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Journal of Clinical Microbiology, Mar 1995, 602-608, Vol 33, No. 3
I Demaerschalck, A Ben Messaoud, M De Kesel, B Hoyois, Y Lobet, P Hoet, G Bigaignon, A Bollen and E Godfroid
Oligonucleotide primers based on Borrelia burgdorferi sensu lato ospA gene
sequences have been designed for use in the PCR to type all (SL primers) or
each (GI to GIII primers) of the B. burgdorferi sensu lato genospecies
involved in Lyme disease. These genospecies-specific primers were then used
in the PCR on 24 biological fluids collected from 18 neuroborreliosis
patients. Among the samples tested, 20 contained DNA from Borrelia garinii,
11 contained DNA from B. burgdorferi sensu stricto, and 10 contained DNA
from Borrelia afzelii. In toto, 10 patients appeared to have been infected
by a single genospecies and 8 were infected by more than one Lyme disease-
associated genospecies. Serum specimens from six patients were absorbed
with heterologous antigens and tested by Western blotting (immunoblotting).
In four cases, residual immunodetection revealed specific epitopes of
genospecies also detected by PCR; in two of them, the concordant results
indicated pluri-infection of the patients. In the other two cases, Western
blotting showed specific antibodies for two genospecies of Borrelia, while
PCR detected DNA from only one. In summary, the data underscored the
relatively high prevalence of pluri- infections in Lyme disease and
confirmed the association of B. garinii with neuroborreliosis.
Copyright © 1995 by the American Society for Microbiology. All rights reserved.
Simultaneous presence of different Borrelia burgdorferi genospecies in biological fluids of Lyme disease patients
Free University of Brussels, Belgium.
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