J Integr Plant Biol. ›› 1994, Vol. 36 ›› Issue (8): -.

• Research Articles •    

Relationship of the Brassinolide Promoted Epicotyl Elongation to Protein and Nucleic Acid Synthesis in Mung Bean Cuttings

Zhu Guang-lian and Zhang Jiang-guo   

Abstract: Relationship of brossinolide promoted epicotyl elongation to protein, RNA, DNA and mRNA synthesis in mung bean cuttings were studied using radioactive precursors and inhibitors (cycloheximide, actinomycine D and 5-fluorouracil) of protein and nucleic acid synthesis. It was proved that epicotyl elongation of mung bean cutting depended on protein and nucleic acid synthesis, especially mRNA synthesis. This indicates that BR promoted epicotyl elongation was regulated at the level of gene transcription.

Key words: Brassinolide, Mung bean, Epicotyl, Protein, Nucleic acid synthesis inhibitors, Cycloheximide

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