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Nitrofuran-Reducing Enzymes of Euglena* |
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| Authors: | D. R. McCALLA DONNA VOUTSINOS |
| Abstract: | SYNOPSIS. Euglena gracilis strain Z, green, dark-grown, and “bleached”with N-methyl-N-nitro-N-nitrosoguanidine, was found to contain 2 soluble enzymes which reduce nitrofurans. A small amount of activity was demonstrated also in a particulate fraction of sonic extracts, but none in isolated chloroplasts. The reduction of 5 nitrofurans, having widely differing bleaching activities, by each of the 2 enzymes was examined. |
| Keywords: | Euglena gracilis strain Z nitrofuran-reducing enzymes metabolic activation of nitrofurans by enzymes “ bleaching” activity of enzyme-reduced nitrofurans |