Journal Article

A Pathogen-Responsive cDNA from Potato Encodes a Protein with Homology to a Phosphate Starvation-Induced Phosphatase

Julia Petters, Cornelia Göbel, Dierk Scheel and Sabine Rosahl

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 43, issue 9, pages 1049-1053
Published in print September 2002 | ISSN: 0032-0781
Published online September 2002 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pcf117
A Pathogen-Responsive cDNA from Potato Encodes a Protein with Homology to a Phosphate Starvation-Induced Phosphatase

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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Infiltration of potato leaves with the phytopathogenic bacteria Pseudomonas syringae pv. maculicola induces local and systemic defense gene expression as well as increased resistance against subsequent pathogen attacks. By cDNA-AFLP a gene was identified that is activated locally in potato leaves in response to bacterial infiltration and after infection with Phytophthora infestans, the causal agent of late blight disease. The encoded protein has high homology to a phosphate starvation-induced acid phosphatase from tomato. Possibly, decreased phosphate availability after pathogen infection acts as a signal for the activation of the potato phosphatase gene.

Keywords: Keywords: Phytophthora infestans — Pseudomonas syringae — Solanum tuberosum.

Journal Article.  2792 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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