Vancomycin-resistant Staphylococcus aureus

Section III The genus Staphylococcus A. Natural Habitat 1. Host range Worldwide, Staphylococcus species are notorious as human pathogens and are the focus of comprehensive studies among researchers in the scientific field. More than, 40 different Staphylococcus species cause diseases known to be clinically and economically significant (Lindsay 2008). Public health has become threatened by the antibiotic –resistance strains that passes on from staphylococcus species to humans (Lindsay 2008).

Staphylococcus aureus is a gram-positive coccal bacterium, 1µm in diameter, forming grape like clusters or clumps, and is the most important pathogen amongst Staphylococci bacteria. A gram stain was performed on unknown bacteria #41, producing a purple, gram positive cocci bacteria appearing in grape like clusters or clumps under microscope. A streak plate test on nutrient agar was performed resulting in yellowish colonies on the nutrient agar. A catalase test was then performed with a positive

that thrive in the skin folds of humans because the moisture level and there is also a high salt level there, for example. The normal flora are opportunistic, and they need a way of entry in order to be harmful to the individual. Neisseria, Staphylococcus aureus, and Streptococcus are examples of bacteria that if given the opportunity can be harmful to humans. Growing the bacteria, gram staining and performing an oxidase test can be done

Prevalence of Community Associated Methicillin Resistant Staphylococcus aureus (CA-MRSA) in Bangladesh. INTRODUCTION: Generally, Staphylococcus aureus is a significant human pathogen causing serious skin and soft tissue infections (SSTI), bacteremia, sepsis, and fatal pneumonia (1). However after the introduction of methicillin to work against S. aureus, methicillin-resistant S. aureus strain (MRSA) emerged as a devastating pathogen (2). This resistance to methicillin occurs due to confer mecA

by physicians and have led to resistant strains of bacteria. Resistant strains are no joke, for years my mother has been dealing with MRSA (methicillin-resistant staphylococcus aureus). My mother has had MRSA so bad that at one time she was covered in MRSA sores much like when a person breaks out in hives. Watching her suffer the way she has worries me as I am also a healthcare worker and know what these

Staphylococci are nonmotile, non-spore forming, spherical, catalase-positive, gram-positive bacteria. Staphylococci are classified as either coagulase-positive or coagulase-negative. Staphylococcus epidermidis lack the enzyme coagulase and are classified as a coagulase-negative staphylococcus (CoNS) (John et al.; Namvar et al.; Otto; Tortora et al. 591). Because of their thick peptidoglycan layer, gram-positive cocci are well suited for survival in harsh conditions, including living in areas with

Staphylococcus aureus Toxic Shock Syndrome Microbiology 222-007 Lauren Schnotala Introduction Toxic Shock Syndrome, also known simply as TSS, is a life threatening illness caused by a bacterium called Staphylococcus aureus. TSS was first discovered in children in 1978 (Venkataraman, 2015). After the 1978 discovery, the disease itself was nationally recognized in 1980 when it was seen as a health threat amongst reproductive women. After this epidemic the number of reports of TSS

become apparent that “antibiotic-resistant superbugs are the world’s greatest threat to humans now, and into the future. (UQ contact, 2015). In recent years’ bacteria and superbugs have adapted to resist multiple antibiotics including the last line drugs, causing large concern among the medical industry. Staphylococcus aureus, otherwise known as golden staph is a fine example of an antibiotic resistant superbug. Golden staph is becoming more excessively resistant to the most powerful of antibiotics

The agar is known to be selective for Staphylococcus aureus. The catalase test produced bubbles which determined a positive result. The coagulase test produced a solid matrix at the bottom of the tube which helped us determine between Gram positive or Gram negative Stapholoccus aureus. With all of this information and following the Gram positive cocci flow chart from lab 6 we came to the conclusion that our unknown pathogen is Stapholoccus aureus, but because of the fact that the lab results

Since their first introduction to clinical use in 1940s, antibiotics have become an essential element in modern medicine. Diseases that would have inevitably lead to death now only take a few weeks of treatment to cure. Broad use of antibiotics have tremendously improved chances of survival in surgery, cancer treatment and other deadly pandemics. As antibiotics are continually produced commercially and applied in healthcare and agriculture, a problem arise: Antibiotics resistance. It has been gradually