Expression of a sweet cherry DREB1/CBF ortholog in Arabidopsis confers salt and freezing tolerance

Hiroyasu Kitashiba, Takako Ishizaka, Kanji Isuzugawa, Kouichi Nishimura, Takashi Suzuki

Research output: Contribution to journalArticlepeer-review

67 Citations (Scopus)

Abstract

Dehydration responsive element binding protein 1 (DREB1)/C-repeat binding factor (CBF) induces the expression of many stress-inducible genes in Arabidopsis. We have previously reported the identification of three DREB1/CBF homologs from sweet cherry (Prunus avium). To identify the function of these homologs, one of the genes, CIG-B, was transformed into Arabidopsis. In one of the transgenic plant lines, the DREB1/CBF target gene cor15a was induced in the absence of stress treatment. The cor15a-overexpressing transgenic plant exhibited mild growth retardation and had greater salt and freezing tolerance than did the wild-type and the transgenic lines in which cor15a was not induced. These results suggest that this sweet cherry DREB1/ CBF homolog has a function similar to that of DREB1/CBF.

Original languageEnglish
Pages (from-to)1171-1176
Number of pages6
JournalJournal of Plant Physiology
Volume161
Issue number10
DOIs
Publication statusPublished - 2004 Oct
Externally publishedYes

Keywords

  • DREB1/CBF
  • Salt and freezing tolerance
  • Sweet cherry

ASJC Scopus subject areas

  • Physiology
  • Agronomy and Crop Science
  • Plant Science

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