Phytochrome-mediated accumulation of free amino acids in embryonic axes of New York lettuce seeds

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概要

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• Red light given to New York lettuce seeds incubated on a 0.3 M mannitol solution increased the amount of free amino acids in the embryonic axes, far-red light reversed this effect. Germination in response to red light given at various times during imbibition was closely related to the amount of free amino acids accumulated in the axes in response to the red light. The analyses of the free amino acids that accumulated in the axes of seeds incubated on 0.3 M mannitol indicated that the free amino acids that accumulated on red-light irradiation were produced by the degradation of storage protein. This is evidence that red-light-increased germination may be caused by the accumulation of free amino acids in the embryonic axes of New York lettuce seeds.

• 日本植物生理学会の論文

著者

• Takeda Go

  Laboratory Of Applied Biology Faculty Of Living Science Kyoto Prefectural University

関連論文

• Expression Pattern and Gene Structure of Phenylalanine Ammonia-Lyase in Pharbitis nil
• Accumulation of free amino acids in the tips of non-thermodormant embryonic axes accounts for the increase in the growth potential of New York lettuce seeds
• Effects of temperature, red light and homones on accumulation of free amino acids in osmotically growth-inhibited embryonic axes of New York lettuce seeds
• Activation of phosphate metabolism in cotyledons of Pharbitis nil in the early stage of germination as studied by multicompartmental analysis
• Changes revealed by a tracer technique in the amino acid metabolism of thermodormant and non-dormant New York lettuce seeds
• Measurement of growth potential of the embryo in New York lettuce seed under various combinations of temperature, red light and hormones
• Phytochrome-mediated accumulation of free amino acids in embryonic axes of New York lettuce seeds

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