1. HISTORICAL BACKGROUND LEADING TO DEVELOPMENT 1.1 Introduction On July 2‚ 2003‚ official agreements were finally made by the European Parliament with regards to new regulations on genetically modified food(GM). Consumer organizations and green groups are content with these results‚ as the voices of consumers are being heard over corporate interests. The United States accounts for two-thirds of bioengineered crops produced globally. Other major suppliers include Argentina‚ Canada‚ and China
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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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Title: Viability of Microencapsulated Lactobacillus acidophilus in Alginate Matrix during exposure to Simulated Gastro - Intestinal Juice ------------------------------------------------- Abstract (English) This investigation reports the effect of microencapsulation using different concentration of sodium alginate (1‚ 1‚5‚ 2%) on the tolerance of probiotic Lactobacillus acidophilus under simulated gastrointestinal environments. Microencapsulation provided better protection at simulated conditions
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crumbling down with so many lives taken and with many people overwhelming loss of life that taken place on that day. Biological weapons are intended to deliberately disseminate disease producing organisms or killing toxins in food‚ water by aerosol. Bacillus anthracis‚ the organism that causes anthrax‚ has been bandied about the media and the American public has been intrigued by stories and cases and fatalities and the next story. One agent not often discussed but every bit as horrifying as anthrax
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all humankind‚ given it’s way. With the Europeans trading with the East‚ a rumor was being spread that an infectious disease was forming in Asia. In Jordan McMullin’s book‚ “The Black Death”‚ he discusses‚ “By September of 1345‚ the Yersinia pestis bacillus‚ probably carried by rats‚ reached the Crimea‚ on the northern coast of the Black Sea‚ where Italian merchants had a good number of trading colonies.” Everyone talks about how the spread of the Black Plague happened or how horrible the symptoms to
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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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