Polyamine Biosynthetic Enzymes in Chlorella : Characterization of Ornithine and Arginine Decarboxylase

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概要

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• In a Chlorella culture grown asynchronously under autotrophic conditions, two biosynthetic enzymes of putrescine-ornithine decarboxylase (ODC) and arginine decarboxylase (ADC)-were detected. Both enzymes require pyridoxal phosphate and dithiothreitol for their activity but differ in their optimal pH, the ionic strength of their buffer, temperature of inactivation, and K_m. In addition, L-canaline was found to inhibit the activity of ODC but not that of ADC. During the logarithmic phase of growth, ODC activity increased sharply, then decreased before the onset of the stationary phase. ADC activity changed only slightly during growth.

• 日本植物生理学会の論文

著者

• Mizrahi Yosef

  Institutes For Applied Research And Department Of Biology Ben-gurion University Of The Negev

• Cohen Ephraim

  Institutes for Applied Research and Department of Biology, Ben-Gurion University of the Negev

• Arad Shoshana

  Institutes for Applied Research and Department of Biology, Ben-Gurion University of the Negev

• Heimer Yair

  Nuclear Research Center-Negev

• Cohen Ephraim

  Institutes For Applied Research And Department Of Biology Ben-gurion University Of The Negev

• Arad Shoshana

  Institutes For Applied Research And Department Of Biology Ben-gurion University Of The Negev

関連論文

• Polyamine Biosynthetic Enzymes in Chlorella : Characterization of Ornithine and Arginine Decarboxylase

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