1887

Abstract

Seminalplasmin, an antimicrobial protein from bovine seminal plasma, lysed both Gram-positive and Gram-negative bacteria but not The lytic activity was not lysozyme-like and was not affected by inhibitors of RNA or protein synthesis or by azide; it was strongly inhibited by divalent cations like Ca, Mn and Mg at millimolar concentrations. Maximum lysis of was obtained at 37°C; heat treatment of drastically reduced its susceptibility to lysis by seminalplasmin. cells in the stationary phase of growth were lysed much less than those in the exponential phase, and those grown in an enriched medium were lysed much more than those grown in a minimal medium. It appears that the lytic activity of seminalplasmin is due to the activation of an autolysin.

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1987-05-01
2022-01-20
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