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- Title
The SPI-1-like Type III secretion system: more roles than you think.
- Authors
Egan, Frank; Barret, Matthieu; O'Gara, Fergal
- Abstract
The type III secretion system (T3SS) is a protein delivery system which is involved in a wide spectrum of interactions, from mutualism to pathogenesis, between Gram negative bacteria and various eukaryotes, including plants, fungi, protozoa and mammals. Various phylogenetic families of the T3SS have been described, including the Salmonella Pathogenicity Island 1 family (SPI-1). The SPI-1 T3SS was initially associated with the virulence of enteric pathogens, but is actually found in a diverse array of bacterial species, where it can play roles in processes as different as symbiotic interactions with insects and colonization of plants. We review the multiple roles of the SPI-1 T3SS and discuss both how these discoveries are changing our perception of the SPI-1 family and what impacts this has on our understanding of the specialization of the T3SS in general.
- Subjects
PLANT secretion; PATHOGENIC microorganisms; PROTOZOA; EUKARYOTES; GRAM-negative bacteria
- Publication
Frontiers in Plant Science, 2014, Vol 5, p1
- ISSN
1664-462X
- Publication type
Article
- DOI
10.3389/fpls.2014.00034