Toxins and Secretion Systems of Photorhabdus luminescens
AbstractPhotorhabdus luminescens is a nematode-symbiotic, gram negative, bioluminescent bacterium, belonging to the family of Enterobacteriaceae.Recent studies show the importance of this bacterium as an alternative source of insecticides, as well as an emerging human pathogen. Various toxins have been identified and characterized in this bacterium. These toxins are classified into four major groups: the toxin complexes (Tcs), the Photorhabdus insect related (Pir) proteins, the “makes caterpillars floppy” (Mcf) toxins and the Photorhabdus virulence cassettes (PVC); the mechanisms however of toxin secretion are not fully elucidated. Using bioinformatics analysis and comparison against the components of known secretion systems, multiple copies of components of all known secretion systems, except the ones composing a type IV secretion system, were identified throughout the entire genome of the bacterium. This indicates that Photorhabdus luminescens has all the necessary means for the secretion of virulence factors, thus it is capable of establishing a microbial infection.
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Rodou, A.; Ankrah, D.O.; Stathopoulos, C. Toxins and Secretion Systems of Photorhabdus luminescens. Toxins 2010, 2, 1250-1264.
Rodou A, Ankrah DO, Stathopoulos C. Toxins and Secretion Systems of Photorhabdus luminescens. Toxins. 2010; 2(6):1250-1264.Chicago/Turabian Style
Rodou, Athina; Ankrah, Dennis O.; Stathopoulos, Christos. 2010. "Toxins and Secretion Systems of Photorhabdus luminescens." Toxins 2, no. 6: 1250-1264.