Molecular and General Genetics 1980-01-01

Mapping of two transcription mutations (tlnI and tlnII) conferring thiolutin resistance, adjacent to dnaZ and rho in Escherichia coli.

N Sivasubramanian, R Jayaraman

文献索引：Mol. Gen. Genet. 180(3) , 609-15, (1980)

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摘要

Two mutations in Escherichia coli conferring resistance to the transcription initiation inhibitor, thiolutin, have been mapped. One of these mutations (tln-I)( maps at 10.2 min on the genetic map and is cotransducible with dnaZ at a frequency of approximately 50%. The other mutation (tln-II) maps between metE and ilvD, probably close to rho, and is cotransducible with ilvD at a frequency of approximately 65%. The presence of both the mutations in the same cell confers resistance to thiolutin in minimal medium. Either one of them alone renders the cell 'conditionally auxotrophic' in the presence of the drug. The implications of these findings are discussed in relation to the mode of action of the thiolutin sensitive factors in transcription.

相关化合物

  • 硫藤黄素

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