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Produce a Dichotomus/Bacterial Key including the following characteristics




Question;Instructions: Produce a Dichotomus/Bacterial;Key including the following characteristics for the 12 GI Tract Pathogens as;listed below. Base the key upon Gram;positive or negative, Morphology, culturing and biochemical tests (glucose;fermentation, coagulase + or -, catalse + or -,etc...).;Submit;Key inpower point,jpeg image, orPDF file.="#000000">;ORGANISM;CHARACTERISTIC;Campylobaacter jejuni;Campylobacter jejuni is a;slender, spirally curved, motile Gram-negative rod. s requirement for reduced;levels of oxygen;utilizes a relatively large supply;of serine, proline, aspartate, and glutamate;Salmonella typhimurin;Salmonella typhimurium;is a Gram-negative, rod-shaped bacterium;g lactose negative, citrate;positive, lysine decarboxylase positive, gelatin hydrolysis negative, and the;production of hydrogen sulfide;Escherichia coli;Gram-negative, rod-shaped bacterium;that causes.;motilefacultative anaerobes;(they can makes ATP energy by aerobic respiration if oxygen is present, but;is also capable of switching to fermentation);Clostridium perfringens;Clostridium perfringens;is a Gram-positive, spore-forming, heat-resistant, rod-shaped anaerobic;bacterium, widely distributed in soil, marine sediment, decaying vegetation;and the intestinal tract of insects, humans and other vertebrates. The toxin;is a zinc metallophospholipase that requires zinc for activation.;C. dificile;Endospore-Forming Gram positive rods;and cocci;oxygen requirements, motility;morph, catalase;Alcaligenes faecalis. It was originally named for its;first discovery infeces;but was later found to be much more common in other places as well. Optimum;growth occurs at about 37?C with nopigmentation.;Whileopportunistic;infections do occur, thebacterium;is generally considered non-pathogenic. When an opportunistic infection does;occur, it is usually observed in the form of a urinary tract infection;Gram-negative;rod-shaped, motile, non-nitrate reducing, oxidase positive, catalase;positive, alpha hemolytic, and citrate positive(variable)obligate aerobe;that is commonly found in the environment;Enterobacter faecalis;Facultatively Anaerobic Gram;negative rods;growth factors, morph., gram rxn.;oxidase rxn., read Genera descriptions;Shigella sonnei;1).Shigella are closely;related toEscherichia coli andSalmonella and share common;antigens with one another and other enteric bacteria. There are four species;ofShigella:S. boydii, S. dysenteriae, S. flexneri,?and S. sonnei.;Shigella;is a genus of bacteria belonging to the family Enterobacteriaceae. Species of;this genus are Gram-negative, rod-shaped, and non-lactose fermenting (with;exception toS. sonnei). They are also non-motile due to the lack of;flagella and makes ATP (an energy molecule) by aerobic respiration if oxygen;is present, but is also capable of switching to fermentation -facultative;anaerobe.Shigella species can ferment carbohydrates with the;production of acid, and grow in translucent white colonies (Figure;Bacillus cereus;Some strains are harmful to humans;and causefoodborne illness;while other strains can be beneficial asprobiotics;for animals.[1] It is the cause of "Fried Rice;Syndrome," as the bacteria is classically contracted from fried rice;dishes that have been sitting at room temperature for hours (such as at abuffet).[2;Bacillus;cereus is anendemic;soil-dwelling;Gram-positive;rod-shaped;beta hemolytic;bacterium.;Vibrio cholerae;Facultatively Anaerobic Gram;negative rods;growth factors, morph., gram rxn.;oxidase rxn., read Genera descriptions;Helicobacter pylori;(Figure 1). The species name stems from:Helico;meaning helical or spiral shape,bacter, meaning bacteria, andpylori;refering to pylorus region of the stomach. This pathogen possesses five to;seven distinct flagella and grows best when cultured at 37?C (Figure 2).;Interestingly, in resting individuals, 37?C is the stomach's temperature -;the targeted organ, however, the bacteria is able to withstand temperatures;as low as 25?C.;Helicobacter pylori is a;Gram-negative, curved S-shaped bacterium, which also has a non-cultural;coccoid form with rounded ends;Listeria;monocytogenes;Regular;Nonsporlating Gram positive rods;morph.;oxygen require, catalase


Paper#63062 | Written in 18-Jul-2015

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