| Literature DB >> 9335308 |
G M Cook1, J Membrillo-Hernández, R K Poole.
Abstract
The expression of the cydDC operon was investigated by using a chromosomal phi(cydD-lacZ) transcriptional fusion and primer extension analysis. A single transcriptional start site was found for cydD located 68 bp upstream of the translational start site, and Northern blot analysis confirmed that cydDC is transcribed as a polycistronic message independently of the upstream gene trxB. cydDC was highly expressed under aerobic growth conditions and during anaerobic growth with alternative electron acceptors. Aerobic expression was independent of ArcA and Fnr, but induction of cydDC by nitrate and nitrite was dependent on NarL and Fnr.Entities:
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Year: 1997 PMID: 9335308 PMCID: PMC179575 DOI: 10.1128/jb.179.20.6525-6530.1997
Source DB: PubMed Journal: J Bacteriol ISSN: 0021-9193 Impact factor: 3.490