differentiated by Gram staining Gram positive: purple-blue‚ mostly peptidoglycan susceptible to penicillin Gram negative: pink-red‚ less peptidoglycan‚ has lipopolysaccharides‚ susceptible to EDTA Gram negative can be further differentiated into chlorophyllous (cyanobacteria) and achlorophyllous. Based on Gram staining Gram negative Escherichia coli Rhizobium Spirillum Pseudomonas Nostoc - cyanobacteria Oscillatoria - cyanobacteria Gram positive Staphylococcus aureus Streptococcus
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PROCEDURE: Part A (Effect of temperature on growth) 1) 15 tubes of glucose broth are provided and one set of 3 tubes are inoculated with each of the following cultures; Escherichia coli‚ Pseudomonas fluorescens‚ Micrococcus luteus and Saccharomyces cerevisiae. The last served as control. 2) One of the three tube of each culture is incubated at each of the following temperature: * 4°C * 37°C * 55°C 3) All the tubes are incubated within 5 minutes after inoculating. The turbidity
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Pets as carriers of soil inhabitant microbes into our homes GIZELL VASQUEZ Biology department‚ Pathogenic microbiology‚ Crosby Jones‚ Angelo State University‚ San Angelo‚ TX 76909 There are approximately 78.2 million owned dogs in the United States (1)‚ and according to the United States government the current population of the nation is 308.7 million. The portion of dogs to humans is 4:1. These statistics are of importance because these pets physiologically observed their environment by smell
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LAB REPORT NUMBER TWO DATE: 3/25/2010 inal attachment Lab Experiment number 11 PURPOSE: To learn the Gram stain technique‚ the reason for the stain‚ and how to identify the results of the organisms stained. MATERIALS: Bunsen burner‚ inoculating loop‚ staining tray‚ glass slides‚ bibulous paper‚ lens paper‚ oil‚ and microscope METHODS: Apply Crystal Violet (Primary stain) for 1 minute. Rinse with D-water Apply Iodine (Mordant) for 1 minute. Rinse with D-water. Apply Alcohol (Decolorize) for
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Onion (Allium cepa) Bulb‚ and Takip Kuhol (Centella asiatica) Leaves Extract as Antibacterial of Salmonella typhimurium‚ Staphylococcus aureus and Pseudomonas aeruginosa II. Table of Contents I. Title Page II. Table of Contents III. Abstract III. Abstract: Diseases and wound infections cause by the bacteria Salmonella typhimurium‚ Staphylococcus aureus and Pseudomonas aeruginosa are serious threats to the society‚ causing minor to major health afflictions. Certain medicines and health practices
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Lab Report Title Page: Determine Disinfectant and Antiseptic Effectiveness Using Zone Inhibition Method Prepared for: By: Date: Introduction Page: Abstract This study is to examine the effects of different types of disinfectants by disk diffusion method using common agents such as Betadine‚ Clorox‚ Crest‚ Kiss My Face‚ Listerine‚ and Lysol. Wound care and general cleaning of home surfaces is a part of daily activity for many of the general population. Knowing
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most common cause is Staphylococcus aureus. Mastitis is usually followed by swelling and redness of the cow’s udder. Testing for this you would use a strip cup test to see if the bacterium is present. You then take the result for this and see how bad the bacterium is‚ so then you would be able to carry out more investigations and be able to find out control methods. These methods would be hygiene and regularly cleaning the milking machines. 2.0 Introduction Staphylococcus aureus is one of the most
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microbial assay and study the antimicrobial activity. The microbes used for the testing the activities are E.coli‚ Staphylococcus aureus‚ Bacillus subtilis‚ Salmonella typhi‚ Aspergillusniger‚ Candida parapsilosis‚ Trichophyton rubrum. With different concentrations of the extracts starting from 2.5µg/ml‚ 5.0µg/ml‚ 7.5µg/ml‚ 1.0µg/ml and the highest activity is shown by Staphylococcus aureus and Candida parapsilosis. Introduction: We use natural products as therapeutic activity to protect ourselves from
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incurred by the NHS as a result of HAIs is approximately 1 billion each year (NICE‚ 2012). Acinetobacter species‚ Anaerobic Gram negative bacillus‚ Candida albicans‚ Clostridium difficile (C.difficile)‚ Coagulase negative staphylococci‚ Comamonas acidovorans‚ Enterobacter species‚ Enterococcus species‚ Escherichia coli (E.coli)‚ Extended Spectrum beta-lactamase producing Gram-negative organisms‚ Glycopeptide resistant enterococci‚ Group A Streptococcus (Streptococcus pyogenes)‚ Group B Streptococcus
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most interesting part is how they communicate. Cell communication is a central mechanism in bacteria cells because it provides examples of parasitism relationship among different organisms such as S. aureus. It gives a means to control infections through a complex mechanism which is found in Pseudomonas aeruginosa. This touches on some variety of processes‚ including genetic transfer‚ antibiotic production growth and pathogenesis. Many bacteria cells possess a unique communication system that allows
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