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Fine-tuning of choline metabolism is important for pneumococcal colonization.

Johnston C, Hauser C, Hermans PW, Martin B, Polard P, Bootsma HJ, Claverys JP.

Mol Microbiol. 2016 Jun;100(6):972-88. doi: 10.1111/mmi.13360. Epub 2016 Apr 6.


Co-Inactivation of GlnR and CodY Regulators Impacts Pneumococcal Cell Wall Physiology.

Johnston C, Bootsma HJ, Aldridge C, Manuse S, Gisch N, Schwudke D, Hermans PW, Grangeasse C, Polard P, Vollmer W, Claverys JP.

PLoS One. 2015 Apr 22;10(4):e0123702. doi: 10.1371/journal.pone.0123702. eCollection 2015.


RecFOR is not required for pneumococcal transformation but together with XerS for resolution of chromosome dimers frequently formed in the process.

Johnston C, Mortier-Barrière I, Granadel C, Polard P, Martin B, Claverys JP.

PLoS Genet. 2015 Jan 8;11(1):e1004934. doi: 10.1371/journal.pgen.1004934. eCollection 2015 Jan.


Interplay of the serine/threonine-kinase StkP and the paralogs DivIVA and GpsB in pneumococcal cell elongation and division.

Fleurie A, Manuse S, Zhao C, Campo N, Cluzel C, Lavergne JP, Freton C, Combet C, Guiral S, Soufi B, Macek B, Kuru E, VanNieuwenhze MS, Brun YV, Di Guilmi AM, Claverys JP, Galinier A, Grangeasse C.

PLoS Genet. 2014 Apr 10;10(4):e1004275. doi: 10.1371/journal.pgen.1004275. eCollection 2014 Apr.


Bacterial transformation: distribution, shared mechanisms and divergent control.

Johnston C, Martin B, Fichant G, Polard P, Claverys JP.

Nat Rev Microbiol. 2014 Mar;12(3):181-96. doi: 10.1038/nrmicro3199. Epub 2014 Feb 10. Review.


Streptococcus pneumoniae, le transformiste.

Johnston C, Campo N, Bergé MJ, Polard P, Claverys JP.

Trends Microbiol. 2014 Mar;22(3):113-9. doi: 10.1016/j.tim.2014.01.002. Epub 2014 Feb 5.


The DpnI/DpnII pneumococcal system, defense against foreign attack without compromising genetic exchange.

Johnston C, Polard P, Claverys JP.

Mob Genet Elements. 2013 Jul 1;3(4):e25582. Epub 2013 Jul 8.


Natural genetic transformation generates a population of merodiploids in Streptococcus pneumoniae.

Johnston C, Caymaris S, Zomer A, Bootsma HJ, Prudhomme M, Granadel C, Hermans PW, Polard P, Martin B, Claverys JP.

PLoS Genet. 2013;9(9):e1003819. doi: 10.1371/journal.pgen.1003819. Epub 2013 Sep 26.


Midcell recruitment of the DNA uptake and virulence nuclease, EndA, for pneumococcal transformation.

Bergé MJ, Kamgoué A, Martin B, Polard P, Campo N, Claverys JP.

PLoS Pathog. 2013;9(9):e1003596. doi: 10.1371/journal.ppat.1003596. Epub 2013 Sep 5.


Postreplication targeting of transformants by bacterial immune systems?

Johnston C, Martin B, Polard P, Claverys JP.

Trends Microbiol. 2013 Oct;21(10):516-21. doi: 10.1016/j.tim.2013.08.002. Epub 2013 Sep 8.


A type IV pilus mediates DNA binding during natural transformation in Streptococcus pneumoniae.

Laurenceau R, Péhau-Arnaudet G, Baconnais S, Gault J, Malosse C, Dujeancourt A, Campo N, Chamot-Rooke J, Le Cam E, Claverys JP, Fronzes R.

PLoS Pathog. 2013;9(6):e1003473. doi: 10.1371/journal.ppat.1003473. Epub 2013 Jun 27.


Programmed protection of foreign DNA from restriction allows pathogenicity island exchange during pneumococcal transformation.

Johnston C, Martin B, Granadel C, Polard P, Claverys JP.

PLoS Pathog. 2013 Feb;9(2):e1003178. doi: 10.1371/journal.ppat.1003178. Epub 2013 Feb 14.


Direct involvement of DprA, the transformation-dedicated RecA loader, in the shut-off of pneumococcal competence.

Mirouze N, Bergé MA, Soulet AL, Mortier-Barrière I, Quentin Y, Fichant G, Granadel C, Noirot-Gros MF, Noirot P, Polard P, Martin B, Claverys JP.

Proc Natl Acad Sci U S A. 2013 Mar 12;110(11):E1035-44. doi: 10.1073/pnas.1219868110. Epub 2013 Feb 25.


ComE/ComE~P interplay dictates activation or extinction status of pneumococcal X-state (competence).

Martin B, Soulet AL, Mirouze N, Prudhomme M, Mortier-Barrière I, Granadel C, Noirot-Gros MF, Noirot P, Polard P, Claverys JP.

Mol Microbiol. 2013 Jan;87(2):394-411. doi: 10.1111/mmi.12104. Epub 2012 Dec 10.


Induction of competence for genetic transformation by antibiotics: convergent evolution of stress responses in distant bacterial species lacking SOS?

Charpentier X, Polard P, Claverys JP.

Curr Opin Microbiol. 2012 Oct;15(5):570-6. doi: 10.1016/j.mib.2012.08.001. Epub 2012 Aug 18. Review.


Structure-function analysis of pneumococcal DprA protein reveals that dimerization is crucial for loading RecA recombinase onto DNA during transformation.

Quevillon-Cheruel S, Campo N, Mirouze N, Mortier-Barrière I, Brooks MA, Boudes M, Durand D, Soulet AL, Lisboa J, Noirot P, Martin B, van Tilbeurgh H, Noirot-Gros MF, Claverys JP, Polard P.

Proc Natl Acad Sci U S A. 2012 Sep 11;109(37):E2466-75. doi: 10.1073/pnas.1205638109. Epub 2012 Aug 17.


Role of the single-stranded DNA-binding protein SsbB in pneumococcal transformation: maintenance of a reservoir for genetic plasticity.

Attaiech L, Olivier A, Mortier-Barrière I, Soulet AL, Granadel C, Martin B, Polard P, Claverys JP.

PLoS Genet. 2011 Jun;7(6):e1002156. doi: 10.1371/journal.pgen.1002156. Epub 2011 Jun 30.


The global nutritional regulator CodY is an essential protein in the human pathogen Streptococcus pneumoniae.

Caymaris S, Bootsma HJ, Martin B, Hermans PW, Prudhomme M, Claverys JP.

Mol Microbiol. 2010 Oct;78(2):344-60.


Expression and maintenance of ComD-ComE, the two-component signal-transduction system that controls competence of Streptococcus pneumoniae.

Martin B, Granadel C, Campo N, Hénard V, Prudhomme M, Claverys JP.

Mol Microbiol. 2010 Mar;75(6):1513-28. doi: 10.1111/j.1365-2958.2010.07071.x. Epub 2010 Feb 17.


The genetic transformation machinery: composition, localization, and mechanism.

Claverys JP, Martin B, Polard P.

FEMS Microbiol Rev. 2009 May;33(3):643-56. doi: 10.1111/j.1574-6976.2009.00164.x. Epub 2009 Feb 18. Review.


Transforming DNA uptake gene orthologs do not mediate spontaneous plasmid transformation in Escherichia coli.

Sun D, Zhang X, Wang L, Prudhomme M, Xie Z, Martin B, Claverys JP.

J Bacteriol. 2009 Feb;191(3):713-9. doi: 10.1128/JB.01130-08. Epub 2008 Nov 14.


RadC, a misleading name?

Attaiech L, Granadel C, Claverys JP, Martin B.

J Bacteriol. 2008 Aug;190(16):5729-32. doi: 10.1128/JB.00425-08. Epub 2008 Jun 13.


A key presynaptic role in transformation for a widespread bacterial protein: DprA conveys incoming ssDNA to RecA.

Mortier-Barrière I, Velten M, Dupaigne P, Mirouze N, Piétrement O, McGovern S, Fichant G, Martin B, Noirot P, Le Cam E, Polard P, Claverys JP.

Cell. 2007 Sep 7;130(5):824-36.


Identification of the major protein component of the pneumococcal eclipse complex.

Morrison DA, Mortier-Barrière I, Attaiech L, Claverys JP.

J Bacteriol. 2007 Sep;189(17):6497-500. Epub 2007 Jun 29.


Competence-induced fratricide in streptococci.

Claverys JP, Martin B, Håvarstein LS.

Mol Microbiol. 2007 Jun;64(6):1423-33. Review. Erratum in: Mol Microbiol. 2007 Jul;65(1):230.


Cannibalism and fratricide: mechanisms and raisons d'être.

Claverys JP, Håvarstein LS.

Nat Rev Microbiol. 2007 Mar;5(3):219-29. Review.


The Seventh International Conference on the Genetics of Streptococci, Lactococci, and Enterococci.

Burne RA, Bessen DE, Broadbent JR, Claverys JP.

J Bacteriol. 2007 Feb;189(4):1209-18. Epub 2006 Sep 29. No abstract available. Erratum in: J Bacteriol. 2007 May;189(9):3682.


BOX elements modulate gene expression in Streptococcus pneumoniae: impact on the fine-tuning of competence development.

Knutsen E, Johnsborg O, Quentin Y, Claverys JP, Håvarstein LS.

J Bacteriol. 2006 Dec;188(23):8307-12. Epub 2006 Sep 22.


Antibiotic stress induces genetic transformability in the human pathogen Streptococcus pneumoniae.

Prudhomme M, Attaiech L, Sanchez G, Martin B, Claverys JP.

Science. 2006 Jul 7;313(5783):89-92.


Independent evolution of competence regulatory cascades in streptococci?

Martin B, Quentin Y, Fichant G, Claverys JP.

Trends Microbiol. 2006 Aug;14(8):339-45. Epub 2006 Jul 3. Review.


Induction of competence regulons as a general response to stress in gram-positive bacteria.

Claverys JP, Prudhomme M, Martin B.

Annu Rev Microbiol. 2006;60:451-75. Review.


Construction and evaluation of a chromosomal expression platform (CEP) for ectopic, maltose-driven gene expression in Streptococcus pneumoniae.

Guiral S, Hénard V, Laaberki MH, Granadel C, Prudhomme M, Martin B, Claverys JP.

Microbiology. 2006 Feb;152(Pt 2):343-9.


Inhibition of competence development in Streptococcus pneumoniae by increased basal-level expression of the ComDE two-component regulatory system.

Guiral S, Hénard V, Granadel C, Martin B, Claverys JP.

Microbiology. 2006 Feb;152(Pt 2):323-31.


New insights into the pneumococcal fratricide: relationship to clumping and identification of a novel immunity factor.

Håvarstein LS, Martin B, Johnsborg O, Granadel C, Claverys JP.

Mol Microbiol. 2006 Feb;59(4):1297-307.


Competence-programmed predation of noncompetent cells in the human pathogen Streptococcus pneumoniae: genetic requirements.

Guiral S, Mitchell TJ, Martin B, Claverys JP.

Proc Natl Acad Sci U S A. 2005 Jun 14;102(24):8710-5. Epub 2005 May 31.


Antibacterial activity of a competence-stimulating peptide in experimental sepsis caused by Streptococcus pneumoniae.

Oggioni MR, Iannelli F, Ricci S, Chiavolini D, Parigi R, Trappetti C, Claverys JP, Pozzi G.

Antimicrob Agents Chemother. 2004 Dec;48(12):4725-32.


rexAB mutants in Streptococcus pneumoniae.

Halpern D, Gruss A, Claverys JP, Karoui ME.

Microbiology. 2004 Jul;150(Pt 7):2409-2414. doi: 10.1099/mic.0.27106-0.


The Ami-AliA/AliB permease of Streptococcus pneumoniae is involved in nasopharyngeal colonization but not in invasive disease.

Kerr AR, Adrian PV, Estevão S, de Groot R, Alloing G, Claverys JP, Mitchell TJ, Hermans PW.

Infect Immun. 2004 Jul;72(7):3902-6.


Interconnection of competence, stress and CiaR regulons in Streptococcus pneumoniae: competence triggers stationary phase autolysis of ciaR mutant cells.

Dagkessamanskaia A, Moscoso M, Hénard V, Guiral S, Overweg K, Reuter M, Martin B, Wells J, Claverys JP.

Mol Microbiol. 2004 Feb;51(4):1071-86.


Transformation of Streptococcus pneumoniae relies on DprA- and RecA-dependent protection of incoming DNA single strands.

Bergé M, Mortier-Barrière I, Martin B, Claverys JP.

Mol Microbiol. 2003 Oct;50(2):527-36.


ZmpB, a novel virulence factor of Streptococcus pneumoniae that induces tumor necrosis factor alpha production in the respiratory tract.

Blue CE, Paterson GK, Kerr AR, Bergé M, Claverys JP, Mitchell TJ.

Infect Immun. 2003 Sep;71(9):4925-35.


Bacterial "competence" genes: signatures of active transformation, or only remnants?

Claverys JP, Martin B.

Trends Microbiol. 2003 Apr;11(4):161-5.


Extracellular-peptide control of competence for genetic transformation in Streptococcus pneumoniae.

Claverys JP, Havarstein LS.

Front Biosci. 2002 Aug 1;7:d1798-814. Review.


Uptake of transforming DNA in Gram-positive bacteria: a view from Streptococcus pneumoniae.

Bergé M, Moscoso M, Prudhomme M, Martin B, Claverys JP.

Mol Microbiol. 2002 Jul;45(2):411-21.


Homologous recombination at the border: insertion-deletions and the trapping of foreign DNA in Streptococcus pneumoniae.

Prudhomme M, Libante V, Claverys JP.

Proc Natl Acad Sci U S A. 2002 Feb 19;99(4):2100-5.


Diversity of Tn4001 transposition products: the flanking IS256 elements can form tandem dimers and IS circles.

Prudhomme M, Turlan C, Claverys JP, Chandler M.

J Bacteriol. 2002 Jan;184(2):433-43.


Regulation of Streptococcus pneumoniae clp genes and their role in competence development and stress survival.

Chastanet A, Prudhomme M, Claverys JP, Msadek T.

J Bacteriol. 2001 Dec;183(24):7295-307.


An rpsL cassette, janus, for gene replacement through negative selection in Streptococcus pneumoniae.

Sung CK, Li H, Claverys JP, Morrison DA.

Appl Environ Microbiol. 2001 Nov;67(11):5190-6.

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