"rdlB is one of a set of four rdl genes, one of which has been shown to code for the antisense regulatory RNA part of a toxin-antitoxin pair (Kawano M,2002). All of the rdl genes are associated with a matched ldr gene (Kawano M,2002)."
Kawano M, Oshima T, Kasai H, and Mori H (2002) "Molecular characterization of long direct repeat (LDR) sequences expressing a stable mRNA encoding for a 35-amino-acid cell-killing peptide and a cis-encoded small antisense RNA in Escherichia coli." Mol Microbiol 45 (2)
Comparative Genomics by UCSC Genome Browser
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sRNA Expression Profiles
F plasmid induced changes in expression levels in E. coli