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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-3038

Willi, B; Boretti, F S; Cattori, V; Tasker, S; Meli, M L; Reusch, C E; Lutz, H; Hofmann-Lehmann, R (2005). Identification, molecular characterization, and experimental transmission of a new hemoplasma isolate from a cat with hemolytic anemia in Switzerland. Journal of Clinical Microbiology, 43(6):2581-2585.

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Abstract

Recently, there has been a growing interest in hemotropic mycoplasmal species (also known as the hemoplasmas), the causative agents of infectious anemia in several mammalian species. In felids, two different hemoplasma species have been recognized: Mycoplasma haemofelis (formerly Haemobartonella felis) and "Candidatus Mycoplasma haemominutum." Recently developed molecular methods have allowed sensitive and specific identification and quantification of these agents in feline blood samples. In applying these methods to an epidemiological study surveying the Swiss pet cat population for hemoplasma infection, we discovered a third novel and unique feline hemoplasma isolate in a blood sample collected from a cat that had exhibited clinical signs of severe hemolytic anemia. This agent was readily transmitted via intravenous inoculation to two specific-pathogen-free cats. One of these cats was immunocompromised by the administration of methylprednisolone acetate prior to inoculation, and this cat developed severe anemia. The other immunocompetent cat showed a moderate decrease in packed cell volume. Additionally, an increase in red blood cell osmotic fragility was observed. Sequencing of the entire 16S rRNA gene of the new hemoplasma isolate and phylogenetic analysis showed that the isolate was most closely related to two rodent hemotropic mycoplasmal species, M. coccoides and M. haemomuris. A quantitative real-time PCR assay specific for this newly discovered agent was developed, which will be a prerequisite for the diagnosis of infections with the new hemoplasma isolate.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
DDC:570 Life sciences; biology
630 Agriculture
Language:English
Date:2005
Deposited On:19 Aug 2008 11:59
Last Modified:30 Oct 2014 16:04
Publisher:American Society for Microbiology
ISSN:0095-1137
Additional Information:Copyright: American Society for Microbiology
Publisher DOI:10.1128/JCM.43.6.2581-2585.2005
PubMed ID:15956367

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