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谷皮菱形藻的耐盐适应性
Authors
刘梅
张宪孔
Publication date
1 January 1992
Publisher
Abstract
本文报道了在水产养殖上有较大经济价值的硅藻代表种类——谷皮菱形藻对盐度的适应性。该藻有较强的耐盐适应性,在含≤1.0mol/L NaCl的培养基中均能生长,其最适生长盐度约为18‰(含0.25 mol/L NaCl的培养基)。在不同盐度下生长的细胞中其主要生化组分含量有不同程度的改变。类胡萝卜素/叶绿素的比值随盐度的增加略有升高,这主要是由于叶绿素含量随盐度增高而降低所致;细胞蛋白质含量与盐度改变无明显关系;但糖类却随盐度提高而成倍增加,表明糖类是谷皮菱形藻适应盐度改变的主要渗透调节物。同时,在较高盐度
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Institute of Hydrobiology, Chinese Academy Of Sciences
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Last time updated on 15/03/2018