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  • Title: Exopolysaccharide depolymerases induced by Rhizobium bacteriophages.
    Author: Barnet YM, Humphrey B.
    Journal: Can J Microbiol; 1975 Oct; 21(10):1647-50. PubMed ID: 1201510.
    Abstract:
    Enzymes induced by two Rhizobium trifolii bacteriophages caused depolymerization of exopolysaccharides from most R. trifolii and R. leguminosarum strains tested, but did not, in general, attack the exopolysaccharides of R. meliloti, the slow-growing rhizobia, or Agrobacterium. Ca2+ and (or) Mg2+ were required for enzyme activity. In all strains tested, depolymerization of exopolysaccharide occurred when there was successful phage infection, but depolymerization also occurred with exopolysaccharides from nonsusceptible strains.
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