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  • Title: Isolation and characterization of Clostridium perfringens mutants altered in both hemagglutinin and sialidase production.
    Author: Rood JI, Wilkinson RG.
    Journal: J Bacteriol; 1975 Aug; 123(2):419-27. PubMed ID: 169224.
    Abstract:
    The relationship between the production of hemagglutinin and sialidase activities by Clostridium perfringens was investigated by screening for mutants producing reduced levels of hemagglutinin activity. Twelve mutants were isolated; all produced reduced levels of sialidase activity and several had other altered phenotypic markers. Revertants that regained the ability to produce active hemagglutinin were isolated. All of these revertants produced increased sialidase activity. These results show that the production of hemagglutinin activity is directly related to the production of sialidase activity. Evidence is also presented that the processes of sporulation and the production of extracellular proteins are interrelated.
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