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Dichotomus Key for 12 GI Tract Pathogens.




I am having such a hard time producing a Dichotomus Key for 12 GI Tract Pathogens.;I gathered and categorized all data as instructed, but the key is just not coming together for me.;See the attached instructions and data collected.;Please HELP!;**Note this is already overdue**:-/;Attachment Preview;2Bacterial Key.docx Download Attachment;TABLECHARACTERISTICFOR12GITRACTPATHOGENS&COMMENSALS;Instructions:ProduceaDichotomus/BacterialKeyincludingthefollowing;characteristicsforthe12GITractPathogensaslistedbelow.BasethekeyuponGram;positive or negative, Morphology, culturing and biochemical tests (glucose;fermentation, coagulase + or -, catalse + or -, etc...).;Submit Key in power point, jpeg image, or PDF file.;ORGANISM;CHARACTERISTIC;Campylobaacter jejuni;Campylobacter jejuni is a slender;spirally curved, motile Gramnegative 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;Gram-negative, rod-shaped;bacterium that causes.;motile facultative anaerobes (they;can makes ATP energy by aerobic;respiration if oxygen is present;but is also capable of switching to;fermentation);Clostridium perfringens is a Grampositive, spore-forming, heatresistant, 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.;Endospore-Forming Gram positive;rods and cocci;Escherichia coli;Clostridium perfringens;C. dificile;Alcaligenes faecalis. It was originally named for its first;discovery in feces, but was later found;to be much more common in other;[Typetext];oxygen requirements, motility;morph, catalase;Gram-negative, rod-shaped;motile, non-nitrate reducing;oxidase positive, catalase;positive, alpha hemolytic, and;[Typetext];[Typetext];TABLECHARACTERISTICFOR12GITRACTPATHOGENS&COMMENSALS;Instructions:ProduceaDichotomus/BacterialKeyincludingthefollowing;characteristicsforthe12GITractPathogensaslistedbelow.BasethekeyuponGram;positive or negative, Morphology, culturing and biochemical tests (glucose;fermentation, coagulase + or -, catalse + or -, etc...).;Submit Key in power point, jpeg image, or PDF file.;places as well. Optimum growth;citrate positive(variable) obligate;occurs at about 37C with no;aerobe that is commonly found in;pigmentation. While opportunistic;the environment;infections do occur, the bacterium is;generally considered non-pathogenic.;When an opportunistic infection does;occur, it is usually observed in the;form of a urinary tract infection;Enterobacter faecalis;Facultatively Anaerobic Gram;negative rods;growth factors, morph., gram rxn.;oxidase rxn., read Genera;descriptions;Shigella sonnei;Shigella is a genus of bacteria;1). Shigella are closely related to;belonging to the family;Escherichia coli and Salmonella and;Enterobacteriaceae. Species of;share common antigens with one;this genus are Gram-negative;another and other enteric bacteria.;rod-shaped, and non-lactose;There are four species of Shigella: S.;fermenting (with exception to S.;boydii, S. dysenteriae, S. flexneri,and;sonnei). They are also non-motile;S. sonnei.;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;Bacillus cereus is an endemic;Some strains are harmful to humans;soil-dwelling, Gram-positive, rodand cause foodborne illness, while;shaped, beta hemolytic bacterium.;other strains can be beneficial as;probiotics 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 a buffet).[2;Vibrio cholerae;Facultatively Anaerobic Gram;negative rods;growth factors, morph., gram rxn.;[Typetext];[Typetext];[Typetext];TABLECHARACTERISTICFOR12GITRACTPATHOGENS&COMMENSALS;Instructions:ProduceaDichotomus/BacterialKeyincludingthefollowing;characteristicsforthe12GITractPathogensaslistedbelow.BasethekeyuponGram;positive or negative, Morphology, culturing and biochemical tests (glucose;fermentation, coagulase + or -, catalse + or -, etc...).;Submit Key in power point, jpeg image, or PDF file.;oxidase rxn., read Genera;descriptions;Helicobacter pylori;Helicobacter pylori is a Gram(Figure 1). The species name stems from: Helico;negative, curved S-shaped;meaning helical or spiral shape, bacter, meaning;bacterium, which also has a nonbacteria, and pylori, refering to pylorus region of;cultural coccoid form with;the stomach. This pathogen possesses five to;seven distinct flagella and grows best when;rounded ends;cultured at 37C (Figure 2). Interestingly, in resting;individuals, 37C is the stomach's temperature - the;targeted organ, however, the bacteria is able to;withstand temperatures as low as 25C.;Listeria monocytogenes;[Typetext];Regular, Nonsporlating Gram;positive rods;morph., oxygen require, catalase;[Typetext];[Typetext]


Paper#16319 | Written in 18-Jul-2015

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