Project 1: Antimicrobial Activity of Soil Isolates John Franklin Farrar Department of Biology and Microbiology and Biology Address BOX 22750 BOWEN HALL‚ RALEIGH‚ NC‚ 27607 Abstract: Isolation and characterization of microorganisms is a practice that aids in Increasing ones knowledge of a laboratory setting and it helps improve on Using sterile technique. Isolates of soil microbes can be categorized and Characterized based on a number of criteria ranging from gram-staining
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people who contract it had contact with cats or kittens. People who have a normal immune system the disease is not a serious illness. Bartonella henselae is the bacterium that causes cat scratch disease Bartonella henselae is a small gram negative- bacillus. It is an aerobic organism ~1µm in length and ~ 0.5 µm in diameter‚ that occasionally takes a slightly curved shape. It makes small jerking movements in the fresh state‚ but has no whips.1 Optimal growing conditions are blood (5%)‚ moist atmosphere
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internal metabolism10. This offers stability‚ ability to regenerate cofactors‚ reusability and ease of solid-liquid separation. Individual researchers have performed whole cell immobilization on Streptomyces griseus‚ Microbacterium liquefaciens‚ Bacillus sp.‚ Pseudomonas and serratia marcescens‚ a possible indication that this technique is as capable as the enzyme immobilization7. Furthermore‚ whole cell immobilization technique protects immobilized cells against potentially toxic substrate by entrapping
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to the “domain bacteria which makes it a prokaryotic‚ its Phylum is Firmicutes‚ its class is Clostridia‚ its order is clostridiales‚ its family is Peptostreptococcaceae” (Brymer). “Clostridium difficile is a spore-forming‚ Gram-positive anaerobic bacillus that produces two exotoxins: toxin A and toxin B. It is a common cause of antibiotic-associated diarrhea (AAD). It accounts for 15-25% of all episodes of AAD.” [1] The two toxins produced by C. diff are toxin A and toxin B. “Toxin A is an enterotoxin
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Results for Shigella flexneri: Test | Results | Interpretation | Gram stain | Red; small bacilli with no arrangement | Gram-negative bacillus | 3% KOH | Positive for stringing | Verifies Gram-negative | Vancomycin | No zone of inhibition | Gram-negative (vancomycin resistant) | Motility | Only the length of stub is red | Negative for motility | Indole | Yellow layer after kovac’s reagent added | Negative for tryptophanase; Indole negative
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Death” is the name that was given to a disease called the bubonic plague which was widespread during fourteenth century. The plague according to modern biomedical science was a severe infection of the lymphatic system caused by Pasteurella petis‚ a bacillus carried principally by fleas that thrive on animals‚ particularly rodents such as rats. At the beginning of the outbreak‚ the cause of the plague was attributed to bad air‚ some kind of generalized pestilential miasma (Patel‚ 2011). The Black Plague
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Expanded Program on Immunization (Approved by DOH) Vaccine | Minimum Age at 1st Dose | No. of Doses | Dose | Minimum Interval Between Doses | Route | Site | Reason | Reaction and Management | Nursing Roles and Responsibilities | Bacillus Calmette-Guérin (BCG) | Birth or anytime after birth | 1 dose | 0.05 mL | none | ID | Right deltoid region of the arm | BCG given at earliest possible age protects the possibility of TB meningitis and other TB infections in which infants are prone[3] | Pus
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The Real Deal on GM Food Labeling The Food and Drug Administration (FDA) began food labeling in the United States in 1938. It was an initial effort to protect public health through the transparency in food ingredients and their nutritional value. Today‚ with the emergence of genetically modified organisms (GMO) as food‚ another issue regarding labeling to champion consumer choice between GM and non-GM foods has been raised. But experiences of countries that adopted mandatory GMO labeling
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Chapter 1 1. The scientist usually considered the first to see microorganisms‚ which he called "animalcules"‚ was A) Redi B) van Leeuwenhoek C) Pasteur D) Tyndall 2. The idea of Spontaneous Generation postulated that A) organisms could evolve into the next generation of organisms B) organisms could spontaneously combust C) organisms could spontaneously arise from other living organisms D) living organisms could spontaneously arise from non-living material 3. The work of Tyndall
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Quiz 4 Chapter 20 1. Blood pressure in most commonly measured in the: Brachial artery 2. Exercise Modifications for individuals with hypertension include all of the follow except: isometric exercise 3. A tall basketball player has overly long extremities with hypermobile joints and a marked pigeon chest. This athlete may be at risk for marfan’s syndrome 4. Which of the following is not a sign or symptom of shock? Constricted pupils 5. Which of the following forms of syncope does not suggest a serious
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