Abstract

Potassium tellurite was reduced more rapidly inProteus vulgaris cells in the presence of glycine, lysine, methionine, ornithine, glutamic acid and leucine. Reduction was probably bound to the activity of L-amino acid oxidases. Tellurite probably acted as an acceptor of hydrogen from reduced flavin adenine dinucleotide (FAD). Nicotine amide dinucleotide (NAD) also significantly stimulated reduction. Reduction was sensitive to SH-group inhibitors and party to KCN. Oxygen competed with the tellurite. The optimum pH was 6.7 and 7.3. Reduction did not take place in cells whose inner structure was injured.

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