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A high prevalence of Theileria penicillata in woylies (Bettongia penicillata).
MedLine Citation:
PMID:  22465500     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The woylie or brush-tailed bettong (Bettongia penicillata) is a medium-sized native Australian marsupial that has undergone a dramatic decline in numbers in recent years. Trypanosome parasites have been identified in the woylie but little is known about the prevalence and clinical impact of other haemoprotozoan parasites in these marsupials. In the present study, the occurrence and molecular phylogeny of a piroplasm was studied in woylies from six different sites in Western Australia (WA). Blood samples were screened by PCR at the 18S rRNA locus and 80.4% (123/153) of the blood samples were positive for piroplasm DNA. Sequence and phylogenetic analysis of 12 of these positives identified them as Theileria penicillata, and sequencing of cloned PCR products indicated that no other species of Theileria were present. Infected woylies had a lower body weight but microscopic evaluation of the blood films indicated that T. penicillata did not appear to cause red cell injury or anaemia. Further studies are required to determine the clinical significance of T. penicillata in woylies.
Authors:
Jia Rong; Michael Bunce; Adrian Wayne; Carlo Pacioni; Una Ryan; Peter Irwin
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-23
Journal Detail:
Title:  Experimental parasitology     Volume:  -     ISSN:  1090-2449     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-4-2     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370713     Medline TA:  Exp Parasitol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Western Australia 6150, Australia.
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