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PMID: 2419896 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S.

Colony probing as an alternative to standard sequencing as a means of direct analysis of chromosomal DNA to determine the spectrum of single-base changes in regions of known sequence.

Miller JK, Barnes WM

Abstract

We demonstrate here the means to directly analyze bacterial chromosomal DNA for all classes of single-base mutations in a specific codon in any region of known sequence through the use of DNA probing as a powerful substitute for standard sequencing techniques. With this method, chromosomal DNA from hundreds of mutants can be examined for single-base changes without any DNA cloning. This method can conveniently provide a large data base for the assessment of all classes of single-base mutations occurring spontaneously or induced by a known or suspected mutagen. The method is demonstrated for the analysis of histidine-independent (His+) revertants of hisG46, a missense mutation of Salmonella typhimurium that can revert in six or seven ways.

MeSH Terms
Azacitidine/pharmacology Bacteriological Techniques Base Sequence Chromosomes, Bacterial/analysis Codon DNA, Bacterial/analysis Genes, Bacterial Genetic Markers Genetic Techniques Mutation Nucleic Acid Hybridization Oligodeoxyribonucleotides/chemical synthesis,genetics Salmonella typhimurium/drug effects,genetics
Chemicals
Codon DNA, Bacterial Genetic Markers Oligodeoxyribonucleotides Azacitidine
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Miller J K
Barnes W M
References (18)
18 references, click to expand
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Article Info
Journal
Proceedings of the National Academy of Sciences of the United States of America
Abbr.
Proc Natl Acad Sci U S A
ISSN
0027-8424
Published
1986-02-00
Pages
1026-30
Language
English
Region
United States
NLM ID
7505876
PMCID
PMC323003
Subset
IM
Grants
NIGMS NIH HHS · GM 07067 · United States
NIGMS NIH HHS · GM24956 · United States
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