Abstract
The cellular slime mold Dictyostelium discoideum expresses three genes (sodA, sodB and sodC) encoding the extracellular Cu/Zn superoxide dismutases. Following H(2)O(2) treatment, the expression of sodA and sodB increased while that of sodC decreased. The sodC null strain formed multinucleate cells in a shaking culture. These results suggest that sodC plays a unique role in Dictyostelium discoideum.
MeSH terms
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Amino Acid Sequence
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Animals
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Base Sequence
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Dictyostelium / cytology
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Dictyostelium / genetics*
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Dictyostelium / metabolism*
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Escherichia coli Proteins*
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Genes, Protozoan* / drug effects
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Giant Cells / cytology
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Giant Cells / drug effects
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Giant Cells / enzymology*
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Hydrogen Peroxide / pharmacology
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Molecular Sequence Data
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Mutagenesis, Insertional
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Sequence Analysis
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Superoxide Dismutase / biosynthesis
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Superoxide Dismutase / deficiency*
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Superoxide Dismutase / genetics*
Substances
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Escherichia coli Proteins
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Hydrogen Peroxide
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Superoxide Dismutase
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sodC protein, E coli