PMID:3884973
| Citation |
Kataoka, H and Sekiguchi, M (1985) Molecular cloning and characterization of the alkB gene of Escherichia coli. Mol. Gen. Genet. 198:263-9 |
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| Abstract |
Using methods of in vitro recombination we constructed hybrid plasmids that can suppress the increased methylmethane sulfonate sensitivity caused by alkB mutation. Since the cloned DNA fragment was mapped at 47 min on the Escherichia coli K12 genetic map, an area where the alkB gene is located, we concluded that the cloned DNA fragment contains the alkB gene itself but not other genes that suppress alkB mutation. Specific labeling of plasmid-encoded proteins by the maxicell method revealed that the alkB codes for a polypeptide with a molecular weight of about 27,000. Introduction of a small deletion into the alkB region of the bacterial chromosome resulted in inactivation of both the alkB and ada genes, thereby suggesting that the two genes are adjacent on the E. coli chromosome. |
| Links | |
| Keywords |
Alkylation; Bacterial Proteins/genetics; Chromosome Mapping; Cloning, Molecular; DNA Repair; DNA, Bacterial/genetics; Escherichia coli/enzymology; Escherichia coli/genetics; Genes, Bacterial |
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