An erythromycin resistance cassette and mini-transposon for constructing transcriptional fusions to cat

A new cassette (Er-Cm cassette) and mini-transposon (mTn) (Tn MaxErCm) based on the previously described mTn, Tn Max2 [Haas et al., Gene 130, 23–31.], have been constructed. The cassette and mTn make use of an erythromycin resistance (Er R) marker encoded by ermC′. Both the Er-Cm cassette and Tn Max...

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Veröffentlicht in:Gene 1999-03, Vol.229 (1), p.59-65
Hauptverfasser: Baron, G.S, Nano, F.E
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description A new cassette (Er-Cm cassette) and mini-transposon (mTn) (Tn MaxErCm) based on the previously described mTn, Tn Max2 [Haas et al., Gene 130, 23–31.], have been constructed. The cassette and mTn make use of an erythromycin resistance (Er R) marker encoded by ermC′. Both the Er-Cm cassette and Tn MaxErCm also carry a promoterless cat gene to allow the construction of transcriptional fusions and the measurement of transcriptional activity by assaying for chloramphenicol acetyltransferase. We show the function of these genetic elements by analyzing the regulation of expression of the mglA gene of Francisella novicida and by using Tn MaxErCm to probe for promoter activity within an F. novicida recombinant clone. The reporter cassette and mTn described here further expand the family of Tn Max transposons and facilitate the study of gene expression in organisms where direct Tn mutagenesis methods are unavailable.
doi_str_mv 10.1016/S0378-1119(99)00032-3
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Bacterial Proteins - genetics
Chloramphenicol O-Acetyltransferase - genetics
DNA Transposable Elements - genetics
DNA, Bacterial - genetics
Drug Resistance - genetics
ermC
Erythromycin - pharmacology
F. novicida
Francisella - genetics
Francisella novicida
Gene Expression Regulation, Bacterial - genetics
Genes, Reporter - genetics
Genetic Markers - genetics
mglA
Mutagenesis, Insertional
orifd
Plasmids - genetics
reporter gene
Tn MaxErCm
Transcription, Genetic - genetics
title An erythromycin resistance cassette and mini-transposon for constructing transcriptional fusions to cat
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