High prevalence of Rickettsia gravesii sp. nov. in Amblyomma triguttatum collected from feral pigs

A.Y. Li; P.J. Adams; M.Y. Abdad; S.G. Fenwick

doi:10.1016/j.vetmic.2010.04.018

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High prevalence of Rickettsia gravesii sp. nov. in Amblyomma triguttatum collected from feral pigs

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High prevalence of Rickettsia gravesii sp. nov. in Amblyomma triguttatum collected from feral pigs

A.Y. Li, P.J. Adams, M.Y. Abdad and S.G. Fenwick

Veterinary Microbiology, Vol.146(1-2), pp.59-62

2010

DOI: https://doi.org/10.1016/j.vetmic.2010.04.018

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Abstract

A survey of ectoparasites on feral pigs identified two commonly occurring ixodid tick species; Amblyomma triguttatum triguttatum and Ixodes australiensis. Molecular screening of A. t. triguttatum and I. australiensis for the presence of Rickettsia species detected the presence of rickettsiae belonging to the Spotted Fever Group (SFG) in 78.4% of screened A. t. triguttatum. None of the screened I. australiensis were positive for rickettsiae. Sequence analysis of the gltA and ompA loci of positive Rickettsia isolates were 100% homologous to the newly described species Rickettsia gravesii sp. nov. BWI-1. Serological screening of feral pigs detected antibodies to SFG Rickettsia in 50% of serum samples tested. These findings suggest that A. t. triguttatum is a vector/reservoir for R. gravesii sp. nov.

Details

Title: High prevalence of Rickettsia gravesii sp. nov. in Amblyomma triguttatum collected from feral pigs
Authors/Creators: A.Y. Li (Author/Creator) - Murdoch University
P.J. Adams (Author/Creator) - Murdoch University
M.Y. Abdad (Author/Creator) - Murdoch University
S.G. Fenwick (Author/Creator) - Murdoch University
Publication Details: Veterinary Microbiology, Vol.146(1-2), pp.59-62
Publisher: Elsevier BV
Identifiers: 991005543450507891
Copyright: 2010 Elsevier B.V.
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
Language: English
Resource Type: Journal article

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Citation topics: 1 Clinical & Life Sciences; 1.258 Zoonotic Diseases; 1.258.227 Tick-borne Pathogens
Web Of Science research areas: Microbiology; Veterinary Sciences
ESI research areas: Plant & Animal Science