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Journal of Clinical Microbiology, April 1999, p. 950-953, Vol. 37, No. 4
Laboratoire de
Bactériologie-Virologie1 and
Service des Maladies Infectieuses,
Received 19 August 1998/Returned for modification 5 October
1998/Accepted 21 December 1998
We used a novel type of primer system, a system that uses stair
primers, in which the primer sequences are based on consensus sequences
in the DNA polymerase gene of herpesvirus to detect herpesviruses by
PCR. A single PCR in a single tube detected the six major herpesviruses
that infect the central nervous system: herpes simplex virus type 1 (HSV-1), and type 2 (HSV-2), cytomegalovirus (CMV), Epstein-Barr virus
(EBV), varicella-zoster virus (VZV), and human herpesvirus 6 (HHV-6).
We used the technique to analyze 142 cerebrospinal fluid (CSF) samples
that had been stored at
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
Amplification of the Six Major Human Herpesviruses
from Cerebrospinal Fluid by a Single PCR
80°C and compared the results with those
obtained previously for the same samples by standard, targeted PCR.
Four hundred one targeted PCR tests had been run with the 142 samples
to detect HSV-1, HSV-2, CMV, and VZV; screening for EBV and HHV-6 was
not prescribed when the samples were initially taken. Eighteen CSF samples tested positive by classic targeted PCR. The herpesvirus consensus PCR detected herpesviruses in 37 samples, including 3 samples
with coinfections and 17 viral isolates which were not targeted. Two
samples identified as infected by the targeted PCR tested negative by
the consensus PCR, and eight samples that tested positive by the
consensus PCR were negative by the targeted PCR. One hundred three
samples scored negative by both the targeted and the consensus PCRs.
This preliminary study demonstrates the value of testing for six
different herpesviruses simultaneously by a sensitive and
straightforward technique rather than screening only for those viruses
that are causing infections as suggested by clinical signs.
*
Corresponding author. Mailing address: Laboratoire de
Bactériologie-Virologie, Faculté de Médecine,
Université Rennes 1, 2 avenue du Pr Léon Bernard, CS 34317, 35 043 Rennes cedex, France. Phone: 0299284276. Fax: 0299284159. E-mail:
colimon{at}mailhost.univ-rennes1.fr.
Journal of Clinical Microbiology, April 1999, p. 950-953, Vol. 37, No. 4
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.
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