Identifying the Unknown Bacteria: Bacillus cereus Brittany Moy Coastline Community College Abstract Bacillus cereus is a Gram-positive‚ facultative aerobic‚ spore-forming‚ rod-shaped bacterium that is widely distributed among the environment. Introduction The reason for identification of unknown bacteria was to help students recognize different bacteria through different biochemical tests and characteristics. This is important in the medical field because identification of unknown bacteria
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CHAPTER 1 INTRODUCTION 1.1 PRELIMINERIES Due to highly development of chemical and biochemical industries‚ acetic acid has largely produced to fulfil the needs of world demand in production of daily used products and for pharmaceutical needs. Therefore‚ this study is carried out to introduce the production of acetic acid using biological pathways which includes the used of microorganisms. In this chapter will briefly explained on the knowledge about acetic acid and the microorganism
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Systematic Identification of Bacillus subtilis and Serratia marcescens Through a Battery of Tests and Plates Introduction: The purpose of this experiment was to use a systematic battery of tube tests and plates designed to lead to identification of two unknown bacterial species‚ from the combination of all results. A sample of bacteria was used‚ labeled “Sample 4”‚ from which both species was to be obtained‚ one gram positive and one gram negative. Table 1 is a list of the possible bacteria to
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newest innovations in medicine but there is still yet to be a perfect ideal antibiotic. In this experiment six antibiotics will be tested to determine which is the most effective on gram-negative bacterium Escherichia Coli and gram-positive bacterium Bacillus Cereus. In previous class experiments‚ gram-staining was conducted to determine the qualities of gram-positive
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Optical Technologies: The Medical All-Rounder Called Light According to the German industry association‚ Spectaris‚ the second largest market for optical technologies in Germany is the medical technology segment. In 2005‚ 2.9 billion Euros of annual turnover was generated in Germany‚ which includes eyeglass lenses‚ microscopes and laser as well as diagnostic scanner for the laboratory. Estimates for the area endoscopes and supplies state that the turnover regarding the international market will
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A review of the contemporary knowledge of bovine tuberculosis and government policy in Iran Keyvan Tadayon a‚b‚ Ken Forbes b‚ Davoud Soleimani c‚ Reza Aref Pajoohi a‚ Bahman Marhmati c‚ Jamaloddin Javidi c‚ Rouholah Keshavarz a‚ Kioomars Soleimani a‚ Ali Shakibamehr a‚ Mohammad Mohammad Taheri a‚ Shojaat Dashti Pour a‚ Nader Mosavari a‚* a Razi Vaccine & Serum Research Institute‚ Karaj‚ Iran b Medical Microbiology Department‚ Medical School‚ Aberdeen University‚ Aberdeen‚ Scotland‚ UK c Iranian
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will gain drought tolerance as well. Not only can genes be transferred from one plant to another‚ but genes from non-plant organisms also can be used. The best known example of this is the use of B.t. genes in corn and other crops. B.t.‚ or Bacillus thuringiensis‚ is a naturally occurring bacterium that produces crystal proteins that are lethal to insect larvae. B.t. crystal protein genes have been transferred into corn‚ enabling the corn to produce its own pesticides against insects such as the European
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drought and herbicide resistant crops. Through genetic engineering‚ scientists have been able to introduce traits into existing genes to make crops resistant to drought and herbicides. One good example is the use of Bacillus Thuringiensis‚ commonly known as Bt. Bacillus Thuringiensis‚ is a bacterium that dwells in soil. It acts as a reservoir “of cry toxins and cry genes for production of biological insecticides and insect-resistant genetically modified crops.” How has gene technology benefited
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important in agriculture. It converts nitrogen in air into compounds usable by plants for growth and development. The same being done by the Rhizobium group of bacteria. They are present in the root nodules of legumes. ● Certain bacteria‚ like Bacillus thuringiensis‚ have been developed into a microbial pesticide. It is used to control pests and insects carrying disease-causing BAD BACTERIA LEPTOSPIROSIS Did you hear about the
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INTRODUCTION: Molecular biology began more than 40 years ago with Watson and Crick‘s discovery of the double helix structure of deoxyribonucleic acid DNA and that continued with Cohen and Boyer’s. This discovery of the techniques that called as biotechnology nowadays has had an enormous impact on the nature of research and development. This technique has potential to generate great benefits in improved of human life by through of many applications which play role in improvements of medicine‚ agriculture
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