Response to Copper and Sodium Chloride Excess in Spirulina sp. (Cyanobacteria)

  • F. DenizEmail author
  • S. D. Saygideger
  • S. Karaman


Physiological responses of the cyanobacterium, Spirulina sp., were evaluated following exposure to copper (0.1 and 1.0 mg/L) and sodium chloride (0.2 and 0.4 mol/L) for 7 days. Growth and chlorophyll a content exhibited decreases at most exposure levels, while increases occurred for malondialdehyde at all exposure levels. Proline content was increased at the higher exposure levels. Carotenoid levels of Spirulina sp. were not significantly changed. Increased amounts of malondialdehyde were indicative of free radical formation in Spirulina sp. under the stress, while increasing levels of proline pointed to the occurrence of a scavenging mechanism. Concentrations of copper in Spirulina sp. decreased with increasing concentrations of NaCl.


Copper NaCl Malondialdehyde Proline Spirulina sp. 


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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Biology, Faculty of Arts and ScienceKahramanmaras Sutcu Imam UniversityKahramanmarasTurkey
  2. 2.Department of Biology, Faculty of Arts and SciencesGaziantep UniversityGaziantepTurkey

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