Bacteroides fragilis strains were grown to mid-log phase (O.D.600nm 0.4-0.6) in defined minimal media (Varel, V.H et al. Appl. Microbiol.28(2):251-257, 1974.) supplemented with 6.6 mM or 0.0066 mM of KH2PO4.
Extracted molecule
total RNA
Extraction protocol
Total RNAs were extracted using hot-phenol method.
Label
Cy3
Label protocol
Labeling was performed by NimbleGen Systems Inc., Madison, WI USA, following their standard operating protocol. See www.nimblegen.com.
Hybridization protocol
Hybridization was performed by NimbleGen Systems Inc., Madison, WI, USA following their standard operating protocol. See www.nimblegen.com.
Scan protocol
Scanning was performed by NimbleGen Systems Inc., Madison, WI USA, following their standard operating protocol. See www.nimblegen.com.
Description
delta PhoB 6.6
Data processing
The raw data (.pair file) was subjected to RMA (Robust Multi-Array Analysis), quantile normalization, and background correction as implemented in the ArrayStar software (DNASTAR)