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1.
J Vet Intern Med ; 32(6): 1958-1964, 2018 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-30307643

RESUMO

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.


Assuntos
Antígenos de Bactérias/imunologia , Infecções por Bartonella/veterinária , Bartonella/imunologia , Doenças do Cão/diagnóstico , Animais , Infecções por Bartonella/diagnóstico , Bartonella henselae/imunologia , Bartonella quintana/imunologia , Células Cultivadas , Doenças do Cão/microbiologia , Cães , Imunofluorescência/métodos , Imunofluorescência/veterinária , Reação em Cadeia da Polimerase/veterinária , Sensibilidade e Especificidade , Testes Sorológicos/métodos , Testes Sorológicos/veterinária , Febre das Trincheiras/diagnóstico , Febre das Trincheiras/veterinária
3.
Emerg Infect Dis ; 19(2): 297-300, 2013 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-23347418
4.
J Bacteriol ; 194(22): 6347, 2012 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-23105078

RESUMO

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.


Assuntos
Bartonella quintana/classificação , Bartonella quintana/genética , Genoma Bacteriano , Macaca mulatta , Doenças dos Macacos/microbiologia , Febre das Trincheiras/veterinária , Animais , Dados de Sequência Molecular , Febre das Trincheiras/microbiologia
5.
6.
Emerg Infect Dis ; 11(12): 1931-4, 2005 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-16485482

RESUMO

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.


Assuntos
Bartonella quintana/isolamento & purificação , Macaca fascicularis/microbiologia , Febre das Trincheiras/veterinária , Animais , Bartonella quintana/classificação , Bartonella quintana/genética , Feminino , Macaca fascicularis/sangue , Filogenia , Febre das Trincheiras/sangue , Febre das Trincheiras/microbiologia
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