Dormancy in Dioscorea : Sprouting promotion by inhibitors of protein synthesis in bulbils and rhizomes

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概要

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• The sprouting of immature and half-dormant mature bulbils and rhizomes in some species of Dioscorea was promoted by treatment with inhibitors of protein synthesis, although the sprouting of completely awake mature bulbils was inhibited. Gibberellic acid (GA_3) inhibition of the sprouting was relieved by cycloheximide and some base and amino acid analogues. Polyphenol oxidase activity in the bulbils decreased after incubation with the protein-synthesis inhibitors. Possible involvement of protein synthesis in inducing dormancy of Dioscorea bulbils is discussed.

• 日本植物生理学会の論文
• 1978-04-00

著者

• Okagami Nobuo

  Biological Institute Faculty Of Science Tohoku University

関連論文

• Identification of Endogenous Gibberellins and Abscisic Acid from Dormant Bulbils of Dioscorea japonica (Japanese Yam)
• The nature of gibberellin-induced dormancy in aerial tubers of Begonia evansiana
• Dormancy in Dioscorea : Generality of gibberellin-induced dormancy in asexual dormant organs
• Sprouting Promotion by inhibitors of nucleic acid and protein synthesis in the bulbils of some herbaceous plants
• Differences in the Rates of Metabolism of Various Triacylglycerols during Seed Germination and the Subsequent Growth of Seedlings of Dioscorea tokoro, a Perennial Herb
• Dormancy in Dioscorea: Rapid Germination of Detached Embryos from Dormant Seeds of D. tokoro
• Dormancy in Dioscorea : Range, Duration and Timing of High-Temperature Treatment in Germination Inhibition of D. tokoro Seeds
• Dormancy in Dioscorea : Sprouting promotion by inhibitors of protein synthesis in bulbils and rhizomes

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