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1.
J Vet Intern Med ; 32(6): 1958-1964, 2018 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-30307643

RESUMEN

BACKGROUND: Because of poor sensitivity and questionable specificity of immunofluorescent antibody assays (IFAs), serological diagnosis of Bartonella species infections in dogs remains challenging. Despite limitations, IFA testing is the historical "gold standard" for Bartonella serodiagnosis in animals and humans. Because most diagnostic laboratories test against only 1 or 2 Bartonella spp., testing against a broader panel of Bartonella antigens may enhance diagnostic sensitivity and specificity. OBJECTIVE: To evaluate the sensitivity and specificity of Bartonella IFA using 8 cell culture-grown Bartonella spp. isolates. ANIMALS: Archived serum samples from 34 Bartonella spp. naturally exposed, polymerase chain reaction (PCR)-positive dogs and from 26 PCR-negative and IFA-negative dogs. METHODS: Bartonella IFA sensitivity and specificity were assessed using cell culture-grown whole cell antigens derived from 3 Bartonella henselae (Bh) strains (Bh Houston 1, Bh San Antonio Type 2, Bh California 1), 3 Bartonella vinsonii subsp. berkhoffii genotypes (Bvb I, II, and III), Bartonella koehlerae (Bk), and Bartonella quintana (Bq). RESULTS: Only 62% of 34 Bartonella spp. PCR-positive dogs were seroreactive to any of the 8 Bartonella IFA antigens, indicating low IFA sensitivity. PCR-positive dogs were most often IFA seroreactive to Bq (n = 15), to Bvb II (n = 13), or to both (n = 9) antigens. Of the 26 previously IFA-negative/PCR-negative dogs, 4 (15%) were seroreactive using the expanded antigen panel. CONCLUSION AND CLINICAL IMPORTANCE: Despite IFA testing of dogs against 8 different Bartonella isolates, IFA sensitivity remained poor, and specificity was only 85%. Development of a reliable serological assay is needed to facilitate the diagnosis of Bartonella infection in dogs.


Asunto(s)
Antígenos Bacterianos/inmunología , Infecciones por Bartonella/veterinaria , Bartonella/inmunología , Enfermedades de los Perros/diagnóstico , Animales , Infecciones por Bartonella/diagnóstico , Bartonella henselae/inmunología , Bartonella quintana/inmunología , Células Cultivadas , Enfermedades de los Perros/microbiología , Perros , Técnica del Anticuerpo Fluorescente/métodos , Técnica del Anticuerpo Fluorescente/veterinaria , Reacción en Cadena de la Polimerasa/veterinaria , Sensibilidad y Especificidad , Pruebas Serológicas/métodos , Pruebas Serológicas/veterinaria , Fiebre de las Trincheras/diagnóstico , Fiebre de las Trincheras/veterinaria
3.
Emerg Infect Dis ; 19(2): 297-300, 2013 Feb.
Artículo en Inglés | MEDLINE | ID: mdl-23347418
4.
J Bacteriol ; 194(22): 6347, 2012 Nov.
Artículo en Inglés | MEDLINE | ID: mdl-23105078

RESUMEN

Bartonella quintana is a re-emerging pathogen and the causative agent of a broad spectrum of disease manifestations in humans. The present study reports the complete genome of B. quintana strain RM_11, which was isolated from rhesus macaques.


Asunto(s)
Bartonella quintana/clasificación , Bartonella quintana/genética , Genoma Bacteriano , Macaca mulatta , Enfermedades de los Monos/microbiología , Fiebre de las Trincheras/veterinaria , Animales , Datos de Secuencia Molecular , Fiebre de las Trincheras/microbiología
6.
Emerg Infect Dis ; 11(12): 1931-4, 2005 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-16485482

RESUMEN

We identified a Bartonella quintana strain by polymerase chain reaction amplification, cloning, and sequencing of DNA extracted from lysed erythrocytes and cultured colonies grown from peripheral blood collected from a captive-bred cynomolgus monkey (Macaca fascicularis). This report describes naturally acquired B. quintana infection in a nonhuman primate.


Asunto(s)
Bartonella quintana/aislamiento & purificación , Macaca fascicularis/microbiología , Fiebre de las Trincheras/veterinaria , Animales , Bartonella quintana/clasificación , Bartonella quintana/genética , Femenino , Macaca fascicularis/sangre , Filogenia , Fiebre de las Trincheras/sangre , Fiebre de las Trincheras/microbiología
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