Title: "Putting Koch's Postulate to Test" Choose a microbial disease and use Koch's Postulates to prove that it is caused by the implicated microorganism. Specifically, you have to provide brief narratives/pictures/proofs and sources that supports each postulate Make a 1. Page Report.
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- a. List the main features of Koch′s postulates. b. Why is it so difficult to prove them for some diseases?topic: BACTERIAL ENDOTOXINS TEST Fill-in the possible effect of the procedure and give the rationale. The sample solution prepared exceeded the MVD. Effect: Rationale:The following are the limitations of Koch's postulates EXCEPT: A. some pathogens cannot grow on artificial media and therefore cannot be identified as the causative agent of the disease B. some diseases involve multiple pathogens which produce similar symptoms making it difficult to pinpoint the causative agent C. some diseases are host-specific and re-inoculation may pose ethical concerns D. some microorganisms are present in the body fluids of the infected animal which make them difficult to be cultured
- As a medical microbiologist, if you are presented with a patient suspected to have a bacterial disease, describe the various steps you would follow, to establish a laboratory diagnosis. Please keep brief - 8 sentences/dot points max.Ex. 17: Chemotherapeutic Agents Using the Antimicrobial Susceptibility Table on pg 62 in the lab manual, determine whether not the bacteria plated in this Kirby-Bauer test are resistant (R), intermediate (I), or susceptible (S). The bacterial species tested was Escherichia coli (Gram negative). Ciprofloxacin Diameter = 20 Streptomycin Diameter 30 Carbenicillin Diameter 17 + Erythromycin Diameter = 23 Novobiocin Diameter = 0 bacterial growth = disk with antibiotic (see labels) = no growththe following are the steps, listed in random order, for utilizing koch's postulates. what should be the second step out of the four listed? a. a microorganism is found to be present in every case of a disease. b. the same microbe discovered previously is isolated from the purposely infected host c. the pathogen is isolated and grown in pure culture d. the same disease results after isolated organism is inoculated into healthy host
- Background: The following results were obtained from a broth dilution test for microbial susceptibility. What is the minimum bactericidal concentration of this antibiotic and explain what you based your answer on?ORGANISMS: STENOTROPHOMONAS MALTOPHILIA Outline the presumptive and definitive characteristics for the laboratory identification of the bacterial species being presented. Discuss the diagnostic and clinical implications of making correct organism identification by giving follow up tests.A 1.5-year-old child developed vomiting, diarrhea, and fever. Stool sample were inoculated into the Endo media. After 18 hours on the surface of the medium grew medium-sized, round, slightly convex red colonies with a metallic luster. The doctor suspected Escherichia coli. 1. Name the composition of the Endo agar media. 2. Describe the properties of bacterial colonies on the Endo media. 3. What purpose differential diagnostic Endo media used for?
- When determining the clinical significance of cultures, a. the number of microbes is signifi cant. b. the presence of a single colony of a true pathogen may indicate the presence of the disease if the culture comes from a site known to be sterile (i.e., cerebrospinal fl uid). c. the repeated isolation of a relatively pure culture of any microorganism can mean it is an agent of disease, although this is not always the case. d. a range of tests may be needed to identify a pathogen. e. all of the above are true.Name some traditional Indian foods made of wheat, rice and Bengal gram (or their products) which involve use of microbes. Please provide the answer with a plagiarism-free proper explanation. Kindly also refer to the NCERT 12th Biology.Note that it is not appropriate to self-diagnose outside of a medical context and this is a completely hypothetical scenario. Imagine you have a rash on your foot. You're concerned that it's an infection and inoculate a sample onto an agar plate. You wonder, How can I figure out whether the pathogen is a bacterium vs a eukaryote? You decide to use lab supplies to get a basic understanding of the pathogen. Be specific about what tests you use and what you expect the results to be. Limit yourself to experiments we could do in our lab. What is one experiment you could do, involving culturing the organism?