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Chromate reduction inStreptomyces

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Summary

Streptomyces species 3M grew in peptone yeast extract medium with 1000 μg/ml K2Cr2O7. Incubation of the chromate with different cell fractions in the presence of NADH and NADPH resulted in a decrease of Cr6+ in the reaction mixture. The level of Cr6+ was reduced by 82.7% by a particulate cell fraction obtained by centrifugation at 105,000×g for 1 h, in the presence of NADH. The reducing enzyme was associated with this cell fraction. The enzyme was constitutive and reduced Cr6+ to Cr3+.

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Authors and Affiliations

  1. Department of Microbiology, Bose Institute, 700 009, Calcutta, India

    S. Das & A. L. Chandra

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  1. S. Das
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  2. A. L. Chandra
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Das, S., Chandra, A.L. Chromate reduction inStreptomyces. Experientia 46, 731–733 (1990). https://doi.org/10.1007/BF01939949

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  • DOI: https://doi.org/10.1007/BF01939949

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