Effect of oxygen on the cyanobacterium Oscillatoria limnetica

Devorah Friedberg*, Miriam Fine, Aharon Oren

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

9 Scopus citations


Oscillatoria limnetica grown photoautotrophically under aerobic or anaerobic conditions contained a single superoxide dismutase (SOD) of identical electrophoretic mobility in both cases. Its activity was cyanide resistant and H2O2 sensitive, implicating Fe-SOD. The enzyme level was high in aerobically and low in anaerobically growing cells. Anaerobically grown cells were more sensitive than aerobic to photooxidation, as expressed by bleaching of phycocyanin and disintegration of the trichomes.

Original languageAmerican English
Pages (from-to)311-313
Number of pages3
JournalArchives of Microbiology
Issue number3
StatePublished - Dec 1979


  • Cyanobacteria
  • Oscillatoria limnetica
  • Photooxidation
  • SOD


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