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Glycine, Serine and Threonine Metabolism in E. carotovora

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E. carotovora (Erwinia carotovora) is a species of plant pathogenic, Gram-negative, facultatively anaerobic, rod-shaped bacteria which gets its name from carrots, but it affects many other vegetables, including potatoes, cucumbers, onions, tomatoes, lettuce and even some ornamental plants like Iris. The bacterial family Enterobacteriaceae is notable for its well studied human pathogens, including Salmonella, Yersinia, Shigella, and Escherichia spp. However, it also contains several plant pathogens. Erwinia carotovora subsp. atroseptica (Eca) strain SCRI1043 is the causative agent of Soft rot and Blackleg potato diseases (Ref.1). Gram-negative bacteria employ a type of conserved signaling called Quorum Sensing. Quorum Sensing regulates as a switch controlling metabolic processes including the Glycine, Serine and Threonine metabolism. Among a number of different classes of Quorum [...]


1.Characterization of atypical Erwinia carotovora strains causing blackleg of potato in Brazil.
Duarte V, de Boer SH, Ward LJ, de Oliveira AM.
J. Appl. Microbiol. 2004;96(3):535-45.
2.Quorum sensing in the plant pathogen Erwinia carotovora subsp. carotovora: the role of expR(Ecc).
Andersson RA, Eriksson AR, Heikinheimo R, Mae A, Pirhonen M, Koiv V, Hyytiainen H, Tuikkala A, Palva ET.
Mol. Plant Microbe Interact. 2000 Apr;13(4):384-93.
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