for immediate confirmation of Escherichia coli. Appl. Environ. Microbiol. 43: 1320. HARTMAN‚ P.A. 1989. The MUG (glucuronidase) test for E. coli in food and water. In A. Balows et al.‚ eds.‚ Rapid Methods and Automation in Microbiology and Immunology. Proc. 5th Intl. Symp. on Rapid Methods and Automation in Microbiology & Immunology‚ Florence‚ Italy‚ Nov. 4 – 6‚ 1987. FIEDLER‚ J. & J. REISKE. 1990. Glutaminsauredecarboxylase-schnelltest zur identifikation von Escherichia coli. Z. Ges. Hyg. Grenzgeb
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was effective in fighting bacteria. This project interested me because garlic is traditionally used in medicine and is known to combat bacteria. Hypothesis If bacteria is exposed to garlic‚ then the garlic will to abolish the Escherichia coli‚ because the Escherichia coli (E. coli) is usually a weak bacteria. Procedure Have three petri dishes prepared with blood agar‚ and three test tubes with 100 milliliters of milk. Label three test tubes‚ “A‚” “B‚” and “C.” With a toothpick‚ add a small
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Biochemical Test – Enterobacteriaceae Bacterial spp incapable of fermenting glucose cannot utilize lactose. 2 enzymes necessary for a bacterium to take up lactose: A. β-galactoside permease – facilitates the entry of lactose molecules to bac cell wall B. β-galactosidase – breaks down lactose into β-D glucose and β-D galacatose LF possess both enzymes NLF do not possess β-galactosidase LLF do not possess β-galactoside permease Glucose fermenters only (true enteric pathogen)
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Multiplication of contaminant bacteria in urine and interpretation of delayed culture. Abstract A prospective study of the bacterial populations of non-infected urine was mounted in an attempt to define the length of delay between voiding and analysis during which culture would not give false positive results due to the multiplication of contaminant bacteria present at the time of voiding. The findings suggest that culture of urine within four hours of voiding is likely to give a true indication
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Microbiology: ‘The Correct handling of Micro-organisms’ 1. Devise a title for each of the two experiments you did : (i)‚ Experiment 1 demonstrated the growth of bacteria when placed in liquid nutrient broth culture‚ the number of species present had increased in growth. .(1) (ii) Experiment 2 illustrated the growth of bacteria when placed on different surfaces of solid agar plates which included: nutrient agar‚ CLED agar and MacConkey agar; the number of species present also had increased in growth
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Unknown Lab Report Dr. Nathan Cahoone Microbiology 204 December 9‚ 2010 Introduction There are many reasons for knowing the identity of microorganisms. The study and test was done by applying all of the methods that have been learned so far in the microbiology laboratory class for the identification of an unknown bacterium which I was using unknown #25. Results Unknown #25 had the following morphology on a streak plate: medium sized butyrous cream colored colony. Gram-staining was utilized
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of infected phage particles in the given sample. Method & Materials: * (6) BHI plates at 37˚C * (5) tubes of 9.0mL TSB broth * (6) tubes of soft agar in a 50˚C water bath * T4 phage sample tube * 24hr. broth culture of Escherichia coli B * Sterile pipettes and droppers 1) (Phage Serial-Dilution) a) Label broth tubes with dilution factors (1:10‚ 1:100‚ 1:1000‚ 1:10‚000‚ 1:100‚000). b) Pipet 1.mL of stock to the first dilution. Vortex. c) Pipet
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Lahela Correa 12/08/2009 Microbiology 140 Matthew Tuthill Unknown Lab Report Introduction There are many reasons for knowing the identity of microorganisms. The reasons range from knowing the causative agent of a disease in a patient‚ so as to know how it can be treated‚ to knowing the correct microorganism to be used for making certain foods or antibiotics. This study was done by applying all of the methods that I have been learned so far in the microbiology laboratory class for the identification
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INTRODUCTION a) Background of the Study Ever since man utilized various species of plants for food‚ clothing‚ as medicines‚ fibers and other useful things. In fact‚ the interaction of man and the plants led to the establishment of the so-called traditional knowledge. One should look into the potential impact of the plant which are generally rich sources of many natural products‚ and its ecological environment and the manner on how it could be utilized for significant use for human welfare
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micro-organism is a very small organism; the most common micro-organisms are bacteria‚ fungi and protozoa‚ which have been found across the earth for over 3.8 billion years. The name of the micro-organism that I am researching is E coli‚ which is short for Escherichia coli‚ E. coli diverged around 102 million years ago‚ E coli is a common type of bacteria that can get into food‚ like beef and vegetables. E coli is dangerous because it is damaging to the kidneys and other organs responsible for removing toxins
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