Ｃ３，Ｃ４とＣＡＭ植物における過酸化水素含量と抗酸化酵素活性の差異

DOI NDLデジタルコレクション 日本農学文献記事索引 Web Site Web Site 被引用文献10件 参考文献32件

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タイトル別名
  • Hydrogen Peroxide Contents and Activities of Antioxidative Enzymes among C3, C4 and CAM Plants.
  • C3 C4 ト CAM ショクブツ ニ オケル カサンカスイソ ガンリョウ ト コウサンカ コウソ カッセイ ノ サイ

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Leaves of nine, seven and nine species, respectively, of C3, C4 and CAM plants, under usual growing conditions, were collected to determine H2O2 content and the activities of oxygen-scavenging enzymes. H2O2 content in leaves of C4 plants was similar to that of C3 plants, whereas that of CAM plants was higher. The superoxide dismutase (SOD), ascorbate peroxidase (APX) and catalase (CAT) activities were higher in C3 plants compared to those of CAM plants. C4 plants exhibited higher APX but lower CAT activities than C3 plants ; however, both activities were higher than those of CAM plants. Our findings indicate that oxygen-scavenging systems in plants, such as those involving H2O2, differ from their photosynthetic capacities.

収録刊行物

  • 園芸学会雑誌

    園芸学会雑誌 70 (6), 747-752, 2001

    一般社団法人　園芸学会

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