An FNR-dependent promoter fromEscherichia coliis active and anaerobically inducible inParacoccus denitrificans
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چکیده
منابع مشابه
Fine-tuned regulation by oxygen and nitric oxide of the activity of a semi-synthetic FNR-dependent promoter and expression of denitrification enzymes in Paracoccus denitrificans.
In Paracoccus denitrificans at least three fumarate and nitrate reductase regulator (FNR)-like proteins [FnrP, nitrite and nitric oxide reductases regulator (NNR) and NarR] control the expression of several genes necessary for denitrifying growth. To gain more insight into this regulation, beta-galactosidase activity from a plasmid carrying the lacZ gene fused to the Escherichia coli melR promo...
متن کاملTwo-component regulatory proteins ResD-ResE are required for transcriptional activation of fnr upon oxygen limitation in Bacillus subtilis.
Bacillus subtilis can grow anaerobically in the presence of nitrate as a terminal electron acceptor. The two component regulatory proteins, ResD and ResE, and an anaerobic gene regulator, FNR, were previously shown to be indispensable for nitrate respiration in B. subtilis. Unlike Escherichia coli fnr, B. subtilis fnr transcription was shown to be highly induced by oxygen limitation. fnr is tra...
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When grown on methylamine as a sole carbon source, Paracoccus denitrificans synthesizes a Type I blue copper protein which mediates electron transfer between methylamine dehydrogenase and cytochrome c. This blue copper protein does not serve as an electron acceptor for methanol dehydrogenase and is not synthesized by cells grown on methanol or succinate. The blue copper protein and methylamine ...
متن کاملZinc-Dependent Transcriptional Regulation in Paracoccus denitrificans
Zinc homeostasis is critical for bacterial survival and is mediated largely at the transcriptional level by the regulation of zinc uptake and efflux genes. Here we use RNA-seq to assess transcriptional changes as a result of zinc limitation in the denitrifying bacterium Paracoccus denitrificans. The results identify the differential expression of 147 genes, most of which were upregulated in zin...
متن کاملNopaline synthase promoter is wound inducible and auxin inducible.
The activity of the nopaline synthase (nos) promoter is differentially regulated in several plant organs. In this article we demonstrate that the nos promoter is wound inducible in both vegetative and reproductive organs. The induction of the nos promoter was observed in leaves, stems, cotyledons, and various reproductive organs, suggesting that the response is not organ specific. The wound res...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1992
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.1992.tb05504.x