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. 2001 Dec;183(23):6763–6770. doi: 10.1128/JB.183.23.6763-6770.2001

FIG. 4.

FIG. 4

Mapping of transcriptional start sites of bssDCABE and tdiSR by primer extension. (A) Sequencing and primer extension reactions with bssDpe primer. (B) Sequencing and primer extension reactions with tdiSpe primer. RNA was isolated from toluene-grown (lane 1), m-xylene-grown (lane 2), and benzoate-grown (lane 3) cells. (C) Nucleotide sequence of the tdiSR/bssDCABE promoter regions. Transcription start sites are indicated by +1, and putative −10 and −35 regions are underlined. Note that only one of the potential −10 regions of the bssDCABE promoter is underlined.