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宋松泉, 傅家瑞. Ca2+对叶绿体光还原活性的影响及与钙调素的关系[J]. 植物科学学报, 1997, 15(1): 35-38.
引用本文: 宋松泉, 傅家瑞. Ca2+对叶绿体光还原活性的影响及与钙调素的关系[J]. 植物科学学报, 1997, 15(1): 35-38.
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Song Songquan, Fu Jiarui. EFFECTS OF Ca2+ ON PHOTOREDUCTION ACTIVITY OF ISOLATED CHLOROPLASTS AND RELATIONS TO CALMODULIN[J]. Plant Science Journal, 1997, 15(1): 35-38.
Citation: Song Songquan, Fu Jiarui. EFFECTS OF Ca2+ ON PHOTOREDUCTION ACTIVITY OF ISOLATED CHLOROPLASTS AND RELATIONS TO CALMODULIN[J]. Plant Science Journal, 1997, 15(1): 35-38.
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Ca2+对叶绿体光还原活性的影响及与钙调素的关系

EFFECTS OF Ca2+ ON PHOTOREDUCTION ACTIVITY OF ISOLATED CHLOROPLASTS AND RELATIONS TO CALMODULIN

    摘要
  • 摘要: 外加Ca2+能有效地提高杂交水稻汕优63离体叶绿体的光还原活性,Ca2+专一性螯合剂乙二醇双乙胺醚四乙酸(EGTA)抑制其活性。钙调素(CaM)抑制剂三氟拉嗪(TFP)、Ca2+通道阻断剂Co2+,以及Zn2+抑制离体叶绿体的光还原活性,外加Ca2+可以部分地减少TFP、Co2+和Zn2+的抑制作用。叶绿体的光还原活性与Ca2+和CaM密切相关。

     

    Abstract: Photoreduction activities of isolated chloroplasts of hybrid rice cv.Shangyou 63 could be effectively increased by additional Ca2+,and inhibited by ethyleneglycol-bis(β-aminoethyl ether)-N, N, N, N-tetraacetic acid (EGTA, a specific Ca2+ chelator ).Trifluoperazine (TFP,a calmodulin inhibitor), Co2+ (a calcium channel blocker),and Zn2+ inhibited photoreduction activities of isolated chloroplasts,and which were partially decreased by the Ca2+.Photoreduction activity of chloroplasts was close related to Ca2+ andcalmodulin.

     

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