Erwinia carotovora infection enhances the expression of two novel abiotic stress-inducible genes in potato

Anita Sós-Hegedus, Donatas Žvingila, Z. Bánfalvi, Géza Dallmann

Research output: Contribution to journalArticle

Abstract

In this study, cDNAs of two Erwinia carotovora-induced potato genes, designated Solanum tuberosum-Erwinia-induced-1 and 2 (Stei1 and Stei2) were isolated by differential display technique. Stei1 and Stei2 were detected in low copy number in the potato genome and found to encode putative proteins with no significant homology to any genes with known function. Treatment of the leaves with salicylic acid, methyl jasmonate and ethylene elevated neither Stei1 nor Stei2 mRNA levels. However, Stei1 and Stei2 expression were induced not only by E. carotovora but also by infiltration of water in leaves, albeit to a lesser extent In addition, Stei2 was up-regulated by NaCl, wounding, dehydration and abscisic acid. Thus Stei1 and Stei2 define novel genes belonging to the family of those pathogenesis-related genes whose expression can be induced both by biotic and abiotic stresses.

Original languageEnglish
Pages (from-to)435-439
Number of pages5
JournalEuropean Journal of Plant Pathology
Volume110
Issue number4
DOIs
Publication statusPublished - Apr 2004

Fingerprint

Pectobacterium carotovorum
abiotic stress
potatoes
infection
Erwinia
genes
methyl jasmonate
desiccation (plant physiology)
biotic stress
salicylic acid
Solanum tuberosum
infiltration (hydrology)
abscisic acid
leaves
ethylene
pathogenesis
gene expression
genome
proteins
water

Keywords

  • Abscisic acid
  • Dehydration
  • Differential display
  • Pathogenesis-related genes
  • Wounding

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Horticulture
  • Plant Science

Cite this

Erwinia carotovora infection enhances the expression of two novel abiotic stress-inducible genes in potato. / Sós-Hegedus, Anita; Žvingila, Donatas; Bánfalvi, Z.; Dallmann, Géza.

In: European Journal of Plant Pathology, Vol. 110, No. 4, 04.2004, p. 435-439.

Research output: Contribution to journalArticle

Sós-Hegedus, Anita ; Žvingila, Donatas ; Bánfalvi, Z. ; Dallmann, Géza. / Erwinia carotovora infection enhances the expression of two novel abiotic stress-inducible genes in potato. In: European Journal of Plant Pathology. 2004 ; Vol. 110, No. 4. pp. 435-439.
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