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Journal of Clinical Microbiology, Apr 1996, 824-827, Vol 34, No. 4
Y Yuasa, K Yoshiie, T Takasaki, H Yoshida and H Oda
We used PCR to detect Coxiella burnetii DNA in paraffin-embedded tissues
obtained from patients with chronic endocarditis in which the etiological
agent had been unknown. On the basis of the published nucleotide sequence
of the C. burnetii htpB gene, primers were chosen to produce an amplified
fragment of 285 bp. A total of 60 samples from 56 patients were tested for
the presence of C. burnetii DNA. Five samples from four patients were found
to be positive. All of the amplified DNA fragments possessed a TthHB8I
restriction site, as predicted from the published sequence of C. burnetii.
In one of the four positive patients, rickettsia-like particles were found
in sections of tissue stained by Gimenez's method. This is the first report
of chronic Q fever in Japan.
Copyright © 1996 by the American Society for Microbiology. All rights reserved.
Retrospective survey of chronic Q fever in Japan by using PCR to detect Coxiella burnetii DNA in paraffin-embedded clinical samples
Department of Bacteriology, Kagoshima University, Japan.
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