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In vivo phosphorylation dynamics of the Bordetella pertussis virulence-controlling response regulator BvgA.
Boulanger A, Chen Q, Hinton DM, Stibitz S. Boulanger A, et al. Mol Microbiol. 2013 Apr;88(1):156-72. doi: 10.1111/mmi.12177. Epub 2013 Mar 14. Mol Microbiol. 2013. PMID: 23489959 Free PMC article.
We have also examined a number of other aspects of BvgA function predicted from previous studies and by analogy with other two-component response regulators. ...We also detected the phosphorylation of a small but consistent fraction of BvgA purified after expression …
We have also examined a number of other aspects of BvgA function predicted from previous studies and by analogy with other two-compon …
Separation and Detection of Phosphorylated and Nonphosphorylated BvgA, a Bordetella pertussis Response Regulator, in vivo and in vitro.
Chen Q, Boulanger A, Hinton DM, Stibitz S. Chen Q, et al. Bio Protoc. 2013;3(22):e970. doi: 10.21769/BioProtoc.970. Bio Protoc. 2013. PMID: 27747260 Free PMC article.
Here we describe a method to detect phosphorylation of the Bordetella pertussis response regulator BvgA, which is phosphorylated at an aspartate residue (Boulanger et al., 2013). This method is based on the proprietary adduct, Phos-tag™, a dinuclear metal com …
Here we describe a method to detect phosphorylation of the Bordetella pertussis response regulator BvgA, which is phosphorylated at a …
Bordetella pertussis fim3 gene regulation by BvgA: phosphorylation controls the formation of inactive vs. active transcription complexes.
Boulanger A, Moon K, Decker KB, Chen Q, Knipling L, Stibitz S, Hinton DM. Boulanger A, et al. Proc Natl Acad Sci U S A. 2015 Feb 10;112(6):E526-35. doi: 10.1073/pnas.1421045112. Epub 2015 Jan 26. Proc Natl Acad Sci U S A. 2015. PMID: 25624471 Free PMC article.
Extended incubation of the BvgA/RNA polymerase initiated complex in the presence of heparin generates a stable, but defective species that depends on the initial transcribed sequence of fim3. ...
Extended incubation of the BvgA/RNA polymerase initiated complex in the presence of heparin generates a stable, but defective species …
Strong inhibition of fimbrial 3 subunit gene transcription by a novel downstream repressive element in Bordetella pertussis.
Chen Q, Boulanger A, Hinton DM, Stibitz S. Chen Q, et al. Mol Microbiol. 2014 Aug;93(4):748-58. doi: 10.1111/mmi.12690. Epub 2014 Jul 13. Mol Microbiol. 2014. PMID: 24963821 Free PMC article.
By swapping sequence elements we created a number of hybrid promoters and assayed their strength in vivo. We found that, while Pfim3 promoter elements upstream of the +1 transcriptional start site do indeed direct Bvg-activated transcription more efficiently than those of …
By swapping sequence elements we created a number of hybrid promoters and assayed their strength in vivo. We found that, while Pfim3 …
Multistress regulation in Escherichia coli: expression of osmB involves two independent promoters responding either to sigmaS or to the RcsCDB His-Asp phosphorelay.
Boulanger A, Francez-Charlot A, Conter A, Castanié-Cornet MP, Cam K, Gutierrez C. Boulanger A, et al. J Bacteriol. 2005 May;187(9):3282-6. doi: 10.1128/JB.187.9.3282-3286.2005. J Bacteriol. 2005. PMID: 15838058 Free PMC article.
The downstream promoter, osmBp2, is induced after osmotic shock or upon entry into stationary phase in a sigma(S)-dependent manner. ...Activation of osmBp1 by RcsB requires a sequence upstream of its -35 element similar to the RcsB binding site consensus, suggesting …
The downstream promoter, osmBp2, is induced after osmotic shock or upon entry into stationary phase in a sigma(S)-dependent manner. . …
Insights into the extracytoplasmic stress response of Xanthomonas campestris pv. campestris: role and regulation of {sigma}E-dependent activity.
Bordes P, Lavatine L, Phok K, Barriot R, Boulanger A, Castanié-Cornet MP, Déjean G, Lauber E, Becker A, Arlat M, Gutierrez C. Bordes P, et al. J Bacteriol. 2011 Jan;193(1):246-64. doi: 10.1128/JB.00884-10. Epub 2010 Oct 22. J Bacteriol. 2011. PMID: 20971899 Free PMC article.
Xanthomonas campestris pv. campestris is an epiphytic bacterium that can become a vascular pathogen responsible for black rot disease of crucifers. ...We show that the rpoE gene is organized as a single transcription unit with the anti-σ gene rseA and the protease g …
Xanthomonas campestris pv. campestris is an epiphytic bacterium that can become a vascular pathogen responsible for black rot disease …
Plant carbohydrate scavenging through tonB-dependent receptors: a feature shared by phytopathogenic and aquatic bacteria.
Blanvillain S, Meyer D, Boulanger A, Lautier M, Guynet C, Denancé N, Vasse J, Lauber E, Arlat M. Blanvillain S, et al. PLoS One. 2007 Feb 21;2(2):e224. doi: 10.1371/journal.pone.0000224. PLoS One. 2007. PMID: 17311090 Free PMC article.
Such an overrepresentation is common in Xanthomonas species but is limited to only a small number of bacteria. Here, we show that one Xcc TBDR transports sucrose with a very high affinity, suggesting that it might be a sucrose scavenger. This TBDR acts with a …
Such an overrepresentation is common in Xanthomonas species but is limited to only a small number of bacteria. Here, we show that one …
Identification and regulation of the N-acetylglucosamine utilization pathway of the plant pathogenic bacterium Xanthomonas campestris pv. campestris.
Boulanger A, Déjean G, Lautier M, Glories M, Zischek C, Arlat M, Lauber E. Boulanger A, et al. J Bacteriol. 2010 Mar;192(6):1487-97. doi: 10.1128/JB.01418-09. Epub 2010 Jan 15. J Bacteriol. 2010. PMID: 20081036 Free PMC article.
Xanthomonas campestris pv. campestris, the causal agent of black rot disease of brassicas, is known for its ability to catabolize a wide range of plant compounds. ...However, NagK-IIA seems to play a more important role in GlcNAc utilization than NagK-IIB under our …
Xanthomonas campestris pv. campestris, the causal agent of black rot disease of brassicas, is known for its ability to catabolize a w …
Using Ecology, Physiology, and Genomics to Understand Host Specificity in Xanthomonas.
Jacques MA, Arlat M, Boulanger A, Boureau T, Carrère S, Cesbron S, Chen NW, Cociancich S, Darrasse A, Denancé N, Fischer-Le Saux M, Gagnevin L, Koebnik R, Lauber E, Noël LD, Pieretti I, Portier P, Pruvost O, Rieux A, Robène I, Royer M, Szurek B, Verdier V, Vernière C. Jacques MA, et al. Annu Rev Phytopathol. 2016 Aug 4;54:163-87. doi: 10.1146/annurev-phyto-080615-100147. Epub 2016 Jan 1. Annu Rev Phytopathol. 2016. PMID: 27296145 Review.
The Xanthomonas genus includes Gram-negative plant-pathogenic bacteria that collectively infect a broad range of crops and wild plant species. However, individual Xanthomonas strains usually cause disease on only a few plant species and are highly adapted to their h …
The Xanthomonas genus includes Gram-negative plant-pathogenic bacteria that collectively infect a broad range of crops and wild plant …
The N-Glycan cluster from Xanthomonas campestris pv. campestris: a toolbox for sequential plant N-glycan processing.
Dupoiron S, Zischek C, Ligat L, Carbonne J, Boulanger A, Dugé de Bernonville T, Lautier M, Rival P, Arlat M, Jamet E, Lauber E, Albenne C. Dupoiron S, et al. J Biol Chem. 2015 Mar 6;290(10):6022-36. doi: 10.1074/jbc.M114.624593. Epub 2015 Jan 13. J Biol Chem. 2015. PMID: 25586188 Free PMC article.
This system encompasses a cluster of eight genes (nixE to nixL) encoding glycoside hydrolases (GHs). In this paper, we have characterized the enzymatic activities of these GHs and demonstrated their involvement in sequential degradation of a plant N-glycan using …
This system encompasses a cluster of eight genes (nixE to nixL) encoding glycoside hydrolases (GHs). In this paper, we have character …
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