Physiological and developmental effects of colchicine

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概要

• 論文の詳細を見る

• Colchicine has been a very useful diagnostic tool to determine if a particular developmental process requires cell division or microtubules; however, it produces certain side effects which may limit its usefulness. Low concentrations depolarize cell enlargement and higher concentrations actually inhibit cell enlargement; the threshold concentration varies depending on the tissue. 0.2% (w/w) inhibits solute uptake and respiration in corn seedling roots. Higher concentrations also inhibit DNA and ethylene synthesis. Although ethylene and colchicine cause a similar swelling in the elongation zone of roots, colchicine does not promote ethylene synthesis and may even inhibit. In addition, the ethylene antagonist. CO_2, does not prevent the depolarization of cell enlargement in corn roots. Thus colchicine induction of swelling in corn roots is not mediated by ethylene.

• 日本植物生理学会の論文

著者

• Nooden Larry

  Botany Department University Of Michigan

• Nooden Larry

  Botany Department The University Of Michigan

関連論文

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• Changes in compatible IAA binding in relation to bud development in pea seedlings
• Physiological and developmental effects of colchicine

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