Effect of oxygen on the cyanobacterium Oscillatoria limnetica

Devorah Friedberg; Miriam Fine; Aharon Oren

doi:10.1007/BF00406667

Effect of oxygen on the cyanobacterium Oscillatoria limnetica

Devorah Friedberg^*, Miriam Fine, Aharon Oren

^*Corresponding author for this work

Alexander Silberman Institute of Life Sciences

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

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 language	English
Pages (from-to)	311-313
Number of pages	3
Journal	Archives of Microbiology
Volume	123
Issue number	3
DOIs	https://doi.org/10.1007/BF00406667
State	Published - Dec 1979

Keywords

Cyanobacteria
Oscillatoria limnetica
Photooxidation
SOD

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abstract = "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.",

keywords = "Cyanobacteria, Oscillatoria limnetica, Photooxidation, SOD",

author = "Devorah Friedberg and Miriam Fine and Aharon Oren",

year = "1979",

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AU - Fine, Miriam

AU - Oren, Aharon

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N2 - 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.

AB - 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.

KW - Cyanobacteria

KW - Oscillatoria limnetica

KW - Photooxidation

KW - SOD

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Effect of oxygen on the cyanobacterium Oscillatoria limnetica

Abstract

Keywords

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