Characterization of cDNAs encoding two glycine-rich proteins in chickpea (Cicer arietinum L.): Accumulation in response to fungal infection and other stress factors

Holger Cornels, Yuki Ichinose, Wolfgang Barz

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

In chickpea plants infected with the pathogenic fungus Ascochyta rabiei [Pass.] Labr. several mRNAs for two glycine-rich proteins (GRPs) were identified by differential cDNA screening. The main part of the deduced amino acid sequences of the 14.6 kD GRP1 and the larger GRP2 consists of glycine- rich repetitive elements essentially as found for GRPs in other plants. Tyrosine residues in conserved positions inside these repetitive motifs suggest an involvement of the GRPs in a polymerization process by oxidative cross-linking, i.e. cell wall fortification. Both GRP transcripts are induced by infection with A. rabiei, showing a maximum of expression 5 days post infection. Wounding of leaves and the stress of water treatment (performed as a control) also seem to induce the accumulation of GRP transcripts. (C) 2000 Elsevier Science Ireland Ltd.

Original languageEnglish
Pages (from-to)83-88
Number of pages6
JournalPlant Science
Volume154
Issue number1
DOIs
Publication statusPublished - May 15 2000

Keywords

  • Chickpea
  • Cicer arietinum
  • Fungal infection
  • GRPs
  • Glycine-rich proteins
  • Stress

ASJC Scopus subject areas

  • Genetics
  • Agronomy and Crop Science
  • Plant Science

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