Detection of peroxidase activity and its localization in the forespore envelopes of Bacillus cereus.

Abstract
Peroxidase activity was detected in Bacillus cereus when the catalase activity has been inhibited by 1 mM sodium azide. The peroxidase level was high in late stationary-phase cells just before the accumulation of dipicolinic acid. Ultracytochemical examination indicated that peroxidase was localized in the envelope around the forespore and in the transverse membrane of the cell.

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