research involved the occurrence of genetic transformation in bacteria (E. Coli). More specifically‚ a previously prepared pGLO plasmid--which consisted of the gene to be cloned--was used to transform non-pathogenic bacteria. The pGLO plasmid contained a gene for the Green Fluorescent Protein (GFP) from a bioluminescent jellyfish and a gene for resistance to ampicillin‚ an antibiotic. Essentially‚ we wanted to determine the conditions of the bacteria that would glow. Our hypothesis was that the transformed
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on earth and about 130 years ago the first microbe was discovered” (Crawford ix). Microorganisms are the simplest and smallest form of living things on earth and they are very powerful. Microbes can be used for ecological purposes‚ some are also pathogenic and others have helped in the medical field to create antibiotics. The author‚ Dorothy H. Crawford is Professor of Medical Microbiology and Assistant Principal for the Public Understanding of Medicine at the University of Edinburgh. She is also
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Cody Trezise 06 october 2011 Chain of infection & how bacteria grow. Reference: http://faculty.ccc.edu/tr-infectioncontrol/chain.htm In this essay I am going to be describing and explaining n about how pathogenic organisms grow and spread‚ by explaining each stage of the chain of infection‚ step by step and what they involve. This representive is used to help us understand the infection progression. A circle of linked components represent what happens in the cycle of infection
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agents which either kill or prevent the growth of microorganisms. Agents that kill cells are called cidal agents; agents that inhibit the growth of cells without killing them are called static agents. Thus the term bactericidal refers to killing bacteria‚ and bacteriostatic refers to inhibiting the growth of bacterial cells. Sterilization is the complete destruction or elimination of all viable organisms in or on an object. There are no degrees of sterilization; an object is either sterile or it
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human respiratory tract and on the skin. Red-color dye can bind specifically to the peptidoglycan molecule‚ Gram positive cell can be stained better. Gram-positive bacteria have a thick mesh-like cell wall made of peptidoglycan (50–90% of cell envelope)‚ and as a result are stained purple by crystal violet‚ whereas gram-negative bacteria have a thinner layer (10% of cell envelope)‚ so do not retain the purple stain and are counter-stained pink by the Safranin. There are four basic steps of the Gram
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Escherich originally named the bacteria‚ bacillus communis coli. After the demise of Dr. Escherich the intestinal bacteria was then named Escherichia coli after the late doctor in 1919. The bacteria Escherichia coli are classified as follows. Domain- Bacteria Kingdom- Eubacteria Phylum- Proteobacteria Class- Gammaproteobacteria Order- Enterobacteriales Family- Enterbacteriaceae Genus- Escherichia Species- E. coli Escherichia coli is a heterotrophic bacteria that is most commonly found within
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3D shield solution. We carry 4 different products‚ 1. coatings (applied as is)‚ 2. biodegradable anti-pathogenic solution (applied as is for fumigation and diluted for humidifiers)‚ 3. biodegradable cleaner (diluted) 4. biodegradable foliar fertiliser for agroindustry (diluted). Registrations 1. coatings (CFIA registered for use in food processing plants) 2. biodegradable anti-pathogenic solution (approved by EPA from NZ) 3. biodegradable cleaner and biodegradable foliar fertiliser (are new
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classified as follows: Bacteria: minute organisms about one-thousandth to five-thousandths of a millimetre in diameter. They are susceptible to a greater or lesser extent to antibiotics. Viruses: much smaller than bacteria and although they may survive outside the body for a time they can only grow inside cells of the body. Viruses are not susceptible to antibiotics‚ but there are a few anti-viral drugs available which are active against a limited number of viruses. Pathogenic Fungi: can be either
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Abstract: The focus of this experiment was to identify unknown bacteria provided. The identification of unknown bacteria is beneficial in many aspects of the research of microorganisms and also aids physicians to treat patients correctly. Various tests were performed to provide the fermentation abilities‚ presence of particular enzymes‚ and biochemical reactions. Qualitative observations were made on the tests in identification process. The data from experimentation provided sufficient results
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between both infection and colonisation and pathogenic and non pathogenic organisms‚ the areas of infection and the types caused by different organisms. In addition‚ the learner will understand the methods of transmission‚ the conditions needed for organisms to grow‚ the ways infection enter the body and key factors that may lead to infection occurring. Credit Level 2 2 Assessment criteria The learner can: 1.1 Identify the differences between bacteria‚ viruses‚ fungi and parasites 1.2 Identify common
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