ホヤのバナジウム濃縮に携わる特異な細胞，バナドサイトの謎を探る

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タイトル別名
  • Unusual functions of vanadocytes in involved in the accumulation of vanadium in the ascidians.
  • ホヤ ノ バナジウム ノウシュク ニ タズサワル トクイ ナ サイボウ バナド

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抄録

High levels of vanadium corresponding 107 tirnes higher than that in seawater are accumulated in the blood cells of ascidians. Among the about ten types of blood cells, the signet ring cells were revealed to be the true vanadocytes. Vanadium in the vanadocytes was reduced to the +3 oxidation state under pH2. The vanadocytes contained the highest level of sulfate and had H+-ATPases in their vacuoles. These findings suggest the possibility that protons, concentrated by H+-ATPases, might be linked energetically to the accumulation of vanadium

収録刊行物

  • 生物物理

    生物物理 37 (1), 315-320, 1997

    一般社団法人 日本生物物理学会

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