Respiratory inhibitors activate an Fnr-like regulatory protein in Paracoccus denitrificans: implications for the regulation of the denitrification pathway

. 1994 Feb ; 32 (2) : 245-50.

Jazyk angličtina Země Velká Británie, Anglie Médium print

Typ dokumentu časopisecké články, práce podpořená grantem

Perzistentní odkaz   https://www.medvik.cz/link/pmid08019429

Unlike the uncoupler carbonyl cyanide 3-chlorophenyl-hydrazone, the respiratory inhibitors CN-, N3-, NO2- and rotenone enhanced the formation of nitrate and nitrite reductases in highly aerated cultures of the Paracoccus denitrificans ex-conjugant PD1222 (pRW2A/FF). A maximal effect was observed at concentrations partly blocking electron transport to O2. The level of beta-galactosidase reporting the activity of an Fnr-like regulatory protein showed a similar concentration dependency. It is concluded that oxygen is sensed by Fnr in an indirect way, possibly via the redox state of a cellular component.

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Control of gene expression by FNR-like proteins in facultatively anaerobic bacteria

. 2002 ; 47 (2) : 95-103.

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