Calum Johnston

Publications

Pré-publication, Document de travail (5)

A tripartite protein complex promotes DNA transport during natural transformation in firmicutes Marie Dewailly,Yoann Fauconnet,Cécile Ducrot,Anne-Lise Soulet,Nathalie Campoet al. 2025 Pré-publication, Document de travail hal-05266442v1
Competence induction of homologous recombination genes protects pneumococcal cells from genotoxic stress. David de Lemos,Anne-Lise Soulet,Violette Morales,Mathieu Berge,Patrice Polardet al. 2025 Pré-publication, Document de travail hal-04730699v1
Pneumococcal competence, a populational health sensor driving multilevel heterogeneity in response to antibiotics. Marc Prudhomme,Calum Johnston,Anne-Lise Soulet,David de Lemos,Nathalie Campoet al. 2023 Pré-publication, Document de travail (preprint/prepublication) hal-04295540v1
The RecA-directed recombination pathway of natural transformation initiates at chromosomal replication forks in &lt;i&gt;Streptococcus pneumoniae&lt;/i&gt; Calum Johnston,Rachel Hope,Anne-Lise Soulet,Marie Dewailly,David de Lemoset al. 2022 Pré-publication, Document de travail (preprint/prepublication) hal-03867047v1
The pneumococcal alternative sigma factor σ X mediates competence shut-off at the cell pole Calum Johnston,Anne-Lise Soulet,Matthieu Berge,Marc Prudhomme,David de Lemoset al. 2020 Pré-publication, Document de travail hal-03031117v1

Article dans une revue (19)

A tripartite protein complex promotes DNA transport during natural transformation in Firmicutes Marie Dewailly,Yoann Fauconnet,Cécile Ducrot,Anne-Lise Soulet,Nathalie Campoet al. Proceedings of the National Academy of Sciences of the United States of America, 2025, 122 (47), pp.e2511180122. ⟨10.1073/pnas.25111801221of12⟩ Article dans une revue hal-05380279v1
Competence induction of homologous recombination genes protects pneumococcal cells from genotoxic stress David de Lemos,Anne-Lise Soulet,Violette Morales,Mathieu Berge,Patrice Polardet al. mBio, 2024, 16, ⟨10.1128/mbio.03142-24⟩ Article dans une revue hal-05266409v1
Pneumococcal competence is a populational health sensor driving multilevel heterogeneity in response to antibiotics Marc Prudhomme,Calum H G Johnston,Anne-Lise Soulet,Anne Boyeldieu,David de Lemoset al. Nature Communications, 2024, 15 (1), pp.5625. ⟨10.1038/s41467-024-49853-2⟩ Article dans une revue hal-04730683v1
The RecA-directed recombination pathway of natural transformation initiates at chromosomal replication forks in the pneumococcus Calum H G Johnston,Rachel Hope,Anne-Lise Soulet,Marie Dewailly,David de Lemoset al. Proceedings of the National Academy of Sciences of the United States of America, 2023, 120 (8), pp.e2213867120. ⟨10.1073/pnas.2213867120⟩ Article dans une revue hal-04044806v1
The alternative sigma factor σX mediates competence shut-off at the cell pole in Streptococcus pneumoniae Calum Hg Johnston,Anne-Lise Soulet,Mathieu Bergé,Marc Prudhomme,David de Lemoset al. eLife, 2020, 9, pp.e62907. ⟨10.7554/elife.62907⟩ Article dans une revue hal-03411156v1
Recombination of the Phase-Variable spnIII Locus Is Independent of All Known Pneumococcal Site-Specific Recombinases M. de Ste Croix,K y Chen,I Vacca,A. S. Manso,Calum Johnstonet al. Journal of Bacteriology, In press, 201 (15), pp.e00233-19. ⟨10.1128/JB.00233-19⟩ Article dans une revue hal-02367986v1
Recombination of the Phase-Variable spnIII Locus Is Independent of All Known Pneumococcal Site-Specific Recombinases M de Ste Croix,K y Chen,I Vacca,A S Manso,P Polardet al. Journal of Bacteriology, 2019, 201 (15), pp.e00233. ⟨10.1128/jb.00233-19⟩ Article dans une revue hal-03031130v1
Fine-tuning cellular levels of DprA ensures transformant fitness in the human pathogen Streptococcus pneumoniae. Calum Johnston,Isabelle Mortier-Barrière,Vanessa Khemici,Patrice P. Polard Molecular Microbiology, 2018, 109 (5), pp.663-675. ⟨10.1111/mmi.14068⟩ Article dans une revue hal-02367975v1
Streptococcus pneumoniae, le transformiste. Calum Johnston,N. Campo,Berge M.,P. Polard,J.P. Claverys Trends in Microbiology, 2014, 22, pp.113-119 Article dans une revue hal-01117721v1
Streptococcus pneumoniae, le transformiste Calum Johnston,Nathalie N. Campo,Mathieu Bergé,Patrice P. Polard,Jean-Pierre Claverys Trends in Microbiology, 2014, 22 (3), pp.113-119. ⟨10.1016/j.tim.2014.01.002⟩ Article dans une revue istex hal-02370123v1
Bacterial transformation: distribution, shared mechanisms and divergent control. Calum Johnston,B. Martin,G. Fichant,P. Polard,J.P. Claverys Nature Reviews Microbiology, 2014, 12, pp.181-196 Article dans une revue hal-01117850v1
The DpnI/DpnII pneumococcal system, defense against foreign attack without compromising genetic exchange Calum Johnston,P. Polard,J.P. Claverys Mobile Genetic Elements, 2013, 3, pp.e25582 Article dans une revue hal-00946759v1
Investigating the role of pneumococcal neuraminidase A activity in isolates from pneumococcal haemolytic uraemic syndrome Andrew Smith,Calum Johnston,Donald Inverarity,Mary Slack,Gavin K. Patersonet al. Journal of Medical Microbiology, 2013, 62, pp.1735 - 1742. ⟨10.1099/jmm.0.063479-0⟩ Article dans une revue hal-05266372v1
Postreplication targeting of transformants by bacterial immune systems? Calum Johnston,B. Martin,P. Polard,J.P. Claverys Trends in Microbiology, 2013, 21, pp.516-521 Article dans une revue hal-00946765v1
Programmed protection of foreign DNA from restriction allows pathogenicity island exchange during pneumococcal transformation. Calum Johnston,B. Martin,Chantal Granadel,P. Polard,J.P. Claverys PLoS Pathogens, 2013, 9 (2), pp.e1003178. ⟨10.1371/journal.ppat.1003178⟩ Article dans une revue hal-00946761v1
Natural genetic transformation generates a population of merodiploids in Streptococcus pneumoniae Calum Johnston,S. Caymaris,A. Zomer,H.J. Bootsma,M. Prudhommeet al. PLoS Genetics, 2013, 9 (9), pp.e1003819. ⟨10.1371/journal.pgen.1003819⟩ Article dans une revue hal-00946746v1
Detection of Large Numbers of Pneumococcal Virulence Genes in Streptococci of the Mitis Group Calum Johnston,Jason Hinds,Andrew Smith,Mark van der Linden,Johan van Eldereet al. Journal of Clinical Microbiology, 2010, 48, pp.2762 - 2769. ⟨10.1128/jcm.01746-09⟩ Article dans une revue hal-05266329v1
Presence of Nonhemolytic Pneumolysin in Serotypes of Streptococcus pneumoniae Associated with Disease Outbreaks Johanna M C Jefferies,Calum H G Johnston,Lea‐ann S Kirkham,Graeme J M Cowan,Kirsty S Rosset al. Journal of Infectious Diseases, 2007, 196, pp.936 - 944. ⟨10.1086/520091⟩ Article dans une revue hal-05266305v1
Identification of a Secreted Cholesterol-Dependent Cytolysin (Mitilysin) from &lt;i&gt;Streptococcus mitis&lt;/i&gt; Johanna Jefferies,Leena Nieminen,Lea-Ann Kirkham,Calum Johnston,Andrew Smithet al. Journal of Bacteriology, 2006, 189, pp.627 - 632. ⟨10.1128/jb.01092-06⟩ Article dans une revue hal-05266339v1