首页> 外文期刊>Russian journal of marine biology >The Growth, Population Size Structure, Physiological Changes, and Ultrastructure of the Microalga Picochlorum maculatum (Chlorophyta) under Sublethal Copper Concentrations
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The Growth, Population Size Structure, Physiological Changes, and Ultrastructure of the Microalga Picochlorum maculatum (Chlorophyta) under Sublethal Copper Concentrations

机译:在亚致铜浓度下,微藻吡酰硫脲微蛋白(叶绿藻)的生长,人口大小结构,生理变化和超微结构

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摘要

This study examines the effect of copper (100 and 200 mu g/L) on the cell number dynamics, cell size and ultrastructure, chlorophyll a fluorescence, mitochondrial membrane potential, and neutral lipid content in the microalga Picochlorum maculatum (Chlorophyta) during a 7-day exposure. The addition of copper led to the inhibition of population growth; the cell size and ultrastructure remained unchanged. The fluorescence of chlorophyll a was lower than in the control throughout the experiment; the mitochondrial membrane potential decreased on the third day and recovered on the seventh day. The neutral lipid content decreased and did not reach the control level at the end of the experiment.
机译:本研究检测铜(100和200μg11)对细胞数动力学,细胞尺寸和超微结构,叶绿素荧光,线粒体膜电位和中性脂质含量在7中的铜(100和200μg11)的影响在7中微藻番茄微蛋白(叶绿藻)中的荧光,线粒体膜电位和中性脂质含量 - 日常曝光。添加铜导致抑制人口生长;细胞尺寸和超微结构保持不变。在整个实验中,叶绿素A的荧光低于控制;线粒体膜电位在第三天减少并在第七天恢复。中性脂质含量降低,并且在实验结束时没有达到控制水平。

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