Ernst, Florian D NikR mediates nickel-responsive transcriptional repression of the Helicobacter pylori outer membrane proteins FecA3 (HP1400) and FrpB4 (HP1512). [electronic resource] - Infection and immunity Dec 2006 - 6821-8 p. digital Publication Type: Journal Article ISSN: 0019-9567 Standard No.: 10.1128/IAI.01196-06 doi Subjects--Topical Terms: Bacterial Outer Membrane Proteins--geneticsBacterial Proteins--geneticsBase SequenceDown-RegulationGene Expression Regulation, BacterialHelicobacter pylori--drug effectsIron--metabolismMolecular Sequence DataNickel--metabolismOperon--drug effectsPromoter Regions, GeneticRepressor Proteins--geneticsTranscription, Genetic--drug effects