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Journal of Clinical Microbiology, Jan 1995, 119-125, Vol 33, No. 1
LM Nohlmans, R de Boer, AE van den Bogaard and CP van Boven
Sixty-three Borrelia burgdorferi isolates recovered from Ixodes ricinus
ticks collected in 17 locations in The Netherlands and three Dutch human
skin isolates were characterized by rRNA gene restriction fragment length
polymorphism, sodium dodecyl sulfate-polyacrylamide gel electrophoresis,
and Western blotting (immunoblotting). All three human isolates belonged to
B. burgdorferi group VS461. Of the tick isolates, 29 (46%) were B.
burgdorferi sensu stricto, 2 (3%) were group VS461, 19 (30%) were Borrelia
garinii, and 13 (21%) were different from any previously described genomic
species. On the basis of the criteria described, 12 isolates formed a
distinct genomic group, designated M19. rRNA gene restriction patterns of
the group M19 isolates resembled but were not identical to the B. garinii
patterns. Hybridization of digested DNA with a flagellin probe confirmed
the separation of group M19 from the B. garinii isolates. One isolate, M63,
was different from all the others. In conclusion, the occurrence of B.
burgdorferi sensu stricto, B. garinii, and B. burgdorferi group VS461 in
ticks from The Netherlands corresponds with the occurrence of these genomic
species among tick isolates from other European countries. However, our
findings suggest that B. burgdorferi sensu lato probably contains more than
three genomic species.
Copyright © 1995 by the American Society for Microbiology. All rights reserved.
Genotypic and phenotypic analysis of Borrelia burgdorferi isolates from The Netherlands
Department of Medical Microbiology, State University of Limburg, Maastricht, The Netherlands.
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