Lysozyme retention by cockroach Periplaneta americana L.

Abstract

Blood from the cockroach Periplaneta americana usually does not react with a suspension of Micrococcus lysodeikticus. When lysozyme is added to the mixture it causes an immediate reduction in the optical density at 450 nanometers which is soon followed by a strong rise. Blood from roaches injected with lysozyme causes a similar series of changes in the… (More)

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