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Cytomegalovirus in urine: detection of viral DNA by sandwich hybridization
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1984 (English)In: Journal of Clinical Microbiology, ISSN 0095-1137, E-ISSN 1098-660X, Vol. 20, no 6, 1083-1088 p.Article in journal (Refereed) Published
Abstract [en]

A cytomegalovirus (CMV)-specific sandwich hybridization test was constructed by using two adjacent BamHI DNA fragments of CMV DNA as reagents. The fragments were cloned into two different vectors. One of the recombinants was attached to the filter, and the other was the labeled probe. When present in the sample, CMV DNA mediated labeling of the filter by hybridizing to both the filter-bound DNA and the probe. The sandwich hybridization test was applied for the detection of CMV DNA from urine. DNA was released from virus by 2% Sarkosyl, concentrated by 2-butanol extraction and isopropanol precipitation, denatured, and finally subjected to the sandwich hybridization test. As a result, 70 to 90% of the original viral DNA could be recovered and demonstrated by the quantitative hybridization reaction. Urine could be stored at room temperature in Sarkosyl for at least 2 days without affecting the detectability of CMV. The clinical applicability of the test was evaluated by studying urine samples from four infants excreting CMV. Sandwich hybridization demonstrated the presence of CMV DNA in all of the specimens. These contained originally 105to 108CMV DNA molecules per ml.

Place, publisher, year, edition, pages
1984. Vol. 20, no 6, 1083-1088 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-169923PubMedID: 6097598OAI: oai:DiVA.org:uu-169923DiVA: diva2:508061
Available from: 2012-03-07 Created: 2012-03-07 Last updated: 2012-03-30Bibliographically approved

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Syvänen, Ann-Christine
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