Timeline
Françoise Norel-Bozouklian
Group Leader
01 Jan 2023
publication
Loss of CorA, the primary magnesium transporter of Salmonella, is alleviated by MgtA and PhoP-dependent compensatory mechanisms.
Read more01 Jan 2022
publication
The stress sigma factor σS/RpoS counteracts Fur repression of genes involved in iron and manganese metabolism and modulates the ionome of Salmonella enterica serovar Typhimurium.
Read more06 Jan 2021
publication
Escherichia coli Genomic Diversity within Extraintestinal Acute Infections Argues for Adaptive Evolution at Play.
Read more15 Jan 2018
publication
The stress sigma factor of RNA polymerase RpoS/σ is a solvent-exposed open molecule in solution
Read more18 May 2017
publication
Proteome remodelling by the stress sigma factor RpoS/σS in Salmonella: identification of small proteins and evidence for post-transcriptional regulation.
Read more16 May 2016
publication
Recent advances in the characterization of Crl, the unconventional activator of the stress sigma factor σS/RpoS
Read more16 Sep 2015
10 Sep 2015
04 Sep 2015
publication
Binding interface between the Salmonella σ(S)/RpoS subunit of RNA polymerase and Crl: hints from bacterial species lacking crl
Read more01 May 2015
publication
(1)H, (13)C and (15)N resonance assignments of σ(S) activating protein Crl from Salmonella enterica serovar Typhimurium
Read more25 Jan 2015
publication
Characterization of the RpoS status of clinical isolates of Salmonella enterica
Read more25 Jan 2015
publication
Crl activates transcription initiation of RpoS-regulated genes involved in the multicellular behavior of Salmonella enterica serovar Typhimurium
Read more10 Jan 2015
publication
Repressor activity of the RpoS/σS-dependent RNA polymerase requires DNA binding
Read more15 Oct 2014
publication
Structural and functional features of Crl proteins and identification of conserved surface residues required for interaction with the RpoS/σS subunit of RNA polymerase
Read more08 May 2014
publication
Expanding the RpoS/σS-network by RNA sequencing and identification of σS-controlled small RNAs in Salmonella
Read more08 Oct 2010
publication
Crl binds to domain 2 of σ(S) and confers a competitive advantage on a natural rpoS mutant of Salmonella enterica serovar Typhi
Read more30 Sep 2010
publication
Molecular and evolutionary bases of within-patient genotypic and phenotypic diversity in Escherichia coli extraintestinal infections
Read more16 Aug 2010
publication
A proteomic analysis reveals differential regulation of the σ(S)-dependent yciGFE(katN) locus by YncC and H-NS in Salmonella and Escherichia coli K-12
Read more11 Dec 2009
publication
Identification of conserved amino acid residues of the Salmonella sigmaS chaperone Crl involved in Crl-sigmaS interactions
Read more25 Sep 2008
publication
Binding of the unorthodox transcription activator, Crl, to the components of the transcription machinery
Read more02 May 2008
publication
Effect of growth temperature on Crl-dependent regulation of sigmaS activity in Salmonella enterica serovar Typhimurium
Read more09 Feb 2007
publication
Physiological effects of Crl in Salmonella are modulated by sigmaS level and promoter specificity
Read more01 Nov 2001
publication
Comparison of DeltarelA strains of Escherichia coli and Salmonella enterica serovar Typhimurium suggests a role for ppGpp in attenuation regulation of branched-chain amino acid biosynthesis
Read more01 Mar 2001
publication
Identification of a non-haem catalase in Salmonella and its regulation by RpoS (sigmaS)
Read more01 Jul 2000
publication
Identification of RpoS (sigma(S))-regulated genes in Salmonella enterica serovar typhimurium
Read more26 Jun 1999
publication
Comparison of the abilities of Salmonella typhimurium rpoS, aroA and rpoS aroA strains to elicit humoral immune responses in BALB/c mice and to cause lethal infection in athymic BALB/c mice
Read more01 Apr 1999
publication
A coding segment of the virulence regulatory gene spvR enhances expression of spvR-lacZ and spvR-gfp translational fusions in Salmonella typhimurium
Read more01 Jan 1999
publication
The rpoS mutant allele of Salmonella typhi Ty2 is identical to that of the live typhoid vaccine Ty21a
Read more01 Oct 1997
publication
Relationships between H-NS, sigma S, SpvR and growth phase in the control of spvR, the regulatory gene of the Salmonella plasmid virulence operon
Read more01 Oct 1996
publication
Virulence and vaccine potential of Salmonella typhimurium mutants deficient in the expression of the RpoS (sigma S) regulon
Read more23 May 1996
publication
Identification of cis-acting DNA sequences involved in the transcription of the virulence regulatory gene spvR in Salmonella typhimurium
Read more15 Feb 1995
publication
The live oral typhoid vaccine Ty21a is a rpoS mutant and is susceptible to various environmental stresses
Read more01 Nov 1994
publication
The Salmonella typhimurium katF (rpoS) gene: cloning, nucleotide sequence, and regulation of spvR and spvABCD virulence plasmid genes
Read more01 Mar 1993
publication
Molecular analysis of spv virulence genes of the Salmonella virulence plasmids
Read more01 Dec 1992
publication
The putative sigma factor KatF (RpoS) is required for the transcription of the Salmonella typhimurium virulence gene spvB in Escherichia coli
Read more01 Aug 1992
publication
Growth phase and SpvR regulation of transcription of Salmonella typhimurium spvABC virulence genes
Read more01 Nov 1989
publication
A plasmid-borne virulence region (2.8 kb) from Salmonella typhimurium contains two open reading frames
Read more01 Sep 1989
publication
Nucleotide sequence of the plasmid-borne virulence gene mkfB from Salmonella typhimurium
Read more01 Jun 1989
publication
Cloning and expression of plasmid DNA sequences involved in Salmonella serotype typhimurium virulence
Read more01 Mar 1989
publication
Nucleotide sequence of the plasmid-borne virulence gene mkfA encoding a 28 kDa polypeptide from Salmonella typhimurium
Read more01 Nov 1988
publication