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4′-Alkoxy derivatives of abscisic acid: a promising new probe for mechanisms of abscisic acid perceptions

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Abstract

The preparation of new compounds for exploring the molecular andbiochemical mechanisms of abscisic acid signal perception is described. The4′-carbonyl group of abscisic acid was replaced with either benzyloxy orn-octyloxy groups. Both modified products possessedABA-like activity in bioassays using barley aleurone protoplasts. The benzyloxyderivative was active in dehydrin induction tests, but not in inhibition ofα-amylase induction tests. The difference in the activity of this chemical inthe two assay systems suggests that the perception system for the inhibition ofamylase induction systems differs from that of dehydrin induction.

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Authors and Affiliations

  1. RIKEN, 2-1 Hirosawa, Wako, 351-0198, Japan (

    Tadao Asami, Yong Ki Min, Nobutaka Kitahata & Shigeo Yoshida

  2. Graduate School of Science and Engineering, Saitama University, Department of Biological and Environmental Sciences, Shimo-Okubo 255, Saitama, 338-8570, Japan

    Sun Young Han & Keimei Oh

Authors
  1. Tadao Asami
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  2. Yong Ki Min
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  3. Sun Young Han
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  4. Nobutaka Kitahata
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  5. Keimei Oh
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  6. Noboru Murofushi
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  7. Shigeo Yoshida
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Correspondence to Tadao Asami.

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Asami, T., Min, Y.K., Han, S.Y. et al. 4′-Alkoxy derivatives of abscisic acid: a promising new probe for mechanisms of abscisic acid perceptions. Plant Growth Regulation 38, 237–241 (2002). https://doi.org/10.1023/A:1021537010643

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  • DOI: https://doi.org/10.1023/A:1021537010643

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