Description and epidemiology of Theileria youngi n. sp. from a northern Californian dusky-footed woodrat (Neotoma Fuscipes) population

The Journal of Parasitology
A M KjemtrupP A Conrad

Abstract

An epidemiologic study designed to identify the small mammal reservoir for the zoonotic WA1-type babesial parasite resulted in the discovery of a small, intraerythrocytic piroplasm in smeared blood from dusky-footed woodrats (Neotoma fuscipes) in northern California. The woodrat parasites were isolated and compared to other piroplasm parasites based on their morphology, antigenicity, and genetic characteristics. These studies indicated that the woodrat parasites were not the WA1-type babesial agent but were of the genus Theileria. We accordingly named it Theileria youngi. The prevalence in the woodrat population was high (61%). Infection was unrelated to gender or age of the woodrats. Potential vectors for this tick-transmitted parasite included 3 species of ticks recovered from the woodrats. Dermacentor occidentalis, Ixodes woodi, and Ixodes pacificus. Mostly larval or nymphal stages were recovered, suggesting transstadial transmission is possible. This is the first piroplasm fully characterized from a dusky-footed woodrat.

References

Jun 16, 1992·Annals of the New York Academy of Sciences·A A KocanS W Mukolwe
Jan 1, 1984·Advances in Parasitology·H Mehlhorn, E Shein
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Jan 9, 1999·Parasitology·D J ShawA P Dobson

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Citations

Sep 26, 2006·The Journal of Parasitology·Heidi K GoethertSam R Telford
Nov 24, 2011·Parasitology Research·Roxanne A CharlesMichael J Yabsley
Aug 9, 2012·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Leonhard SchnittgerDavid A Morrison
Aug 8, 2014·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Thillaiampalam SivakumarNaoaki Yokoyama
Feb 18, 2014·International Journal for Parasitology. Parasites and Wildlife·Michael J Yabsley, Barbara C Shock
May 27, 2006·International Journal for Parasitology·Patricia A ConradBarbara L Herwaldt
Nov 26, 2003·Parasitology·H K Goethert, S R Telford
Mar 17, 2020·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Farnaz KheirandishAsadollah Hosseini-Chegeni
Jun 15, 2019·International Journal for Parasitology. Parasites and Wildlife·Kayla B GarrettMichael J Yabsley

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Datasets Mentioned

BETA
AF245279

Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

Info
Epi
NIH Image

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