Effects of Growth Regulators on the Induction of Anthocyanin Synthesis in Carrot Suspension Cultures

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概要

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• The effects of plant growth regulators were investigated on anthocyanin synthesis induced by removing auxin from carrot suspension cultures. Of the auxins tested, 2,4-D showed the strongest inhibiting effect on anthocyanin synthesis and had the strongest promoting effect on undifferentiated growth. When 2,4-D was added to anthocyanin synthesizing cells, in which cell division had ceased, anthocyanin synthesis was repressed immediately, accumulated anthocyanin disappeared and cell division resumed. All cytokinins examined promoted anthocyanin synthesis in the absence of auxin. Both gibberellic acid (GA_3) and abscisic acid inhibited anthocyanin synthesis in media lacking 2,4-D, though GA_3 showed no effect on cell division. These effects of growth regulators on anthocyanin synthesis are similar to those reported for their effects on embryogenesis [Fujimura and Komamine (1975) Plant Sci. Lett. 5: 359, (1979) Z. Pflanzenphysiol. 95: 13, (1980) Z. Pflanzenphysiol. 99: 1]. The relationship between the induction of anthocyanin synthesis, metabolic differentiation, and embryogenesis are discussed.

• 日本植物生理学会の論文

著者

• Ozeki Yoshihiro

  Department Of Biology College Of Arts And Science The University Of Tokyo

• Ozeki Yoshihiro

  Department Of Botany Faculty Of Science The University Of Tokyo:(present)department Of Biology Colle

• Komamine Atsushi

  Department Of Botany Faculty Of Science The University Of Tokyo:(present)biological Institute Facult

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