Environmental stresses activate a tomato SNF1-related protein kinase 2 homolog, SlSnRK2C

Takashi Yuasa, Yoko Tomikubo, Takashi Yamauchi, Akira Inoue, Mari Iwaya-Inoue

研究成果: ジャーナルへの寄稿記事

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We isolated an SNF1-related kinase 2 homolog (SlSnRK2C) from tomato (Solanum lycopersicum L. cv. Micro-Tom) which has significant similarlity to AtSRK2C (72% amino acid identity). We profiled expression levels and biochemical properties of SlSnRK2C. In contrast to AtSRK2C which phosphorylates histone H1 and is mainly expressed in root chip, SlSnRK2C phosphorylates myelin basic protein but not histone H1 and SlSnRK2C mRNA is expressed in leaves, flowers and fruits but not in roots. Immunoblot by anti-SlSnRK2C-COOH terminus specific antiserum shows that SlSnRK2C is expressed remarkably in developing fruits, and weakly in flowers, mature green fruits and shoots, but marginally in mature red fruits or roots. SlSnRK2C is stimulated strongly by chilling and NaCl stress. These observations suggests that SlSnRK2C is possibly involved in fruit development and stress signaling in response to salt and chiling stress.

元の言語英語
ページ(範囲)401-408
ページ数8
ジャーナルPlant Biotechnology
24
発行部数4
DOI
出版物ステータス出版済み - 1 1 2007

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All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Agronomy and Crop Science
  • Plant Science

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