Journal of Plant Biotechnology

The Korean Society of Plant Biotechnology (한국식물생명공학회)
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Lycopersicon Eculentum C2H2-type Zinc Finger Protein Induced by Oxidative Stress Especially

  • Seong, Eun-Soo (School of Bioscience and Biotechnology, Kangwon National University) ;
  • Lee, Ji-Yeon (School of Bioscience and Biotechnology, Kangwon National University) ;
  • Yu, Chang-Yeon (Bioherb Research Institute, Kangwon National University) ;
  • Yang, Deok-Chun (Department of Oriental Medicinal Materials and Processing, Kyung Hee University) ;
  • Eom, Seok-Hyun (School of Bioscience and Biotechnology, Kangwon National University) ;
  • Cho, Dong-Ha (School of Bioscience and Biotechnology, Kangwon National University)
  • Published : 2007.09.29
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Abstract

A tomato zinc-finger protein gene, LeZFP1, encoding the Cys2/His2-type zinc-finger transcription factor was searched from cDNA microarray analysis of gene expression following induction of the overexpressed tomato transgenic plants showing resistance for pathogen and abiotic stresses. The full-length cDNA of LeZFP1 encoded a protein of 261 amino acid residues. Analysis of the deduced amino acid sequence of LeZFP1 revealed that it shares high sequence identity with pepper CAZFP1 (81% identity). We found that single copy of LeZFP1 gene is present in the tomato genome through southern blot analysis. The LeZFP1 transcripts were constitutively expressed in the tomato mature and young leaves, but were detectable weakly in the flower, stem and root. The LeZFP1 transcripts were significantly reduced in treated leaf tissues with NaCl and mannitol. The LeZFP1 gene was induced by oxidative stress especially. Our results indicated that LeZFP1 may play a role function involved in oxidative stress signaling pathways.

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References

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