Staphylococcus

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    Since the beginning of time, Staphylococcus, also known as staph infection, has (Khan, 2017), but there was not an official discovery of what it was until much later. In the year of 1880, a surgeon discovered the bacterial infection in a patient after a surgery (Mandal, 2012). A staph infection is an infection caused by a group of Staphylococcus bacteria that can cause many different conditions and diseases. Believe it or not, the Staphylococcus bacteria is found in the normal flora of the body, which is the bacteria that our body almost constantly has but does no damage. There are over 30 types of Staphylococcal infection, but Staphylococcus aureus causes most of the staphylococcal infections. Staphylococcus aureus is a gram positive infection,…

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    IV. Pathogenesis of Staphylococcus aureus A. Mode of Pathogenicity Staphylococcus aureus is both a commensal bacterium and a versatile pathogen. It is commensal because it can harmlessly colonize in the nares, axillae, vagina, pharynx, or damaged skin surfaces (Jenkins et al. 2015). Commensal bacteria supports the superficial layer of our body from pathogenic bacteria. For instances, S. aureus produces bacteriocins (toxins created by bacteria) that impedes pathogenic staphylococcal organism…

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    Methicillin was first developed in 1959 as an antibiotic against penicillin-resistant Staphylococcus aureus. This beta-lactam antibiotic inhibits the synthesis of bacterial cell walls and inhibits cross-linkage between the linear peptidoglycan polymer chains, essentials for the cell wall of Gram-positive bacteria. This antibiotic is a derivative and modification to the original beta-lactam antibiotic penicillin and is penicillinase-resistant, which is effective against S. aureus bacterium’s…

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    Methicillin-Resistant Staphylococcus Aureus For this assignment I have been asked to choose a pathogen, describe it and explain how the chain of infection can be broken. I have chosen Meticillen Resistant Staphylococcus Aureus. As a support worker in theatres MRSA can cause significant problems for us and for patients, therefore we have to have each patient screened before we operate and we have certain standard precautions we need to follow before, during and after surgery. Staphylococcus…

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    Prior to the commencement of the experiment, several hypotheses were made in regards to the efficacy of different household antibacterial products on two species of bacteria. The first hypothesis predicted that the most afflicted species of bacteria would be Staphylococcus aureus; the second suggested that products A and C would be more effective at killing both species of bacteria than product B; whilst the third hypothesis proposed that product A would be most active against S.aureus. The…

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    Staphylococcus epidermidis is a gram-positive cocci, that measured approximately 0.5um and had an optimum growth temperature of 37°C. Generally, when given an unknown solution, Staphylococcus epidermidis has features that can distinguish it from other forms of bacteria. After doing a gram stain, it was noticed that the bacteria had a cocci morphology, meaning that the cell can either be staphylococcus, enterococcus, or micrococcus. Using the gram stain, it can also be seen that the bacteria in…

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    Staphylococcus aureus is a species of bacteria known as a major human pathogen causing a wide range of infections. Enterotoxigenic bacteria can be defined as bacteria that producing or pertaining in production of enterotoxin, thus enterotoxigenic Staphylococcus aureus is one of the bacteria that produce enterotoxin (Schelin et al., 2011). Most of previous research, an occurrence of enterotoxigenic S. aureus in food caused one the most frequent microbial diseases which known as Gastroenteritis…

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    Unknown Bacteria Essay

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    from the genus Staphylococcus which was one of the few possibilities that unknown 10 could be. The results from the blood agar plate indicated that unknown 10 preformed Gamma-hemolysis. Most Staphylococcus and Enterococcus species produce the reaction of Gamma-hemolysis. However, Enterococcus was eliminated from being unknown 10 because it exhibits poor growth on Mannitol Salt Agar (MSA), where as unknown 10 grew in the medium and fermented the mannitol. Starch Hydrolysis. This test is used to…

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    toughest of the conditions. The selected organisms for present study is MRSA, a microorganism which has developed resistance to the almost all types of antibiotics. Staphylococcus aureus the catastrophic effects of staphylococcus have affected human kind since very early history and it is believed that 6th plague of Egypt which was named as “incurable boils” was also caused by staphylococcus. But the name staphylococcus was given after the two Greek words stands for staphylos (grips) and kokkos…

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    Unknown Bacteria

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    My professor had suggested that instead of me continuing on ahead doing the catalase test she had recommended that I do a mannitol salt agar test or a Blood agar test for my final test, which would help determine between Streptococcus pneumoniae, Staphylococcus epidermidis. I decided to go along with the mannitol salt agar method and again with my inoculated loop I grabbed some of my unknown #15 and I had applied it to aseptic technique to the agar plate. While waiting for my results to appear,…

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