Comparative study of hemolytic substances produced by coagulase-negative Staphylococcus strains

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Comparative study of hemolytic substances produced by coagulase-negative Staphylococcus strains.

Hemolytic substances H7, H62, and E56, produced by Staphylococcus haemolyticus 7 and 62 and S. epidermidis 56, respectively, were purified. H7 and H62 are probably similar on the basis of their isoelectric focusing profiles in 8 M urea and complete immunological identity as revealed by immunodiffusion with rabbit anti-H7 and anti-E56 sera. For E56, we observed seven bands instead of three in is...

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Coagulase-negative strains of Staphylococcus pyogenes.

The isolation of two coagulase-negative strains of Staphylococcus pyogenes is reported, and their biochemical characteristics are given. The reliability of coagulase tests alone in the identification of Staph. pyogenes is discussed, and the deoxyribonuclease test is recommended as a useful confirmatory test.

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Bacteriocin Activity of Staphylococcus Aureus, Staphylococcus Intermedius and Coagulase-negative Staphylococcal Strains

Skalka B.: Bacteriocin Activity of Staphylococcus aureus, Staphylococcus intermedius and Coagulase-n.egative Staphylococcal Strains. Acta vet. Brno, 55, 1986: 65-72. A total of 567 staphylococcal strains was examined for bacteriocin activity. It contained 367 S. aureus strains, 114 S. intermedius strains, and 86 coagulasenegative staphylococci belonging to ten species. The deferred method was e...

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Characteristics of spontaneous coagulase-negative staphylococcal spondylodiscitis: a retrospective comparative study versus Staphylococcus aureus spondylodiscitis

BACKGROUND Coagulase-negative staphylococci (CoNS) are increasingly implicated in recent patient series of spondylodiscitis, but there are no series of CoNS-spondylodiscitis available. The objective of this study was to compare the characteristics of patients with spontaneous CoNS-spondylodiscitis with those patients with Staphylococcus aureus (SA) spondylodiscitis. METHODS This was a retrosp...

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Coagulase-negative staphylococcus—oftentimes a virulent masquerader

The crescents were accompanied by foci of fibrinoid necrosis with endocapillary and extracapillary fibrin. Tubular atrophy and interstitial fibrosis were absent. Interstitial inflammation was present, focal and accompanied by tubular degenerative changes. There was evidence of necrotizing vasculitis. IF revealed granular, segmental to global glomerular capillary wall positivity for IgG, kappa a...

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ژورنال

عنوان ژورنال: Infection and Immunity

سال: 1990

ISSN: 0019-9567,1098-5522

DOI: 10.1128/iai.58.7.2144-2148.1990