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首页> 外文期刊>Limnology and Oceanography >interactions among Cu~2+, Zn~2+, and Mn~2+ in controlling cellular Mn, Zn, and growth rate in the coastal alga Chlamydomonas
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interactions among Cu~2+, Zn~2+, and Mn~2+ in controlling cellular Mn, Zn, and growth rate in the coastal alga Chlamydomonas

机译:Cu〜2 +,Zn〜2 +和Mn〜2 +之间的相互作用对控制藻类藻类衣藻的细胞锰,锌和生长速率的影响

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摘要

Culture experiments with the green alga Chlamydomonad sp. In metal ion-buffered media revealed antagonistic interactions between toxic metals (Cu and Zn) and nutrient metals (Zn and Mn) in regulating cellular Mn and Zn uptake and specific growth rate. High levels of ionic Cu~2+ and Zn~2+ inhibited cellular Mn uptake, and high Cu~2+ inhibited Zn uptake rates. These effects were associated with growth rate inhibition at combined conditions of high Zn~2+ and low Mn~2+ and at high Cu~2+ and low Zn~2+.
机译:用绿藻衣藻(Chlamydomonad sp。)进行培养实验。在金属离子缓冲介质中显示,有毒金属(铜和锌)与营养金属(锌和锰)之间的拮抗作用可调节细胞对锰和锌的吸收及比生长速率。高水平的离子Cu〜2 +和Zn〜2 +抑制细胞锰的吸收,而高Cu〜2 +抑制锌的吸收速率。这些效应与高Zn〜2 +和低Mn〜2 +以及高Cu〜2 +和低Zn〜2 +的组合条件下的生长速率抑制有关。

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