title: Coaggregation between Actinomyces viscosus with Streptococcus pyogenes and Streptococcus agalactiae.
abstract: Interbacterial coaggregation between Actinomyces viscosus indigenous to the human mouth and Streptococcus pyogenes and Streptococcus agalactiae was studied. Fifteen of twenty-six strains of Streptococcus pyogenes and thirteen of thirty-one Streptococcus agalactiae showed a coaggregation with Actinomyces viscosus strain. The results show that the coaggregation mechanism required calcium and was dependent on pH. Some coaggregations were inhibited by 0.06 M. lactose and by 1 M. NaCl.
mesh_terms: D000190:Actinomyces / Q000502:physiology*; D002118:Calcium / Q000494:pharmacology; D003470:Culture Media; D006358:Hot Temperature; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009055:Mouth / Q000382:microbiology; D013053:Spectrophotometry; D013292:Streptococcus agalactiae / Q000502:physiology*; D013297:Streptococcus pyogenes / Q000502:physiology*
chemical_list: D003470:Culture Media; D002118:Calcium