In vivo treatment of barley roots with vanadate increases vacuolar H+-translocating ATPase activity of the tonoplast-enriched membrane vesicles and the level of endogenous ABA

Minobu Kasai, Yoko Yamamoto, Hideaki Matsumoto

研究成果査読

12 被引用数 (Scopus)

抄録

Evidence for an increase in the activity of the vacuolar H+-translocating ATPase of barley roots, accompanied by qualitative change, in response to exogenously applied abscisic acid (ABA) has been reported previously [Kasai et al. (1993b) Plant Cell Physiol. 34: 1107]. In the present study, such an increase in the H+-translocating ATPase activity was shown to occur upon treatment of barley roots with vanadate. Furthermore, the level of endogenous ABA in the roots was shown to increase significantly as a result of this treatment. The present observations provide further support for the proposed physiological significance of cellular ABA in the regulation of the vacuolar H+-translocating ATPase activity.

本文言語English
ページ(範囲)291-295
ページ数5
ジャーナルPlant and Cell Physiology
35
2
出版ステータスPublished - 1994
外部発表はい

ASJC Scopus subject areas

  • 生理学
  • 植物科学
  • 細胞生物学

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