The experiments were aimed at comparison of gene expression patterns of Escherichia coli pcnB mutant (IBPC903) lacking functional poly(A) polymerase I with its isogenic wild-type (N3433) strain grown in Luria-Bertani (LB) by using custom microarrays with improved detection of E. coli sRNAs.
ORGANISM(S): Escherichia coli str. K-12 substr. MG1655