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Multiplex, fluorescent, solid-phase minisequencing for efficient screening of DNA sequence variation
1996 (English)In: Clinical Chemistry, ISSN 0009-9147, E-ISSN 1530-8561, Vol. 42, no 9, 1391-1397 p.Article in journal (Refereed) Published
Abstract [en]

We developed a multiplex, solid-phase minisequencing method to detect multiple single-nucleotide polymorphisms in an undivided sample. The amplified DNA templates are first captured on a manifold. Then, with multiple minisequencing primers of various sizes, single-nucleotide extension reactions are carried out simultaneously with fluorescently labeled dideoxynucleotides. The size of the extended product, determined by using a DNA sequencing instrument, defines the site of the polymorphisms, and the incorporated nucleotide gives the identity of the nucleotide at each site. HLA-DQA1 typing was used as a model system to evaluate the method. The DR2 subgroup of the HLA-DRB1 gene was typed along with the DQA1 gene to demonstrate the feasibility of the method in analyzing multiple genes at multiple sites simultaneously. The method is generally applicable for screening any single-nucleotide polymorphisms or point mutations, and its manifold format allows practical handling of large numbers of samples.

Place, publisher, year, edition, pages
1996. Vol. 42, no 9, 1391-1397 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-169820PubMedID: 8787694OAI: oai:DiVA.org:uu-169820DiVA: diva2:507787
Available from: 2012-03-06 Created: 2012-03-06 Last updated: 2012-04-10Bibliographically approved

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Syvänen, Ann-Christine
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