The role of secretion systems and small molecules in soft-rot enterobacteriaceae pathogenicity

Amy Charkowski, Carlos Blanco, Guy Condemine, Dominique Expert, Thierry Franza, Christopher Hayes, Nicole Hugouvieux-Cotte-Pattat, Emilia López Solanilla, David Low, Lucy Moleleki, Minna Pirhonen, Andrew Pitman, Nicole Perna, Sylvie Reverchon, Pablo Rodríguez Palenzuela, Michael San Francisco, Ian Toth, Shinji Tsuyumu, Jacquie Van Der Waals, Jan Van Der WolfFrédérique Van Gijsegem, Ching Hong Yang, Iris Yedidia

Research output: Contribution to journalReview articlepeer-review

131 Scopus citations


Soft-rot Enterobacteriaceae (SRE), which belong to the genera Pectobacterium and Dickeya, consist mainly of broad host-range pathogens that cause wilt, rot, and blackleg diseases on a wide range of plants. They are found in plants, insects, soil, and water in agricultural regions worldwide. SRE encode all six known protein secretion systems present in gram-negative bacteria, and these systems are involved in attacking host plants and competing bacteria. They also produce and detect multiple types of small molecules to coordinate pathogenesis, modify the plant environment, attack competing microbes, and perhaps to attract insect vectors. This review integrates new information about the role protein secretion and detection and production of ions and small molecules play in soft-rot pathogenicity.

Original languageEnglish
Pages (from-to)425-449
Number of pages25
JournalAnnual Review of Phytopathology
StatePublished - Sep 2012


  • Dickeya
  • Pectobacterium
  • Type II secretion system
  • plant cell wall-degrading enzymes
  • quorum sensing
  • type III secretion system


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