Four ribosomal protein genes, rplA, rplJ, rplK and rplL form an operon in E. coli together with the genes rpoB and rpoC which encode the/~ and fi' subunits of RNA polymerase. Transcription is initiated principally at two promoters, PL1 and P1, the overall structure of the operon being (in the direct
The lpf operon of invasive Escherichia coli
โ Scribed by Diana Ideses; Dvora Biran; Uri Gophna; Orlev Levy-Nissenbaum; Eliora Z. Ron
- Book ID
- 116558046
- Publisher
- Elsevier Science
- Year
- 2005
- Tongue
- English
- Weight
- 270 KB
- Volume
- 295
- Category
- Article
- ISSN
- 1438-4221
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
The rate of synthesis and intracellular content of the NusA protein, a transcription termination factor, were determined for wild-type and nusA and/or nusB mutants of Escherichia coli. Both the rate and content of NusA in wild-type strains were similar to that of the RNA polymerase sigma subunit, a
Three strong and two minor rpsA promoters were found by nuclease S1 mapping, promoter cloning and in vitro transcription. The longest transcript encodes a protein, located upstream from rpsA with a molecular weight of 25,000. The identity of this protein remains to be established. The other rpsA pro
The bifunctional enzyme imidazoleglycerolphosphate dehydratase and histidinolphosphate phosphatase is encoded by the hisB gene. The fourth gene of the histidine operon, hisB, was cloned and mapped on a 2,300 base pair DNA fragment. In the present study we report the complete nucleotide sequence of t