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Journal of Clinical Microbiology, May 2003, p. 1971-1976, Vol. 41, No. 5
0095-1137/03/$08.00+0     DOI: 10.1128/JCM.41.5.1971-1976.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.

Improved Detection of Rhinoviruses by Nucleic Acid Sequence-Based Amplification after Nucleotide Sequence Determination of the 5' Noncoding Regions of Additional Rhinovirus Strains

K. Loens,1* M. Ieven,1 D. Ursi,1 C. de Laat,2 P. Sillekens,2 P. Oudshoorn,2 and H. Goossens1

Department of Microbiology, University of Antwerp UIA, Antwerp, Belgium,1 Organon Teknika BV, Boxtel, The Netherlands2

Received 11 February 2002/ Returned for modification 4 August 2002/ Accepted 19 February 2003

The isothermal nucleic acid sequence-based amplification (NASBA) system was applied for the detection of rhinoviruses using primers targeted at the 5' noncoding region (5' NCR) of the viral genome. The nucleotide sequence of the 5' NCRs of 34 rhinovirus isolates was determined to map the most conserved regions and design more appropriate primers and probes. The assay amplified RNA extracted from 30 rhinovirus reference strains and 88 rhinovirus isolates, it did not amplify RNA from 49 enterovirus isolates and other respiratory viruses. The assay allows one to discriminate between group A and B rhinoviruses. Sensitivities for the detection of group B and group A rhinoviruses was 20 and 200 50% tissue culture infective doses, respectively.


* Corresponding author. Mailing address: Department of Medical Microbiology, University of Antwerp, Universiteitsplein 1 S3, B-2610 Wilrijk, Belgium. Phone: 32-3-820-25-51. Fax: 32-3-820-26-63. E-mail: katherine.loens{at}ua.ac.be.


Journal of Clinical Microbiology, May 2003, p. 1971-1976, Vol. 41, No. 5
0095-1137/03/$08.00+0     DOI: 10.1128/JCM.41.5.1971-1976.2003
Copyright © 2003, American Society for Microbiology. All Rights Reserved.




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