Gram staining From Wikipedia‚ the free encyclopedia A Gram stain of mixed Staphylococcus aureus (Staphylococcus aureus ATCC 25923‚ Gram-positive cocci‚ in purple) andEscherichia coli (Escherichia coli ATCC 11775‚ Gram-negative bacilli‚ in red)‚ the most common Gram stain reference bacteria Gram staining (or Gram’s method) is a method of differentiating bacterial species into two large groups (Gram-positive and Gram-negative). The name comes from its inventor‚ Hans Christian Gram. Gram staining
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Institutions‚ Mike Social Publishers‚ Enugu‚ Nigeria‚ Baker FJ‚ Silverton RE (1985). Introduction to Medical Laboratory Technology 6 Burrows W‚ Mouldedr JW‚ Lewert RM‚ Rippon JW (1969). Textbook of Microbiology (19 Brooks GF‚ Butel JS‚ Morse SA (2004). Javwetz‚ Melnick‚ and Adelberg’s Medical Microbiology‚ 23 Cheesbrough M (2002). District Laboratory Practice in Tropical Countries (Part ii) Britain‚ Claucas IJ‚ Ward AR (1996) Collins CH‚ Lyne PM‚ Grange GM (1989). Collins and Lyne Microbiological Methods
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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 have been learned so far in the microbiology laboratory class for the identification of an unknown bacterium. Broth culture #72 was randomly selected and subjected to qualitative tests for identification. It is suggested that culture #72 is an example of Serratia marcescens and Micrococcus
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Role for verotoxin receptor (Gb3) in B cell adhesion. Presented at the American Society of Microbiology Meeting‚ Miami‚ May 1997. Vines A‚ Swaminathan B‚ Schuchat A. Heterogeneity in the structural genes encoding listeriolysin O in three serotypes of Listeria monocytogenes that cause human disease. Presented at the American Society of Microbiology Meeting‚ Dallas‚ Texas‚ May 1991. Vines A‚ Reeves MW‚ Hunter S‚ Swaminathan B. Restriction fragment length polymorphism
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running head: UNIT 10. ASSIGNMENT Environmental Microbiology With so much advertising for various antibacterial products‚ many people have gotten the impression that all bacteria are harmful and that maybe the Earth would be better off if all bacteria were eliminated. What would life be like in a bacteria-free world? Bacteria help decay materials and put vitamins and minerals‚ and gases into the atmosphere. Without them the world would be able to produce little food. Bacteria are woven into
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Survey of Nasal Carriage of Staphylococcus aureus in Microbiology 1 Students at RMIT Aim: To determine the carriage rate of Staphylococcus aureus in the nares of students taking second year microbiology courses at RMIT. Introduction: Carriage of S.aureus is important in hospital patients‚ preoperative patients‚ hospital staff‚ food handlers etc. because it carriage of S.aureus appears to play a key role in the epidemiology and pathogenesis of infection. S.aureus can cause localized and invasive
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Physics and Chemistry. Hence I was careful in selecting different subjects at different levels of my education with this determination and huge development in the feild of Science and technology have made me choose Chemistry‚ Microbiology and biotechnology as the main subjects in a triple main course for my
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Lactic Acid Bacteria Amanda Perry Many persons are oblivious to the fact that when they consume certain delicious food products like yogurt‚ buttermilk or cheese‚ they are actually eating live bacterial biomass which has acidified the milk content and contains a mixture of bacterial slime layers. Perhaps it is a blessing that most people are unaware because when most hear the word ‘bacteria‚’ their first thought is of a microscopic unicellular organism that causes various types of diseases especially
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Bacteria Growth Requirements Microbiology Life as we now it has ended. What is left you ask? Well it is said the only thing that could survive an incident that could end our known way of life is a roach and a pack or Twinkies. In truth the great survivor would be microorganisms. Microorganisms can survive where most cannot due to their size‚ nutritional needs‚ energy requirements‚ and are very good at adapting to different environments (Black 2008). Microorganisms require two things to
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cultures were Gram stain‚ Catalase‚ Mannitol Salt Agar (MSA)‚ Blood Agar‚ Novobiocin‚ Coagulase‚ and DNAse (Alachi‚ 2007). Rebekah Worley February 21‚ 2012 Mitchell Section 4 Biol 311 Staining and Identifying Unknown Bacteria Introduction: The microbiology lab up to this point has been used to teach the students how to stain and identify bacteria. There are several types of staining through which the bacteria can be identified based on the color and shape. The staining methods used in the lab are
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