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J Bacteriol. 1989 Jul;171(7):4085-7.

Regulation and role in pathogenicity of Erwinia chrysanthemi 3937 pectin methylesterase.

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  • 1Laboratoire de Pathologie Végétale, Institut National Agronomique, Paris, France.

Abstract

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.

PMID:
2738029
[PubMed - indexed for MEDLINE]
PMCID:
PMC210169
Free PMC Article
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