Regulation and role in pathogenicity of Erwinia chrysanthemi 3937 pectin methylesterase.
The gene pem, encoding the pectin methylesterase (PME) of Erwinia chrysanthemi 3937, was cloned and mutagenized by mini-Mu transposable elements. A second gene, pecY, which could act as a negative regulator of PME was found 5' to the pem gene. A PME-E. chrysanthemi derivative inoculate onto Saintpaulia plants was shown to be clearly noninvasive, demonstrating the important role of this enzyme in soft rot disease.
Boccara
M
M
Laboratoire de Pathologie Végétale, Institut National Agronomique, Paris, France.
Chatain
V
V
D002265:Carboxylic Ester Hydrolases / Q000235:genetics / Q000502:physiology*; D004885:Erwinia / Q000235:genetics / Q000472:pathogenicity* / Q000502:physiology; D005786:Gene Expression Regulation; D005798:Genes, Bacterial; D010935:Plant Diseases; D014774:Virulence
D002265:Carboxylic Ester Hydrolases; C022323:pectinesterase