Literature DB >> 25845539

Effect of promoter-upstream sequence on σ38-dependent stationary phase gene transcription.

Hyung-Ju Lim1, Kwangsoo Kim, Minsang Shin, Jae-Ho Jeong, Phil Youl Ryu, Hyon E Choy.   

Abstract

σ38 in Escherichia coli is required for expression of a subset of stationary phase genes. However, the promoter elements for σ38-dependent genes are virtually indistinguishable from that for σ70-dependent house-keeping genes. hdeABp is a σ38-dependent promoter and LEE5p is a σ70-dependent promoter, but both are repressed by H-NS, a bacterial histone-like protein, which acts at promoter upstream sequence. We swapped the promoter upstream sequences of the two promoters and found that the σ dependency was switched. This was further verified using lacUV5 core promoter. The results suggested that the determinant for σ38-dependent promoter lies in the promoter upstream sequence.

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Year:  2015        PMID： 25845539     DOI： 10.1007/s12275-015-4681-8

Source DB:  PubMed          Journal:  J Microbiol        ISSN： 1225-8873            Impact factor:   3.422


  43 in total

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Journal:  J Microbiol       Date:  2004-06       Impact factor: 3.422

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3.  DNA looping-mediated repression by histone-like protein H-NS: specific requirement of Esigma70 as a cofactor for looping.

Authors:  Minsang Shin; Miryoung Song; Joon Haeng Rhee; Yeongjin Hong; You-Jin Kim; Yeong-Jae Seok; Kwon-Soo Ha; Se-Hui Jung; Hyon E Choy
Journal:  Genes Dev       Date:  2005-10-01       Impact factor: 11.361

4.  Role of the multidrug resistance regulator MarA in global regulation of the hdeAB acid resistance operon in Escherichia coli.

Authors:  Cristian Ruiz; Laura M McMurry; Stuart B Levy
Journal:  J Bacteriol       Date:  2007-12-14       Impact factor: 3.490

Review 5.  The role of the 'gearbox' in the transcription of essential genes.

Authors:  M Vicente; S R Kushner; T Garrido; M Aldea
Journal:  Mol Microbiol       Date:  1991-09       Impact factor: 3.501

Review 6.  The role of DNA conformation in transcriptional initiation and activation in Escherichia coli.

Authors:  J Geiselmann
Journal:  Biol Chem       Date:  1997-07       Impact factor: 3.915

7.  Gene silencing by H-NS from distal DNA site.

Authors:  Minsang Shin; Arvin Cesar Lagda; Jae Woong Lee; Abhay Bhat; Joon Haeng Rhee; Jeong-Sun Kim; Kunio Takeyasu; Hyon E Choy
Journal:  Mol Microbiol       Date:  2012-09-14       Impact factor: 3.501

8.  Sequence distributions associated with DNA curvature are found upstream of strong E. coli promoters.

Authors:  R R Plaskon; R M Wartell
Journal:  Nucleic Acids Res       Date:  1987-01-26       Impact factor: 16.971

9.  Role of the spacer between the -35 and -10 regions in sigmas promoter selectivity in Escherichia coli.

Authors:  Athanasios Typas; Regine Hengge
Journal:  Mol Microbiol       Date:  2006-02       Impact factor: 3.501

10.  Anatomy of Escherichia coli sigma70 promoters.

Authors:  Ryan K Shultzaberger; Zehua Chen; Karen A Lewis; Thomas D Schneider
Journal:  Nucleic Acids Res       Date:  2006-12-22       Impact factor: 16.971
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