Literature summary for 4.2.2.2 extracted from

Yamazaki, A.; Li, J.; Hutchins, W.C.; Wang, L.; Ma, J.; Ibekwe, A.M.; Yang, C.H.
Commensal effect of pectate lyases secreted from Dickeya dadantii on proliferation of Escherichia coli O157:H7 EDL933 on lettuce leaves (2011), Appl. Environ. Microbiol., 77, 156-162.

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Protein Variants

Protein Variants	Comment	Organism
additional information	construction of mutants, type II secretion system-deficient mutant of Dickeya dadantii 3937, A1919, DELTA ouC, loses the capability to promote the multiplication of EDL933, whereas Ech159, DELTApoS, a stress-responsive sigma-factor RpoS-deficient mutant, increases EDL933 proliferation on lettuce leaves 2fold mor than the wild-type strain. Mutant A1919 is completely deficient in the secretion of pectate lyases, which play a major role in plant tissue maceration	Dickeya dadantii

Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
extracellular	the enzyme is secreted	Dickeya dadantii	-	-

Organism

Organism	UniProt	Comment	Textmining
Dickeya dadantii	-	nine pel genes, pelA to pelE, pelI, pelL, pelX, and pelZ	-
Dickeya dadantii 3937	-	nine pel genes, pelA to pelE, pelI, pelL, pelX, and pelZ	-

Synonyms

Synonyms	Comment	Organism
Pel	-	Dickeya dadantii

Expression

Organism	Comment	Expression
Dickeya dadantii	RpoS downregulates pelD expression of in planta, RpoS negatively regulates pelD promoter activity	down

General Information

General Information	Comment	Organism
malfunction	type II secretion system-deficient mutant of Dickeya dadantii 3937, A1919, DELTA ouC, loses the capability to promote the multiplication of EDL933, whereas Ech159, DELTApoS, a stress-responsive sigma-factor RpoS-deficient mutant, increases EDL933 proliferation on lettuce leaves 2fold mor than the wild-type strain. Mutant A1919 is completely deficient in the secretion of pectate lyases, which play a major role in plant tissue maceration	Dickeya dadantii
additional information	RpoS, the general stress response sigma-factor involved in cell survival in suboptimal conditions, plays a role in EDL933 proliferation by controlling the production of pectate lyases in Dickeya dadantii 3937, e.g. via negative regulation of pelD promoter activity	Dickeya dadantii
physiological function	the influence of the virulence mechanisms of Dickeya dadantii strain 3937, a broad-host-range phytopathogen, on the proliferation of the human pathogen Escherichia coli O157:H7 EDL933 on postharvest lettuce, strain 3937 promotes the multiplication of EDL933, overview	Dickeya dadantii

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Release 2023.1 (January 2023)