Bacillus thuringiensis Bacillus thuringiensis is a universal‚ gram-positive‚ vegetative‚ spore-forming bacterium that is rod shaped and varies between 2–5 µm long and about 1.0 µm wide . Bt consists large rods with slightly curved ends and forms a parasporal crystal during the stationary phase of its growth cycle . Occurring in pairs or short chains‚ Bt is also motile with peritrichous flagella and non-caspulated . Bt belongs to the family of bacteria‚ Bacillus cerus (B. cerus)‚ which produces
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more specific the testing is the better and the easier it is to interpret the results. Numbers and types of bacteria that should be a cause for concern depends upon several factors‚ including the type of bacteria present and the type of samples. Escherichia coli are one of the main species of bacteria living in the lower intestines of mammals. E.coli can be found in the intestinal tract of warm-blooded animals. The presence of E.coli in foods is considered to be an indication of fecal contamination
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Biology June 13‚ 2011 E. coli Levels in the Finley River and the Possible Effects on the Recreational Users. Significance: E. coli ‚ short for Escherichia coli‚ is a class of bacteria found naturally in the intestines of humans and other land dwelling animals (6). It is part of a group of bacteria known as coliform. There are hundreds of known strains of E. coli. Most are harmless. Some however‚ such as E. coli O157:H7‚ can cause severe infection which can often cause
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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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into food and water also absorbed or injected in the skin. Some common biological agents that are heard in the news and also used in warfare include Anthrax‚ Cholera‚ Clostridium Perfringeus Toxin‚ Meliodosis idosis‚ and Staphylococcal. Anthrax (Bacillus anthracis) develops when a bacterial organism from infected animal tissues becomes deposited under
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Did you know‚ food poisoning has increased dramatically in the last ten years? This makes it much more important for vigilance by food businesses. Since 1965 the cases of food-borne illness has increased from 20‚000 to just short of 100‚000 now. There has been no single reason identified to why this number has increased‚ but this could be because of: Changes in eating habits‚ a greater reliance on re-heated food. Eating out is much more popular now‚ so more people are aware of food hygiene‚ therefore
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Microbiology-2460 Lab-003 March 31‚2008 Lab Report-Escherichia coli Abstract The purpose for this lab report was to identify and inform of an unknown bacteria that has been causing a patient to have lower abdominal and pelvic pain. To obtain the identification of this unknown bacterium‚ several biochemical tests needed to be performed in order to prescribe the correct medication to treat and cure the symptoms. Introduction In a lab today‚ I am to identify an unknown bacterium that is
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whom you have spoken to‚ met the nurse Monday asking her to excuse him from PE for the week‚ she informed him that a doctor’s note was needed for a request lasting more than three days. Jerry took Luke back to the doctor and was told that Luke had Mycoplasma‚ the doctor wrote him a prescription for an antibiotic‚ a pass to discontinue PE for the week‚ and his diagnosis. Jerry came back to the school that day met with the nurse giving her the diagnosis‚ an excuse for P.E class‚ along with showing the
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2: To prepare concrete using the cement and solution (bacterial) in optimum ratio and checking its effectiveness from strength and durability perspective. Till now Stage 1 is partially over: We have made use of this bacterial solution(Emulsion: Bacillus culture+ nutrient broth+ sucrose+ urea+ calcium chloride+ antifungal agent(griseofulvin)to heal the existing cracks in the concrete walls. For achieving high 7 days we have made use of bacterial solution in some fixed proportion with water. The
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Cause Bacterial meningitis can become serious even causing death in as little as a couple of hours. Those who are affected by this disease can recover for it. However‚ those who are unfortunate may have permanent disabilities including: hearing loss‚ brain damage‚ learning disabilities‚ etc. caused by the infection. There are a number of bacteria’s that result in meningitis such as: streptococcus pneumoniae‚ group B streptococcus‚ Neisseria meningitides‚ Haemophilus influenza‚ and listeria monocytogenes
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