E. Coli essays

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Abstract: Escherichia coli is a gram-negative bacterium that is found in the human digestive system. Staphylococcus epidermidis is a gram-positive coccus-shaped bacterium commonly found on the human skin. In this study, we looked at the metabolism and physiology of both organisms on differential and selective media. Bacteria were grown and observed on Tryptic Soy Agar (TSA), Phenylethyl Agar (PEA), Mannitol Salt Agar (MSA), and MacConkey’s Agar (MAC). E. coli was able to grow on TSA, MSA, and MAC, and was...
7 Pages 3136 Words
Abstract Multidrug-resistant-ESBL-producing E. coli are on high emergence in UTIs and other infections. Such E. coli are big challenge and responsible for serious threats to healthcare professionals, treatment failures, increased morbidity and mortality, and render beta-lactam antibiotics ineffective. A total of 9391 uropathogenic E. coli (non-repetitive) were isolated and identified on the basis of standard biochemical reactions. The antibiotic susceptibility testing was accomplished by the Kirby-Bauer disc diffusion method by following Clinical Laboratory Standard Institute (CLSI) guidelines. MICs of various...
5 Pages 2115 Words
E. coli Commensal Escherichia coli (E. coli) is a Gram-negative, facultative anaerobic, rod-shaped bacterium of the genus Escherichia (Tenaillon et al. 2010).. It is commonly found in the lower intestine of warm-blooded organisms (Secher T 2016). E. coli is an extremely diverse bacterial species which forms part of the gut microbiome, a term which describes the ecological community of commensal, symbiotic and pathogenic microorganisms found in the intestine (Bull M J et al., 2014). Throughout life, the population of E....
8 Pages 3547 Words
Escherichia coli is a gram-negative facultative bacteria belongs to family Enterobacteriaceae. E. coli is a cunning species encompassing the common vegetation in the intestinal tracts of the warm-blooded creatures (Afset et al., 2003). The main territory of E. coli has long been believed as the vertebrate gut since first termed as Bacterium coli community by a German pediatrician, Dr. Theodor Escherich, which he secluded from the waste material of a newborn patient (Escherich, 1885). E. coli is equally well-known as...
4 Pages 1753 Words
New Zealand rivers – not so clean after all Background Tourism plays a big part in New Zealand’s export being a crucial part of the New Zealand economy. It is important for New Zealand to maintain a “100% pure” image as the Tourism New Zealand advert suggests. This is because countries are likely to purchase NZ exports if they think that it is coming from a ‘100% pure’ country. However, this “100% pure” image that Tourism New Zealand tries to...
5 Pages 2281 Words
There are two different microbial pathogens we are to discuss namely, Escherichia coli and Listeria monocytogenes that affect pregnant women and the unborn foetus upon eating (or coming into contacting) with infected meat. Listeria monocytogenes is a facultative anaerobic bacteria which causes the infection called Listeriosis. Escherichia coli is a bacteria that is commonly found in the lower intestine of warm blooded organisms, most E.coli strains are harmless, but some can cause serious food poisoning. Shiga toxin-producing E-coli (STEC) is...
2 Pages 974 Words
The recent E. coli outbreak in Romaine Lettuce has forced many restaurants, grocery stores, and households to pull the popular produce off the shelves. A recent discovery found that farmers harvesting the lettuce in the Central Coastal regions in northern and central California were responsible for the outbreak. Not only was the United States affected by this outbreak, but Canada was also. This outbreak likely happened due to the common harvesting patterns farmers in California had been used in order...
4 Pages 1958 Words
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