Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites

A method for generating limited representations of total bacterial DNA, without prior knowledge of the DNA sequence, has been developed. This method consists of three steps: digestion with two restriction enzymes, ligation of two oligonucleotide adapters corresponding to the restriction sites, and s...

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Main Authors: Aleksander Masny, Andrzej Plucienniczak
Format: Article
Language:English
Published: Taylor & Francis Group 2001-10-01
Series:BioTechniques
Online Access:https://www.future-science.com/doi/10.2144/01314rr04
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author Aleksander Masny
Andrzej Plucienniczak
author_facet Aleksander Masny
Andrzej Plucienniczak
author_sort Aleksander Masny
collection DOAJ
description A method for generating limited representations of total bacterial DNA, without prior knowledge of the DNA sequence, has been developed. This method consists of three steps: digestion with two restriction enzymes, ligation of two oligonucleotide adapters corresponding to the restriction sites, and selective PCR amplification of the ligation products. The method relies on the use of two restriction enzymes with considerable differences in cleavage frequency of the investigated DNA and the ligation of two different oligonucleotides, each corresponding to one of the two cohesive ends of DNA fragments. Three subsets of DNA fragments are generated during digestion and subsequent ligation: terminated with the same oligonucleotide on both 5′ ends of DNA fragments (two subsets) and terminated with two different oligonucleotides. Suppression PCR allows only the third subset of DNA fragments to be amplified exponentially. The method allows bacterial species strain differentiation on the basis of the different DNA band patterns obtained after electrophoresis in polyacrylamide gels stained with ethidium bromide and visualized in UV light.
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spelling doaj-art-b3ee9db0e46743359fbae715bd172f9e2025-08-20T02:26:06ZengTaylor & Francis GroupBioTechniques0736-62051940-98182001-10-0131493093610.2144/01314rr04Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction SitesAleksander Masny0Andrzej Plucienniczak11Institute of Biotechnology and Antibiotics, Warsaw, Poland1Institute of Biotechnology and Antibiotics, Warsaw, PolandA method for generating limited representations of total bacterial DNA, without prior knowledge of the DNA sequence, has been developed. This method consists of three steps: digestion with two restriction enzymes, ligation of two oligonucleotide adapters corresponding to the restriction sites, and selective PCR amplification of the ligation products. The method relies on the use of two restriction enzymes with considerable differences in cleavage frequency of the investigated DNA and the ligation of two different oligonucleotides, each corresponding to one of the two cohesive ends of DNA fragments. Three subsets of DNA fragments are generated during digestion and subsequent ligation: terminated with the same oligonucleotide on both 5′ ends of DNA fragments (two subsets) and terminated with two different oligonucleotides. Suppression PCR allows only the third subset of DNA fragments to be amplified exponentially. The method allows bacterial species strain differentiation on the basis of the different DNA band patterns obtained after electrophoresis in polyacrylamide gels stained with ethidium bromide and visualized in UV light.https://www.future-science.com/doi/10.2144/01314rr04
spellingShingle Aleksander Masny
Andrzej Plucienniczak
Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
BioTechniques
title Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
title_full Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
title_fullStr Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
title_full_unstemmed Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
title_short Fingerprinting of Bacterial Genomes by Amplification of DNA Fragments Surrounding Rare Restriction Sites
title_sort fingerprinting of bacterial genomes by amplification of dna fragments surrounding rare restriction sites
url https://www.future-science.com/doi/10.2144/01314rr04
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