"Enterococcus faecalis" Essays and Research Papers

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    Cocci Bacteria Lab Report

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    Coccus is a term used to describe a type of morphology that helps us distinguish different kinds of bacteria. The cell’s morphology is only one of the many ways we can differentiate the different species. Looking at these bacterium underneath the microscope is an important step to determine which kind of species it is. All cocci bacteria are not gram positive‚ but this lab will examine only this kind because of their influence in human health. Staphylococcus Aureus is a gram-positive coccus bacterium

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    to the multidrug-resistant strain S. aureus MRSA252‚ whereas the compound was moderately active against E. coli and E. faecalis. Butyl amine‚ from which C5H20NNaO5S2 was synthesized‚ showed only moderate activity against MRSA252. Table 6: Antibacterial activities (zones of inhibition [in mm] on agar plates) of sodium butyldithiocarbamate pentahydrate S. aureus (mm) E. faecalis (mm) E. coli (mm) BA 10.0 0.0 0.0 C5H20NNaO5S2 40.7 18.0 10.0 DMSO 0.0 0.0 0.0 Tetracycline 30 28 Vancomycin 22 BA:

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    Anaerobic Bacteria

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    Livja Koka Anaerobic Bacteria In this experiment the purpose is to seek understanding between an organism and its use of oxygen. Oxygen is a very important part of the organisms’ survival. Oxygen has a tendency to form very reactive by-products inside a cell. These by-products create havoc by reacting with protein and DNA‚ thus inactivating them. Cells that are able to live in the presence of oxygen have evolved enzymes to cope with H2O2 and O2- and thus are not inhibited by O2. Also many anaerobes

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    The bile esculin hydrolysis test is a selective and differential slant used to identify bacteria of the genus Enterococcus. The test contains bile salts to select for the desired bacteria‚ and differentiates because the hydrolysis of esculin and subsequent combination of the products with iron produces a black color. A positive test for the bile esculin slant is a

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    tests on. There are only two microorganisms‚ one is Gram positive and one is Gram negative‚ inside the test tube. The Gram positive possibilities are to be narrowed down from Bacillus cereus‚ Clostridium perfringens‚ Corynebacterium xerosis‚ Enterococcus faecalis‚ Streptococcus agalactaie‚ Staphylococcus aureus‚ and

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    Druckfreigabe/approval for printing Without corrections/ ohne Korrekturen After corrections/ nach Ausfçhrung der Korrekturen ` j89 1 2 3 4 5 6 7 8 9 Q1 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 ` Date/Datum: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Signature/Zeichen: . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Nonantibiotics – An Alternative for Microbial Resistance: Scope and

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    the test results from these two tests‚ I ran a motility‚ which was non-motile‚ and as oxidase test‚ which was negative‚ to determine whether my belief was correct. These two tests corresponded with the results that should have happened with Enterococcus faecalis‚ therefore‚ I knew I was correct in my

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    Lactic Acid Bacteria

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    system (e.g. Enterococcus faecalis)‚ genitourinary tract (e.g. Lactobacillus) as well as faecal matter‚ compost and rotting vegetation. These areas normally have an adequate supply of amino acids and vitamins (Murray et al‚ 1998; internet 1). They are aero tolerant anaerobes which mean they can tolerate oxygen but do not use it‚ (Johnson- Green‚ 2002). The group consist of a number of gram positive bacteria which include the genera; Aerococcus‚ Bifidobacterium‚ Carnobacterium‚ Enterococcus‚ Lactococcus

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    Double-J (DJ) stenting is the commonest procedure performed in urology. Patients with stent‚ develop stent infections and stent-related symptoms. Use of antibiotics in patients with DJ stent is rampant. No uniform data is there to prove advantage of antibiotic prophylaxis. Colonial way of life of microorganisms‚ complex microbial assemblages are responsible for formation of biofilm. Both gram positive and gram negative bacteria produces biofilm. Biofilm is an important virulence factor and is main

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    IDENTIFYING GRAM POSITIVE COCCI As mentioned in Exercise 8‚ “Identifying Gram Negative Rods”‚ identifying bacteria is a common activity in the microbiology lab. Like the game Clue™‚ each time you gather a piece of information to solve the mystery‚ you gather some information that supports some identities and eliminates others from contention. In the lab‚ the process continues as you gather more information until only one microbe remains and all others have been eliminated as possibilities. Thus

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