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

Julia Petters | Zendy; Cornelia Göbel | Zendy; Dierk Scheel | Zendy; Sabine Rosahl | Zendy

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

Author(s) -

Julia Petters,

Cornelia Göbel,

Dierk Scheel,

Sabine Rosahl

Publication year - 2002

Publication title -

plant and cell physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.975

H-Index - 152

eISSN - 1471-9053

pISSN - 0032-0781

DOI - 10.1093/pcp/pcf117

Subject(s) - phytophthora infestans , pseudomonas syringae , pathogen , phosphatase , gene , biology , blight , complementary dna , microbiology and biotechnology , acid phosphatase , plant disease resistance , pathogenesis related protein , systemic acquired resistance , gene expression , genetics , biochemistry , botany , enzyme , arabidopsis , mutant

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.

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