Table 4.

Expression of genes involved in electron transport or cytochrome metabolism in B. subtilis JH641 grown under anaerobic conditionsa

GeneDescriptionInduction (fold)
NitrateNitriteFermentation
cydA Cytochrome bdubiquinol oxidase (subunit I)5.427.862.2
cydB Cytochrome bd uniquinol oxidase (subunit II)16.140.078.4
cydC ABC membrane transporter (ATP-binding protein)16.561.2104.4
cydD ABC membrane transporter (ATP-binding protein)19.659.474.2
ctaA Heme-containing membrane protein6.511.113.7
ctaB Cytochromecaa 3 oxidase assembly factor2.13.54.1
ctaC Cytochromecaa 3 oxidase (subunit II)5.36.19.7
ctaD Cytochrome caa 3 oxidase (subunit I)4.56.611.4
ctaE Cytochromecaa 3 oxidase (subunit III)3.63.65.3
ctaF Cytochrome caa 3 oxidase (subunit IV)1.81.92.6
ctaG 2.42.52.4
hemH Ferrochelatase6.38.313.8
hemY Protoporphyrinogen IX and coproporphyrinogen III oxidase6.28.112.1
hemE Uroporphyrinogen III decarboxylase5.28.312.5
resA Similar to cytochrome c biogenesis protein3.86.16.0
resB Similar to cytochrome c biogenesis protein4.25.76.3
resC Similar to cytochromec biogenesis protein4.56.66.5
qcrA Menaquinol:cytochrome c oxidoreductase (iron-sulfur subunit)3.63.72.6
qcrB Menaquinol:cytochrome c oxidoreductase (cytochrome b subunit)3.83.83.0
qcrC Menaquinol:cytochrome c oxidoreductase (cytochrome bc subunit)2.31.71.7
qoxA Cytochrome aa 3 quinol oxidase (subunit II)2.03.02.9
qoxB Cytochromeaa 3 quinol oxidase (subunit I)2.02.83.2
qoxC Cytochromeaa 3 quinol oxidase (subunit III)2.13.02.5
qoxD Cytochromeaa 3 quinol oxidase (subunit IV)2.23.43.0
  • ↵a Growth conditions and data presentation are as described in Table 1. No pyruvate was added for fermentation growth.