Staphylococcus Aureus Is Bacteria Species Characterized By Its Golden Color And Round Shape

2558 WordsDec 3, 201411 Pages
Staphylococcus aureus is bacteria species characterized by its golden color and round shape (Lowy, 1998). The bacteria can cause small skin infections or severe infections in vital organs. Infections are most common in the hospital setting. S. aureus has developed resistance to antibiotics in the form of methicillin-resistant S. aureus (MRSA), which displays strong virulent factors and exemplifies the need for novel medications to treat bacterial infections. Current research has examined several options for potential drug treatments as well as vaccine development. Advances in genetic sequencing techniques may help to characterize S. aureus strains to better understand outbreaks and transmission of the bacteria. The impact of S. aureus on human health inspires future research on treatments, especially for antibiotic resistance strains. Introduction S. aureus is one of over thirty identified staphylococci species and is distinguished from the other staphylococci species by the golden coloration of its bacterial colonies (Foster, 1996; Lowy, 1998). Carotenoids, which function to protect the bacteria from oxidants produced in the immune system, are responsible for the characteristic gold color (Liu et al., 2005 as cited in Plata, Rosato, & Wegrzyn, 2009). The bacteria have a round shape, approximately 0.5-1μm in diameter and form clumps during growth. S. aureus is one of two coagulase positive staphylococci indicating its ability to clot blood plasma. This type of bacteria is

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