Novel trypanosome Trypanosoma gilletti sp. (Euglenozoa: Trypanosomatidae) and the extension of the host range of Trypanosoma copemani to include the koala (Phascolarctos cinereus)
Trypanosoma irwini was previously described from koalas and we now report the finding of a second novel species, T. gilletti, as well as the extension of the host range of Trypanosoma copemani to include koalas. Phylogenetic analysis at the 18S rDNA and gGAPDH loci demonstrated that T. gilletti was...
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description | Trypanosoma irwini was previously described from koalas and we now report the finding of a second novel species, T. gilletti, as well as the extension of the host range of Trypanosoma copemani to include koalas. Phylogenetic analysis at the 18S rDNA and gGAPDH loci demonstrated that T. gilletti was genetically distinct with a genetic distance (±s.e.) at the 18S rDNA locus of 2·7±0·5% from T. copemani (wombat). At the gGAPDH locus, the genetic distance (±s.e.) of T. gilletti was 8·7±1·1% from T. copemani (wombat). Trypanosoma gilletti was detected using a nested trypanosome 18S rDNA PCR in 3/139 (∼2%) blood samples and in 2/29 (∼7%) spleen tissue samples from koalas whilst T. irwini was detected in 72/139 (∼52%) blood samples and T. copemani in 4/139 (∼3%) blood samples from koalas. In addition, naturally occurring mixed infections were noted in 2/139 (∼1·5%) of the koalas tested. |
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Trypanosoma gilletti was detected using a nested trypanosome 18S rDNA PCR in 3/139 (∼2%) blood samples and in 2/29 (∼7%) spleen tissue samples from koalas whilst T. irwini was detected in 72/139 (∼52%) blood samples and T. copemani in 4/139 (∼3%) blood samples from koalas. In addition, naturally occurring mixed infections were noted in 2/139 (∼1·5%) of the koalas tested.</description><identifier>ISSN: 0031-1820</identifier><identifier>EISSN: 1469-8161</identifier><identifier>DOI: 10.1017/S0031182010000971</identifier><identifier>PMID: 20663248</identifier><identifier>CODEN: PARAAE</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Animals ; Australia ; Biological and medical sciences ; Blood ; DNA, Protozoan - genetics ; DNA, Ribosomal - genetics ; Fundamental and applied biological sciences. Psychology ; General aspects ; General aspects and techniques. Study of several systematic groups. 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Trypanosoma gilletti was detected using a nested trypanosome 18S rDNA PCR in 3/139 (∼2%) blood samples and in 2/29 (∼7%) spleen tissue samples from koalas whilst T. irwini was detected in 72/139 (∼52%) blood samples and T. copemani in 4/139 (∼3%) blood samples from koalas. In addition, naturally occurring mixed infections were noted in 2/139 (∼1·5%) of the koalas tested.</description><subject>Animals</subject><subject>Australia</subject><subject>Biological and medical sciences</subject><subject>Blood</subject><subject>DNA, Protozoan - genetics</subject><subject>DNA, Ribosomal - genetics</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>General aspects and techniques. Study of several systematic groups. 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M.</au><au>HANGER, J.</au><au>SIMMONS, G.</au><au>REID, S. A.</au><au>RYAN, U. M.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Novel trypanosome Trypanosoma gilletti sp. (Euglenozoa: Trypanosomatidae) and the extension of the host range of Trypanosoma copemani to include the koala (Phascolarctos cinereus)</atitle><jtitle>Parasitology</jtitle><addtitle>Parasitology</addtitle><date>2011-01</date><risdate>2011</risdate><volume>138</volume><issue>1</issue><spage>59</spage><epage>70</epage><pages>59-70</pages><issn>0031-1820</issn><eissn>1469-8161</eissn><coden>PARAAE</coden><abstract>Trypanosoma irwini was previously described from koalas and we now report the finding of a second novel species, T. gilletti, as well as the extension of the host range of Trypanosoma copemani to include koalas. Phylogenetic analysis at the 18S rDNA and gGAPDH loci demonstrated that T. gilletti was genetically distinct with a genetic distance (±s.e.) at the 18S rDNA locus of 2·7±0·5% from T. copemani (wombat). At the gGAPDH locus, the genetic distance (±s.e.) of T. gilletti was 8·7±1·1% from T. copemani (wombat). Trypanosoma gilletti was detected using a nested trypanosome 18S rDNA PCR in 3/139 (∼2%) blood samples and in 2/29 (∼7%) spleen tissue samples from koalas whilst T. irwini was detected in 72/139 (∼52%) blood samples and T. copemani in 4/139 (∼3%) blood samples from koalas. In addition, naturally occurring mixed infections were noted in 2/139 (∼1·5%) of the koalas tested.</abstract><cop>Cambridge, UK</cop><pub>Cambridge University Press</pub><pmid>20663248</pmid><doi>10.1017/S0031182010000971</doi><tpages>12</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Animals Australia Biological and medical sciences Blood DNA, Protozoan - genetics DNA, Ribosomal - genetics Fundamental and applied biological sciences. Psychology General aspects General aspects and techniques. Study of several systematic groups. Models Glyceraldehyde-3-Phosphate Dehydrogenases - genetics Host Specificity Invertebrates Mammalia Molecular Sequence Data Phascolarctidae - parasitology Phylogeny Protozoa Protozoan Infections, Animal - parasitology RNA, Ribosomal, 18S - genetics Trypanosoma - classification Trypanosoma - genetics Trypanosoma - isolation & purification Trypanosoma - physiology Vertebrates: general zoology, morphology, phylogeny, systematics, cytogenetics, geographical distribution |
title | Novel trypanosome Trypanosoma gilletti sp. (Euglenozoa: Trypanosomatidae) and the extension of the host range of Trypanosoma copemani to include the koala (Phascolarctos cinereus) |
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