Files in this Data Supplement:

• Supplemental file 1 - Fig. S1, variations in signal intensity within each spot pair
  Zipped TIF document, 80K.
• Supplemental file 2 - Table S1 and S2, genes whose transcription was induced and decreased, respectively, under fermentative conditions; Table S3 and S4, proteins whose synthesis rates were increased and decreased, respectively, under anaerobic conditions
  MS Word document, 1.2MB.
• Supplemental file 3 - Table S5, genes showing increased transcription under anaerobic conditions preceded by an conserved inverted repeat
  MS Word document, 53K.