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Pb2+对柄海鞘代谢的影响

Keywords: 柄海鞘,代谢,碱性磷酸酶,Na+-K+-ATP酶,SOD,Pb2+

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Abstract:

应用半静态双箱式生物模型,考察Pb2+对柄海鞘代谢的影响.实验结果表明:0.01mg/L的Pb2+可促进柄海鞘的氨排泄,高浓度则使柄海鞘排氨率降低;0.01和0.05mg/L的Pb2+可以提高柄海鞘的清滤率,0.2mg/L则抑制其滤水作用;Pb2+对柄海鞘的氧氮比表现出与浓度相关的抑制作用.Pb2+影响柄海鞘几种代谢酶的活力,对碱性磷酸酶和Na+-K+

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