EFFECT OF CHROMATIC LIGHTS ON PHYCOBILIN FORMATION IN A BLUE-GREEN ALGA,TOLYPOTHRIX TENUIS

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概要

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• 1. The formation of phycobilin pigments in a blue-green alga Tolypothrix tenuis was investigated with special reference to the effects of preillumination with colored lights. 2. It was discovered that the algal cells are capable of forming phycobilin pigments in the dark, if they have been previously illuminated for several hours in the presence of CO_2. 3. The color of light applied in the later period of preillumination (chromatic illumination) was found to affect the ratio of phycoerythrin to phycocyanin formed in the subsequent dark period. A green light accelerates the dark-formation of phycoerythrin, a red light that of phycocyanin, and the two lights counteracting with each other in their effects. 4. These directive effects of the " chromatic illumination" can be accomplished within a very short period, for Instance In 3 minutes if it is preceded by sufficient " preillumination " with an incancescent or day light fluorescent light. The reactions occurring during the period of chromatic illumination does not require the presence of CO_2 and the aerobic condition. 5. The alga can be grown heterotrophically when supplied with casamino acids and glucose. Under such a condition the alga forms phycocyanin together with chlorophyll and carotenoids, but not phycoerythrin. 6. On the basis of the results obtained, a tentative scheme for the biosynthesis of phycobilin pigments in the alga was proposed, assuming the light-induced formation of unknown precursors which are converted into phycocyanin and phycoerythrin in the subsequent dark period.

• 日本植物生理学会の論文

著者

• Hattori Akihiko

  Institule Of Applied Microbiology University Of Tokyo

• Fujita Yoshihiko

  Institute Of Applied Microbiology University Of Tokyo

• Fujita Yoshihiko

  Institulte Of Applied Microbiology University Of Tokyo

関連論文

• HYDROGENASE ACTIVITY OF CELL-FREE PREPARATION OBTAINED FROM THE BLUE-GREEN ALGA, ANABAENA CYLINDRICA
• FORMATION OF PHYCOERYTHRIN IN PRE-ILLUMINATED CELLS OF TOLYPOTHRIX TENUIS WITH SPECIAL REFERENCE TO NITROGEN METABOLISM
• COMPARATIVE STUDIES OF PHOTOCHEMICAL OXIDATION-REDUCTION REACTIONS IN LAMELLAR FRAGMENTS OF VARIOUS ALGAE AND SPINACH
• ADAPTIVE FORMATION OF NITRATE REDUCING SYSTEM IN ANABAENA CYLINDRICA
• PHOTOCHEMICAL INTERCONVERSION BETWEEN PRECURSORS OF PHYCOBILIN CHROMOPROTEIDS IN TOLYPOTHRIX TENUIS
• PHOTOCHEMICAL ACTIVITIES OF SONICATED LAMELLAE OF SPINACH CHLOROPLASTS WITH SPECIAL REFERENCE TO THE ACTION OF CRS (CYTOCHROME C REDUCING SUBSTANCE)
• REDUCTION OF NITRATE AND NITRITE BY SUBCELLULAR PREPARATIONS OF ANABAENA CYLINDRICA II. REDUCTION OF NITRATE TO NITRITE
• EFFECT OF CHROMATIC LIGHTS ON PHYCOBILIN FORMATION IN A BLUE-GREEN ALGA,TOLYPOTHRIX TENUIS
• STUDIES ON OXALIC ACID OXIDASE IN GREEN LEAVES
• LIGHT-INDUCED REDUCTION OF NITRATE, NITRITE AND HYDROXYLAMINE IN A BLUE-GREEN ALGA, ANABAENA CYLINDRICA

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