Abstract
The DNA sequences upstream of the tet(O) and tet(M) open reading frames (ORFs) (ca. 300 bp) were found to share a higher degree of homology than those of the tet(O) and tet(M) ORFs themselves. A transcription initiation site for tet(O) was located by primer extension analysis. Campylobacter coli was found to use a promoter sequence different from that used by Escherichia coli. The sequence upstream of tet(O) was shown to be required in cis for high-level resistance to tetracycline.
MeSH Terms
Base Sequence
Campylobacter coli/genetics
DNA, Bacterial/genetics
Escherichia coli/genetics
Gene Expression Regulation, Bacterial
Microbial Sensitivity Tests
Molecular Sequence Data
Mutagenesis, Site-Directed
Open Reading Frames
RNA, Bacterial/genetics
Sequence Homology, Nucleic Acid
Tetracycline Resistance/genetics
Transcription, Genetic
Chemicals
DNA, Bacterial
RNA, Bacterial
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Wang Y
Department of Microbiology, University of Alberta, Edmonton, Canada.
Taylor D E
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