Effects of Phenetyl Alcohol and Procaine on the Syntheses of Cellular Arylsulfatase and Tyramine Oxidase in Klebsiella aerogenes

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β-Phenetyl alcohol and procaine hydrochloride are known to alter membrane structure. Their effects on the syntheses of tyramine oxidase and arylsulfatase were studied in Klebsiella aerogenes. β-Phenetyl alcohol inhibited the syntheses of membrane-bound tyramine oxidase and arylsulfatase, located in the periplasm, under non-repressing and derepressing conditions, but did not affect the syntheses of β-galactosidase and histidase, which are located internally. In contrast, procaine hydrochloride stimulated the synthesis of tyramine oxidase and derepressed the synthesis of arylsulfatase, but inhibited non-repressed synthesis of arylsulfatase. Thus, derepressed synthesis of cellular arylsulfatase was affected by the level of tyramine oxidase synthesis. Structural alterations in the cell membrane seem to impair the formation of active-arylsulfatase protein in the periplasmic space.