Literature DB >> 19363111

VirB alleviates H-NS repression of the icsP promoter in Shigella flexneri from sites more than one kilobase upstream of the transcription start site.

Maria I Castellanos1, Dustin J Harrison, Jennifer M Smith, Stephanie K Labahn, Karen M Levy, Helen J Wing.   

Abstract

The icsP promoter of Shigella spp. is repressed by H-NS and derepressed by VirB. Here, we show that an inverted repeat located between positions -1144 and -1130 relative to the icsP transcription start site is necessary for VirB-dependent derepression. The atypical location of this cis-acting site is discussed.

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Year:  2009        PMID： 19363111      PMCID： PMC2698392          DOI： 10.1128/JB.00313-09

Source DB:  PubMed          Journal:  J Bacteriol        ISSN： 0021-9193            Impact factor:   3.490


  34 in total

Review 1.  Transcriptional silencing in bacteria.

Authors:  M Yarmolinsky
Journal:  Curr Opin Microbiol       Date:  2000-04       Impact factor: 7.934

2.  Molecular dissection of VirB, a key regulator of the virulence cascade of Shigella flexneri.

Authors:  Christophe Beloin; Sorcha McKenna; Charles J Dorman
Journal:  J Biol Chem       Date:  2002-02-15       Impact factor: 5.157

3.  Regulation of IcsP, the outer membrane protease of the Shigella actin tail assembly protein IcsA, by virulence plasmid regulators VirF and VirB.

Authors:  Helen J Wing; Arthur W Yan; Seth R Goldman; Marcia B Goldberg
Journal:  J Bacteriol       Date:  2004-02       Impact factor: 3.490

4.  H-NS antagonism in Shigella flexneri by VirB, a virulence gene transcription regulator that is closely related to plasmid partition factors.

Authors:  Elizebeth C Turner; Charles J Dorman
Journal:  J Bacteriol       Date:  2007-02-16       Impact factor: 3.490

Review 5.  Anti-silencing: overcoming H-NS-mediated repression of transcription in Gram-negative enteric bacteria.

Authors:  Daniel M Stoebel; Andrew Free; Charles J Dorman
Journal:  Microbiology (Reading)       Date:  2008-09       Impact factor: 2.777

6.  Apyrase, the product of the virulence plasmid-encoded phoN2 (apy) gene of Shigella flexneri, is necessary for proper unipolar IcsA localization and for efficient intercellular spread.

Authors:  D Santapaola; F Del Chierico; A Petrucca; S Uzzau; M Casalino; B Colonna; R Sessa; F Berlutti; M Nicoletti
Journal:  J Bacteriol       Date:  2006-02       Impact factor: 3.490

7.  An extended role for the nucleoid structuring protein H-NS in the virulence gene regulatory cascade of Shigella flexneri.

Authors:  Christophe Beloin; Charles J Dorman
Journal:  Mol Microbiol       Date:  2003-02       Impact factor: 3.501

8.  Genetic screen for regulatory mutations in Methanococcus maripaludis and its use in identification of induction-deficient mutants of the euryarchaeal repressor NrpR.

Authors:  Thomas J Lie; John A Leigh
Journal:  Appl Environ Microbiol       Date:  2007-08-24       Impact factor: 4.792

9.  Determination of the InvE binding site required for expression of IpaB of the Shigella sonnei virulence plasmid: involvement of a ParB boxA-like sequence.

Authors:  Takayuki Taniya; Jiro Mitobe; Shu-ichi Nakayama; Qi Mingshan; Kenji Okuda; Haruo Watanabe
Journal:  J Bacteriol       Date:  2003-09       Impact factor: 3.490

Review 10.  Regulation by transcription factors in bacteria: beyond description.

Authors:  Enrique Balleza; Lucia N López-Bojorquez; Agustino Martínez-Antonio; Osbaldo Resendis-Antonio; Irma Lozada-Chávez; Yalbi I Balderas-Martínez; Sergio Encarnación; Julio Collado-Vides
Journal:  FEMS Microbiol Rev       Date:  2009-01       Impact factor: 16.408
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  18 in total

1.  VirB-mediated positive feedback control of the virulence gene regulatory cascade of Shigella flexneri.

Authors:  Kelly A Kane; Charles J Dorman
Journal:  J Bacteriol       Date:  2012-07-20       Impact factor: 3.490

2.  Characterization of the ospZ promoter in Shigella flexneri and its regulation by VirB and H-NS.

Authors:  David W Basta; Krystle L Pew; Joy A Immak; Hiromichi S Park; Michael A Picker; Amanda F Wigley; Christopher T Hensley; Jaclyn S Pearson; Elizabeth L Hartland; Helen J Wing
Journal:  J Bacteriol       Date:  2013-03-29       Impact factor: 3.490

3.  Two promoters and two translation start sites control the expression of the Shigella flexneri outer membrane protease IcsP.

Authors:  Christopher T Hensley; Olga K Kamneva; Karen M Levy; Stephanie K Labahn; Lia A Africa; Helen J Wing
Journal:  Arch Microbiol       Date:  2011-01-12       Impact factor: 2.552

Review 4.  Enterohemorrhagic and enteropathogenic Escherichia coli evolved different strategies to resist antimicrobial peptides.

Authors:  Jenny-Lee Thomassin; John R Brannon; Julienne Kaiser; Samantha Gruenheid; Herve Le Moual
Journal:  Gut Microbes       Date:  2012-08-16

5.  The iron-responsive Fur/RyhB regulatory cascade modulates the Shigella outer membrane protease IcsP.

Authors:  Lia A A Africa; Erin R Murphy; Nicholas R Egan; Amanda F Wigley; Helen J Wing
Journal:  Infect Immun       Date:  2011-08-22       Impact factor: 3.441

6.  The Antiactivator of Type III Secretion, OspD1, Is Transcriptionally Regulated by VirB and H-NS from Remote Sequences in Shigella flexneri.

Authors:  Joy A McKenna; Helen J Wing
Journal:  J Bacteriol       Date:  2020-04-27       Impact factor: 3.490

7.  Rational design of an artificial genetic switch: Co-option of the H-NS-repressed proU operon by the VirB virulence master regulator.

Authors:  Kelly A Kane; Charles J Dorman
Journal:  J Bacteriol       Date:  2011-08-26       Impact factor: 3.490

8.  Insights into transcriptional silencing and anti-silencing in Shigella flexneri: a detailed molecular analysis of the icsP virulence locus.

Authors:  Natasha Weatherspoon-Griffin; Michael A Picker; Krystle L Pew; Hiromichi S Park; Daren R Ginete; Monika Ma Karney; Pashtana Usufzy; Maria I Castellanos; Juan Carlos Duhart; Dustin J Harrison; Jillian N Socea; Alexander D Karabachev; Christopher T Hensley; Amber J Howerton; Rosa Ojeda-Daulo; Joy A Immak; Helen J Wing
Journal:  Mol Microbiol       Date:  2018-03-23       Impact factor: 3.501

9.  Characterization of SlyA in Shigella flexneri Identifies a Novel Role in Virulence.

Authors:  Natasha Weatherspoon-Griffin; Helen J Wing
Journal:  Infect Immun       Date:  2016-03-24       Impact factor: 3.441

10.  VirB, a key transcriptional regulator of virulence plasmid genes in Shigella flexneri, forms DNA-binding site dependent foci in the bacterial cytoplasm.

Authors:  Jillian N Socea; Grant R Bowman; Helen J Wing
Journal:  J Bacteriol       Date:  2021-03-15       Impact factor: 3.490
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