I am having such a hard time producing a Dichotomus…
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 This is an unformatted preview. Please download the attached document for the original format. TABLE CHARACTERISTIC FOR 12 GI TRACT PATHOGENS & COMMENSALS 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 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 [Type text] oxygen requirements, motility, morph, catalase Gram-negative, rod-shaped, motile, non-nitrate reducing, oxidase positive, catalase positive, alpha hemolytic, and [Type text] [Type text] TABLE CHARACTERISTIC FOR 12 GI TRACT PATHOGENS & COMMENSALS 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 in power point, jpeg image, or PDF file. places as well. Optimum growth citrate positive(variable) obligate occurs at about 37°C 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., [Type text] [Type text] [Type text] TABLE CHARACTERISTIC FOR 12 GI TRACT PATHOGENS & COMMENSALS 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 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 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. Listeria monocytogenes [Type text] Regular, Nonsporlating Gram positive rods morph., oxygen require, catalase [Type text] [Type text]