Effects of strontium-induced stress on marine microalgaePlatymonas subcordiformis (Chlorophyta: Volvocales)

Li Mei; Xie Xitao; Xue Renhao; Liu Zhili

doi:10.1007/BF02842815

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Effects of strontium-induced stress on marine microalgaePlatymonas subcordiformis (Chlorophyta: Volvocales)

Updated：2023-05-16

- Effects of strontium-induced stress on marine microalgaePlatymonas subcordiformis (Chlorophyta: Volvocales)
- Journal of Oceanology and Limnology Vol. 24, Issue 2, Pages: 154-160(2006)
- Affiliations：
  
  1. School of Environment Nanjing University
  2. School of Life Sciences Nanjing University
- Author bio：
- Funds：
- DOI：10.1007/BF02842815
  CLC：
- Online First：31 January 2013，
  
  Published：2006
- Accepted：
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Mei, L., Xitao, X., Renhao, X. et al. Effects of strontium-induced stress on marine microalgaePlatymonas subcordiformis (Chlorophyta: Volvocales)., Chin. J. Ocean. Limnol. 24, 154–160 (2006). https://doi.org/10.1007/BF02842815
DOI：

Mei, L., Xitao, X., Renhao, X. et al. Effects of strontium-induced stress on marine microalgaePlatymonas subcordiformis (Chlorophyta: Volvocales)., Chin. J. Ocean. Limnol. 24, 154–160 (2006). https://doi.org/10.1007/BF02842815 DOI：

摘要

Abstract

Strontium-induced stress in growth and chlorophyll contents ofPlatymonas subcordiformis was investigated under laboratory condition. The results showed that strontium exposure had little influences in general on growth and chlorophyll contents of the algae except for very high Sr concentrations. The maximum biosorption capacity of strontium ranged from 69.62 to 269.18 mg Sr2+/g dry weight. The algal biomass exhibited high uptake capacity of strontium. Total superoxide dismutase (SOD) activity and the content of lipid peroxidation products malondialdehyde (MDA) were significantly different in different treatments. SOD activity reached the highest level at 0.09 mmol/L that was about 55.8% higher than that in the control. The MDA content increased significantly at 0.36 mmol/L

which was 2.15 times higher than that in the control

indicating a state of oxidative stress. With the increase of strontium concentration

the amount of fatty acids decreased.

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