Status	Description	Organism	Genes	References
	NADH oxidase H2O-forming	Bifidobacterium breve	nox
	NADH oxidase H2O-forming	Streptococcus macedonicus	G13FL-1045
	NADH oxidase (H2O-forming)	Streptococcus mutans	naoX
	NADH oxidase (H2O-forming)	Streptococcus thermophilus	nox
	NADH oxidase (water-forming)	Lactococcus cremoris MG1363	noxE	[358]