when e. coli protein synthesis was blocked by chloramphenicol ( 100 micrograms/ml ) or by essential amino acid deprivation , the transcription rates of rplkajl genes ( the ones for l11 , l4 , l10 and l7/l12 ribosomal proteins ) and adjacent rpobc genes ( genes for rna polymerase beta- and beta'-polypeptides ) have been non-coordinately changed .
C0040649
transcription
C0035681
rna polymerase