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Nucleic acid hybridization: from research tool to routine diagnostic method
1986 (English)In: Medical biology, ISSN 0302-2137, Vol. 64, no 6, 313-324 p.Article in journal (Refereed) Published
Abstract [en]

The nucleic acid hybridization reaction is extremely specific and thus a valuable tool for the identification of genes or organism of interest. The increasing use of nucleic acid hybridization in applied fields like diagnostic medicine has led to the development of more convenient hybridization assays than those originally used in basic research. In conventional nucleic acid hybridization methods immobilized nucleic acids are detected on a filter by a radiolabelled probe. Sandwich hybridization is a simple test format for the analysis of unpurified biological material, but has the disadvantage of a slow reaction rate. Solution hybridization methods are fast and easy to perform provided that a method to separate the formed hybrids from the reaction mixture is available. In non-isotopic detection the nucleic acid probe is modified with a chemical group, which is identified with a labelled detector molecule after hybridization. The low sensitivity of detection is the main problem in nucleic acid hybridization methods. Procedures to amplify the detectable signal or the amount of detectable nucleic acid sequences are potential solutions to this problem. The new hybridization methods have successfully been used for some applications, but still need to be combined into well performing tests to be applicable to any desired purpose.

Place, publisher, year, edition, pages
1986. Vol. 64, no 6, 313-324 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-169915PubMedID: 3546966OAI: oai:DiVA.org:uu-169915DiVA: diva2:508011
Available from: 2012-03-07 Created: 2012-03-07 Last updated: 2012-03-30Bibliographically approved

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Syvänen, Ann-Christine
Medical and Health Sciences

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