The effect of nalidixic acid on the expression of some genes in Escherichia coli K-12
โ Scribed by H. Shuman; M. Schwartz
- Book ID
- 118309891
- Publisher
- Elsevier Science
- Year
- 1975
- Tongue
- English
- Weight
- 321 KB
- Volume
- 64
- Category
- Article
- ISSN
- 0006-291X
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DNA fragments of 3.4 kb containing the gyrB gene were cloned from Escherichia coli KL-16 and from spontaneous nalidixic acid-resistant mutants. The mutations (nal-24 and nal-31) had been determined to be in the gyrB gene by transduction analysis. Nucleotide sequence analysis of the cloned DNA fragme
Escherichia coli K12 Hfr H Tsxs Strs and F- Pro- Tsxr His- Arg- Strr bacteria were conjugated in the absence of arginine with or without glucose. The efficiency of conjugation, measured by the frequency of Pro+ and His+ recombinants was not affected. Arginine starvation alone did not affect the tsxs
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