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Intercontinental distribution of a new trypanosome species from Australian endemic Regent Honeyeater (Anthochaera phrygia)

Published online by Cambridge University Press:  22 March 2016

JAN ŠLAPETA ,
VICTORIA MORIN-ADELINE ,
PAUL THOMPSON ,
DENISE MCDONELL ,
MICHAEL SHIELS ,
KATRINA GILCHRIST ,
JAN VOTÝPKA  and
LARRY VOGELNEST
JAN ŠLAPETA*
Affiliation:
Faculty of Veterinary Science, School of Life and Environmental Sciences, The University of Sydney, New South Wales 2006, Australia
VICTORIA MORIN-ADELINE
Affiliation:
Faculty of Veterinary Science, The University of Sydney, New South Wales 2006, Australia
PAUL THOMPSON
Affiliation:
Taronga Zoo, Taronga Conservation Society Australia, Bradleys Head Road, Mosman, New South Wales 2088, Australia
DENISE MCDONELL
Affiliation:
Faculty of Veterinary Science, The University of Sydney, New South Wales 2006, Australia
MICHAEL SHIELS
Affiliation:
Taronga Zoo, Taronga Conservation Society Australia, Bradleys Head Road, Mosman, New South Wales 2088, Australia
KATRINA GILCHRIST
Affiliation:
Faculty of Veterinary Science, The University of Sydney, New South Wales 2006, Australia
JAN VOTÝPKA
Affiliation:
Department of Parasitology, Faculty of Science, Charles University in Prague, Prague, Czech Republic
LARRY VOGELNEST
Affiliation:
Taronga Zoo, Taronga Conservation Society Australia, Bradleys Head Road, Mosman, New South Wales 2088, Australia
*
*Corresponding author. Faculty of Veterinary Science, School of Life and Environmental Sciences, The University of Sydney, McMaster Building B14, New South Wales 2006, Australia. E-mail: jan.slapeta@sydney.edu.au
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Summary

Establishing a health screening protocol is fundamental for successful captive breeding and release of wildlife. The aim of this study was to undertake a parasitological survey focusing on the presence of trypanosomes in a cohort of Regent Honeyeaters, Anthochaera phrygia, syn. Xanthomyza phrygia (Aves: Passeriformes) that are part of the breeding and reintroduction programme carried out in Australia. We describe a new blood parasite, Trypanosoma thomasbancrofti sp. n. (Kinetoplastida: Trypanosomatidae) with prevalence of 24·4% (20/81) in a captive population in 2015. The sequence of the small subunit rRNA gene (SSU rDNA) and kinetoplast ultrastructure of T. thomasbancrofti sp. n. are the key differentiating characteristics from other Trypanosoma spp. T. thomasbancrofti sp. n. is distinct from Trypanosoma cf. avium found in sympatric Noisy Miners (Manorina melanocephala). The SSU rDNA comparison suggests an intercontinental distribution of T. thomasbancrofti sp. n. and Culex mosquitoes as a suspected vector. Currently, no information exists on the effect of T. thomasbancrofti sp. n. on its hosts; however, all trypanosome-positive birds remain clinically healthy. This information is useful in establishing baseline health data and screening protocols, particularly prior to release to the wild.

Keywords

Trypanosomaconservationavian hostdistributionreintroduction
Type
Research Article
Information
Parasitology , Volume 143 , Issue 8 , July 2016 , pp. 1012 - 1025
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Copyright
Copyright © Cambridge University Press 2016 

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