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Journal of Clinical Microbiology, 07 1997, 1813-1818, Vol 35, No. 7
DL Kordick, EJ Hilyard, TL Hadfield, KH Wilson, AG Steigerwalt, DJ Brenner and EB Breitschwerdt
Shortly after adopting a 6-week-old cat, a veterinarian was bitten on the
left index finger. Within 3 weeks, he developed headache, fever, and left
axillary lymphadenopathy. Initial blood cultures from the cat and
veterinarian were sterile. Repeat cultures from the cat grew
Bartonella-like organisms with lophotrichous flagella. Sera from the
veterinarian were not reactive against Bartonella henselae, B. quintana, or
B. elizabethae antigens but were seroreactive (reciprocal titer, 1,024)
against the feline isolate. Sequential serum samples from the cat were
reactive against antigens of B. henselae (titer, 1,024), B. quintana
(titer, 128), and the feline isolate (titer, 2,048). Phenotypic and
genotypic characterization of this and six additional feline isolates,
including microscopic evaluation, biochemical analysis, 16S rRNA gene
sequencing, DNA-DNA hybridization, and PCR- restriction fragment length
polymorphism of the 16S gene, 16S-23S intergenic spacer region, and citrate
synthase gene identified the isolates as B. clarridgeiae. This is the first
report of cat scratch disease associated with B. clarridgeiae.
Copyright © 1997 by the American Society for Microbiology. All rights reserved.
Bartonella clarridgeiae, a newly recognized zoonotic pathogen causing inoculation papules, fever, and lymphadenopathy (cat scratch disease)
Department of Companion Animal and Special Species Medicine, College of Veterinary Medicine, North Carolina State University, Raleigh 27606, USA.
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