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Abstract. A novel bacteriophage vB_SauS_SA2 (hereafter designated SA2) that infects Staphylococcus aureus was isolated. At a multiplicity of infection (MOI) of 0.1, phage SA2 had a latent period of about 10 min with a burst size of 293 PFUs/infected cell (PFU, plaque forming unit).
- Medical Microbiology
The association of S epidermidis (and to a lesser extent of...
- Medical Microbiology
31 Δεκ 2023 · To isolate staphylococci, clinical specimens are usually grown on Blood agar (described in Lab 14). Staphylococci produce round, raised, opaque colonies 1-2mm in diameter. The novobiocin disc is used to detect sensitivity or resistance to the antibiotic novobiocin.
The association of S epidermidis (and to a lesser extent of other coagulase-negative staphylococci) with nosocomial infections associated with indwelling devices means that isolation of these bacteria from blood is likely to be important and not due to chance contamination, particularly if successive blood cultures are positive.
1 Ιαν 2018 · Staphylococci are isolated from foods using selective and differential media to select for members of the genus Staphylococcus, such as Baird-Parker (BP) agar and Mannitol Salt agar.
4 Μαρ 2024 · CHROMagar™ Staph Aureus is a specialized medium designed for the selective isolation and identification of Staphylococcus aureus, offering distinct characteristics for efficient identification: Colony Morphology. Color: Staphylococcus aureus colonies on CHROMagar™ typically appear mauve or pink.
Each table will be given a Staphylococcal species growing on aNA or TSA plate. Using an isolation streak technique, inoculate the Columbia naladixic acid (CNA) and place the novobiocin disc in section 1. Novobiocin sensitivity is a key differentiating features among some of the Staphylococcus species. Place forceps into the alcohol and then ...
S. aureus Newman was isolated from a throat swab and has been selected for animal studies due to its stable agr phenotype; S. aureus Newman has been used to elucidate the genetic requirements for staphylococcal coagulation and clumping (agglutination) in plasma, as well as abscess formation in mice (Duthie, 1954; Cheng et al., 2009).
