H-NOX Influences Biofilm Formation, Central Metabolism, and Quorum Sensing in .

The transition from planktonic to biofilm growth in bacteria is often accompanied by greater resistance to antibiotics and other stressors, as well as distinct alterations in physical traits, genetic activity, and metabolic restructuring. In many species, the heme nitric oxide/oxygen binding proteins (H-NOX) play an important role in this process, although the signaling mechanisms and pathways in which they participate are quite diverse and largely unknown. In , deletion of the gene results in a severe biofilm-deficient phenotype.