora: Trypanosomatidae) from the koala (Phascolarctos cinereus)

McInnes, L. M., Gillett, A., Ryan, U. M., Austen, J., Campbell, R. S. F., Hanger, J. and Reid, S. A. (2009) Trypanosoma irwini n. sp (Sarcomastigophora: Trypanosomatidae) from the koala (Phascolarctos cinereus). Parasitology, 136 8: 875-885. doi:10.1017/S0031182009006313


Author McInnes, L. M.
Gillett, A.
Ryan, U. M.
Austen, J.
Campbell, R. S. F.
Hanger, J.
Reid, S. A.
Title Trypanosoma irwini n. sp (Sarcomastigophora: Trypanosomatidae) from the koala (Phascolarctos cinereus)
Formatted title
Trypanosoma irwini n. sp (Sarcomastigophora: Trypanosomatidae) from the koala (Phascolarctos cinereus
Journal name Parasitology   Check publisher's open access policy
ISSN 0031-1820
1469-8161
Publication date 2009-01-01
Sub-type Article (original research)
DOI 10.1017/S0031182009006313
Volume 136
Issue 8
Start page 875
End page 885
Total pages 11
Place of publication Cambridge, United Kingdom
Publisher Cambridge University Press
Language eng
Abstract The morphology and genetic characterization of a new species of trypanosome infecting koalas (Phascolarctos cinereus) are described. Morphological analysis of bloodstream forms and phylogenetic analysis at the 18S rDNA and gGAPDH loci demonstrated this trypanosome species to be genetically distinct and most similar to Trypanosoma bennetti, an avian trypanosome with a genetic distance of 0.9% at the 18S rDNA and 10.7% at the gGAPDH locus. The trypanosome was detected by 18S rDNA PCR in the blood samples of 26 out of 68 (38.2%) koalas studied. The aetiological role of trypanosomes in koala disease is currently poorly defined, although infection with these parasites has been associated with severe clinical signs in a number of koalas. Based on biological and genetic characterization data, this trypanosome species infecting koalas is proposed to be a new species Trypanosome irwini n. sp.
Keyword 18S rDNA
gGAPDH
Koala
Phylogeny
Trypanosoma spp.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Public Health Publications
 
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