Corynebacterium diphtheriae

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  • Unknown Lab Report Essay

    Using the results from the sucrose test, Corynebacterium bovis could be eliminated because it’s test for sucrose was negative and unknown microbe #7 was positive for sucrose. Lastly, using the results from the glucose test as well as the methyl-red test, which helped identify which fermentation pathway was being used: the acid fermentation pathway or butanediol pathway, unknown microbe #7 was finally identified. After testing for methyl-red, it was concluded that unknown microbe #7 was Corynebacterium xerosis because the glucose test for Corynebacterium pseudodiphtheriticum was negative, meaning the microbe didn’t ferment glucose, and unknown microbe #7 did ferment…

    Words: 808 - Pages: 4
  • Corynebacterium Xerosis Lab Report

    antibiotic. The numbers on the table in the Microbiology Lab Manual represented whether the microbe was resistant, shown in the light blue color on the graph, intermediate, shown in purple, or sensitive to the antibiotic, shown in the periwinkle color. As shown in figure 1 above, indicated with a yellow line, each antibiotic tested on unknown microbe #7 turned out to be sensitive. The diameters of the cleared out areas were vancomycin: 21mm, erythromycin: 27mm and ciproflaxin 27mm. This…

    Words: 1245 - Pages: 5
  • The Difference Between Antibiotic Creams And Ointments

    It consists of a combination of two antibacterial agents, bacitracin (C66H101N17O16SZn) and neomycin (C23H46N6O13). Bacitracin is mainly active against gram-positive organisms, such as Clostridia, Corynebacterium Diphtheriae, Hemolytic streptococci, Staphylococci, Treponema. Bacitracin is also active on some gram-negative pathogens such as Haemophilus influenzae, Neisseria, in addition to Actinomycetes and Fusobacteria. Resistance to bacitracin is extremely uncommon. Meanwhile, neomycin acts on…

    Words: 973 - Pages: 4
  • Microorganisms And Humans Lab Report

    of the throat known as the pharynx with a sterile swab Swab one third of thesector on the plate. Thrown the tongue compressor and the swad in the biowaste container because it contain bodily fliud. Streak over the swabbed portion with a sterile inoculating loop. Continue until the rest of the surface is cover. Repeat the same process for your partner 7. Place a bacitracin disc in the center of the streaked portion. 8. Invert plate and Incubate at 37 C for 24 hours. Record results after 24 hours…

    Words: 782 - Pages: 4
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