Furthermore , addition of NO to E. coli cultures leads to upregulation of norV via transcriptional activation by the regulator NorR .
The NorR protein of Escherichia coli activates expression of the Flavorubredoxin gene norV in response to reactive-nitrogen-species .
The NorR protein of Escherichia coli activates expression of the flavorubredoxin gene norV in response to reactive-nitrogen-species .