Publications

Publications of Calum Johnston

Calum H G Johnston, Rachel Hope, Anne-Lise Soulet, Marie Dewailly, David De Lemos, Patrice Polard.
The RecA-directed recombination pathway of natural transformation initiates at chromosomal replication forks in the pneumococcus
Proceedings of the National Academy of Sciences (PNAS)
2023 Feb
Johnston CHG, Soulet AL, Bergé M, Prudhomme M, De Lemos D, Polard P..
The alternative sigma factor σX mediates competence shut-off at the cell pole in Streptococcus pneumoniae
eLife
2020 Nov
De Ste Croix M, Chen K, Vacca I, Manso A, Johnston C, Polard P, Kwun M, Bentley S, Croucher N, Bayliss C, Haigh R, Oggioni M..
Recombination of the Phase-Variable spnIII Locus Is Independent of All Known Pneumococcal Site-Specific Recombinases.
Journal of Bacteriology
2019 Jul
Johnston, C. Mortier-Barriere, I., Khemici, V. Polard, P..
Fine-tuning cellular levels of DprA ensures transformant fitness in the human pathogen Streptococcus pneumoniae.
Molecular Microbiology
2018 Sep
Johnston C, Hauser C, Hermans PW, Martin B, Polard P, Bootsma HJ, Claverys JP..
Fine-tuning of choline metabolism is important for pneumococcal colonization.
Molecular Microbiology
2016 Jun
Johnston C, Bootsma HJ, Aldridge C, Manuse S, Gisch N, Schwudke D, Hermans PW, Grangeasse C, Polard P, Vollmer W, Claverys JP..
Co-Inactivation of GlnR and CodY Regulators Impacts Pneumococcal Cell Wall Physiology.
PLoS One
2015 Apr
Johnston C, Mortier-Barrière I, Granadel C, Polard P, Martin B, Claverys JP..
RecFOR is not required for pneumococcal transformation but together with XerS for resolution of chromosome dimers frequently formed in the process.
PLoS Genetics
2015 Jan
Johnston C, Martin B, Fichant G, Polard P, Claverys JP..
Bacterial transformation: distribution, shared mechanisms and divergent control.
Nature Reviews Microbiology
2014 Mar
Johnston C, Campo N, Bergé MJ, Polard P, Claverys JP. .
Streptococcus pneumoniae, le transformiste.
Trends in Microbiology
2014 Mar
2014 Jan Johnston, C., Martin, B., Fichant, G., Polard, P. and Claverys, J.P. (2014). Bacterial transformation: distribution, shared mechanisms and divergent control. Nat Rev Microbiol. 12(3):181-96.
Johnston C, Martin B, Polard P, Claverys JP..
Postreplication targeting of transformants by bacterial immune systems?
Trends in Microbiology
2013 Oct
Johnston C, Caymaris S, Zomer A, Bootsma HJ, Prudhomme M, Granadel C, Hermans PW, Polard P, Martin B, Claverys JP..
Natural genetic transformation generates a population of merodiploids in Streptococcus pneumoniae.
PLoS Genetics
2013 Sep
Johnston C, Polard P, Claverys JP..
The DpnI/DpnII pneumococcal system, defense against foreign attack without compromising genetic exchange.
Mobile Genetic Elements
2013 Jul
Johnston C, Martin B, Granadel C, Polard P, Claverys JP. .
Programmed protection of foreign DNA from restriction allows pathogenicity island exchange during pneumococcal transformation.
PLoS Pathogens
2013 Feb

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