International Journal of
Plant Physiology and Biochemistry

  • Abbreviation: Int. J. Plant Physiol. Biochem.
  • Language: English
  • ISSN: 2141-2162
  • DOI: 10.5897/IJPPB
  • Start Year: 2009
  • Published Articles: 113

Full Length Research Paper

Induction of a C-repeat binding factor gene by calcium to resist low temperature stress in rice

Gopal Chowdhary and Chanakya Nath Kundu*
KIIT School of Biotechnology, KIIT University, Campus-11, Patia, Bhubaneswar, Odisha, 751024, India.
Email: [email protected]

  •  Accepted: 27 June 2012
  •  Published: 31 October 2012

Abstract

Adaptation to stress is an important phenomenon in plants. C–repeat binding factor (CBF), an Apetela 2 domain transcriptional activator, helps the plant in combating cold stress. Here, we cloned and purified a CBF family gene (OsDREB1B) from Oryza sativa. This gene (OsDREB1B) is induced by calcium in absence of cold. The bioinformatics analysis reveals that the induction of OsDREB1B is probably mediated through an EF hand calcium binding protein. This result establishes a link between rise in calcium and CBF induction in cold acclimation.

 

Key words: C–repeat binding factor (CBF), abiotic stress, calcium, CBF regulon.

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