Whooping Cough A. Name the bacteria that cause this childhood disease. What is its morphology? bacillus bordetella pertussis. B. pertussis is an extremely small‚ strictly aerobic‚ Gram negative‚ cocobacillus short rod. What does “Wooping Cough” mean? Pertussis is a highly contagious bacterial disease that causes uncontrollable‚ violent coughing. The coughing can make it hard to breathe. A deep "whooping" sound is often heard when the patient tries to take a breath. Describe in detail the
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the growth of bacteria‚ it is called bateriostatic. (Fundaments of Microbiology Lab Manual) The purpose of this experiment was to examine the effect different disinfectants and antiseptics‚ which are used to decrease the number of microbes‚ on Escherichia coli and Staphylococcus aureus. The effectiveness of the chemical agent was determined by the size of the zone of inhibition around the disc incubated on soft nutrient agar seeded with the two bacteria on separate plates. For E. coli‚ a gram
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INTRODUCTION a) Background of the Study Ever since man utilized various species of plants for food‚ clothing‚ as medicines‚ fibers and other useful things. In fact‚ the interaction of man and the plants led to the establishment of the so-called traditional knowledge. One should look into the potential impact of the plant which are generally rich sources of many natural products‚ and its ecological environment and the manner on how it could be utilized for significant use for human welfare
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25/10/2013 Group 1 Microbiology laboratory Abstract The lab exercises were divided into three different analysis; microscopy‚ soil microbiology and bacterial growth. The main aim of laboratory work with Escherichia coli and soil sample was to introduce students to bacterial growth in pure culture and soil microbial flora. The experiment of bacterial growth in pure culture using optical density measurement‚ plate count and DAPI direct count‚ showed that Plate
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may enter the wound from the air in the OR(operating room)‚ or from the instruments or surgeon(s) that come into contact with the wound. Skin bacteria are1 always present despite the throughness of the preparation of the skin. The largest inoculums of bacteria at the surgical site occur when the operation involves a body structure that ordinarily is heavily colonized by bacteria‚ such as the bowel. Procedures involving the female genital tract will encounter 106 – 107 bacterial/ml. 29
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ABSTRACT The aim of this study was to investigate the activity of (28%) ethanolic extract propolis (EEP) of [Bazian‚ Pshdar‚ Sharbazher‚ Khormal‚ Kanakawa and Sulaimani (city center)] against (Staphylococcus aureus‚ Staphylococcus epidermidis‚ Escherichia coli‚ Pseudomonas aerugenosa‚ Klebsiella pneumoniae‚ Proteus mirabilis and yeast Candida albicans). Two methods were employed for propolis activity evaluation; firstly by agar well diffusion method using 40µl of propolis extracts and ethanol 70%
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micro-organism is a very small organism; the most common micro-organisms are bacteria‚ fungi and protozoa‚ which have been found across the earth for over 3.8 billion years. The name of the micro-organism that I am researching is E coli‚ which is short for Escherichia coli‚ E. coli diverged around 102 million years ago‚ E coli is a common type of bacteria that can get into food‚ like beef and vegetables. E coli is dangerous because it is damaging to the kidneys and other organs responsible for removing toxins
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International Journal of Food Microbiology 71 Ž2001. 1–20 www.elsevier.comrlocaterijfoodmicro Review article Bacteriocins: safe‚ natural antimicrobials for food preservation Jennifer Cleveland a ‚ Thomas J. Montville a ‚ Ingolf F. Nes b‚ Michael L. Chikindas a‚ ) a Department of Food Science‚ Rutgers‚ The State UniÕersity of New Jersey‚ 65 Dudley Road‚ New Brunswick‚ NJ 08901‚ USA b Laboratory of Microbial Gene Technology‚ Department of Biotechnological Sciences‚ Agricultural UniÕersity
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Diagnosis of latent TB relies on the tuberculin skin test (TST) and/or blood tests. Antibiotic resistance is a growing problem in multiple drug-resistant tuberculosis (MDR-TB) infections. Prevention relies on screening programs and vaccination with the bacillus Calmette–Guérin vaccine. One third of the world’s population is thought to have been infected with M. tuberculosis‚ with new infections occurring in about 1% of the population each year.[4] More people in the developing world contract tuberculosis
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REVIEW SHEET‚ EXAM 3 Chapter 6‚ Nutrition and Microbial Growth Define the four major modes of nutrition in microorganisms and distinguish among them in terms of energy and carbon sources The four major modes of nutrition are: 1. Photoautotrophs: (ex. Plants‚ some protozoa‚ & alegae) -microorganism which use carbon dioxide as a carbon source and light energy from the environment to make their own food. 2. Chemoautotrophs: -microorganism which uses carbon dioxide as a carbon source and
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