TABLE 3.

Genes whose expression responds mainly to respiration^a

Function and geneb	ORF descriptionc	Ratio
		Aero/Stat	Resp/Stat
Metabolism
adhE	Alcohol dehydrogenase/acetaldehyde dehydrogenase	−23	−91
frdC	Fumarate reductase flavoprotein subunit; serine-rich domain	−3	−7
Transport
amtB†	Ammonium transporter	1	5
glnB†	Nitrogen regulatory protein P-II	2	7
pnuC2	Nicotinamide mononucleotide transporter	2	5
ygfC†	Transcriptional regulator ygf operon	1	49
ygfB†	ABC transporter permease protein (39% identity YxeA) 29% identity to S. aureus putative heme permease HrtB (54)	1	37
ygfA†	ABC transporter ATP-binding protein (ORF), 59% identity to YxeB and 45% identity to S. aureus heme permease HrtA (54)	1	19
glnQ	Glutamine ABC transporter ATP-binding protein	−4	−10
mleS§	Malolactic enzyme	1	−4
mleP§	Malate transporter	1	−5

^aAs in Table 1, except that the values for Resp/Stat here are at least twofold greater than those for Aero/Stat.

^bGenes grouped by an associated symbol (†, †, or §) are adjacent and colinear. ygfCBA genes form a putative operon (see the text).

^cORF, open reading frame.