title: [Production of coagulase and thermonuclease in 366 strains of staphylococci belonging to different lyogroups].
abstract: 366 human staphylococci were tested for the production of coagulase and thermonuclease and were subdivided into lyogroups. 98% of the isolates showed uniformly positive or uniformly negative results for the production of two enzymes. All uniformly positive strains belonged to the species Staphylococcus aureus, whereas coagulase-thermonuclease negative strains were easily subdivided into five lyogroups. Seven strains produced only one of two enzymes and were identified by analysis of their bacteriolytic activity. Two of these strains were identified as Staphylococcus aureus, one was coagulase negative and the other thermonuclease negative.
mesh_terms: D003030:Coagulase / Q000096:biosynthesis*; D006801:Humans; D008836:Micrococcal Nuclease / Q000096:biosynthesis*; D013210:Staphylococcus / Q000145:classification / Q000201:enzymology*; D013211:Staphylococcus aureus / Q000201:enzymology
chemical_list: D003030:Coagulase; D008836:Micrococcal Nuclease
vernacular_title: Produzione di coagulasi e termonucleasi in 366 ceppi di stafilococchi appartenenti a diversi liogruppi.