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Comparative genomics and transcriptomics of Xanthomonas campestris : Session 3- Physiologie, génétique et génomique des bactéries

Bolot Stéphanie, Roux Brice, Guy Endrick, Denancé Nicolas, Lautier Martine, Lauber Emmanuelle, Jardinaud Marie-Françoise, Koebnik Ralf, Gagnevin Lionel, Poussier Stéphane, Carrère Sébastien, Arlat Mathieu, Noel Laurent D.. 2014. Comparative genomics and transcriptomics of Xanthomonas campestris : Session 3- Physiologie, génétique et génomique des bactéries. In : 11èmes Rencontres Plantes-Bactéries, Aussois, France, 3-7 février 2014. SFP ; INRA ; CNRS ; IRD ; CIRAD. Paris : SFP, Résumé, p. 40. Rencontres plantes-bactéries. 11, Aussois, France, 3 February 2014/7 February 2014.

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Abstract : The Xanthomonas campestris species causes different diseases on a wide range of Brassicas and is composed of at least four pathovars (campestris, incanae. raphani. unnamed). This species encompasses both vascular and non-vascular pathogens. A comparative genomic analysis of X campestris diversity was performed at the intraspecific and intrapathovar levels by sequencing more than 40 strains. Structural genome annotation was performed and benefited from deep sequencing of small and large RNAs. This approach allowed the exact determination of transcriptional start sites and the identification of small noncoding RNAs. We also used RNA sequencing to characterize the type III regulon in several strains and could identify novel type 111 effectomes. Core and variable genomes and type 111 effectomes were determined. These results evidenced an unsuspected genomic diversity in this species. The latest progress in this project will be presented. (Texte intégral)

Classification Agris : H20 - Plant diseases
F30 - Plant genetics and breeding

Auteurs et affiliations

  • Bolot Stéphanie, INRA (FRA)
  • Roux Brice, INRA (FRA)
  • Guy Endrick, INRA (FRA)
  • Denancé Nicolas, INRA (FRA)
  • Lautier Martine, INRA (FRA)
  • Lauber Emmanuelle, INRA (FRA)
  • Jardinaud Marie-Françoise, INRA (FRA)
  • Koebnik Ralf, IRD (FRA)
  • Gagnevin Lionel, CIRAD-BIOS-UMR PVBMT (REU)
  • Poussier Stéphane, INRA (FRA)
  • Carrère Sébastien, INRA (FRA)
  • Arlat Mathieu, Université Toulouse III Paul Sabatier (FRA)
  • Noel Laurent D., INRA (FRA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/572833/)

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