Streptococcus pyogenes Research paper MCB 2010C March 17‚ 2014 Nature of Causative Organism Streptococcus pyogenes‚ a group A streptococci‚ is a gram-positive‚ non-spore forming bacteria that can be seen as oval cocci chain forming shapes less than 2 micrometers in diameter under the microscope. It is a facultative anaerobe that can use fermentation for its metabolism. It needs a blood containing medium to grow and exhibits beta-hemolysis. It is a non-motile‚ nonspore forming bacterium. S. pyogenes
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AND DETEGENTS AGAINST BACTERIA BY AYAZ KHAN AC 411319 BS MICROBIOLOGY SUPERVISOR RIZWANA KAUSAR DEPARTMENT OF BIOLOGY AND ENVIRONMENTAL SCIENCE ALLAMA IQBAL OPEN UNIVERSITY H-8‚ ISLAMABAD In The Name Of Allah Almighty the Most Beneficent and Merciful
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Prokaryotes (2006) 6:197–214 DOI: 10.1007/0-387-30746-x_9 CHAPTER 3.3.9 eh T su e nG re t cab re tn o E The Genus Enterobacter FRANCINE GRIMONT AND PATRICK A.D. GRIMONT Introduction The genus Enterobacter was first proposed by Hormaeche and Edwards (1960a). However‚ the history of some species now placed in the genus Enterobacter can be traced‚ albeit with some confusion‚ to the end of the 19th century. “Bacillus lactis aerogenes” was isolated by Escherich (1885) from milk
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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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Separation can then proceed by a variety of techniques‚ including ultracentrifugation and electrophoresis on agarose gels. Among the most widespread and well-studied groups of plasmids are the resistance plasmids which confer resistance to antibiotics and various other inhibitors of growth. Today‚ there are are number of well established techniques commercially available as kits which make DNA extraction and purification easy. Although kits offer fast and reliable methods for extracting plasmid
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is known to be a notorious infection to cause foul smelling diarrhea‚ very well known to almost every healthcare worker. It is one of the most difficult infections to treat in the current healthcare industry‚ and most often related to the use of antibiotics during healthcare treatment. Clostridium Difficile is a spore-forming‚ gram-positive anaerobic toxin-producing bacterium that is a “common” inhabitant of the colon flora in human infants and sometimes in adults. Clostridium Difficile contain peptidoglycan
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Salmonella Enterica Lindsy Shellhamer Kaplan University Salmonella Enterica There is a lot to know about this bacterium. There are over 2‚500 different serotypes of Salmonella Enterica‚ for example serotype Typhimurium (Pg‚ 355) (Pommerville‚ 2011). Salmonella Enterica can cause many different infections like salmonellosis‚ typhoid fever‚ and gastroenteritis. Because of carelessness in personal hygiene‚ this kind of infection can turn into an outbreak very easily
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from the atmosphere and putrefaction. However‚ most bacteria have not been characterised‚ and only about half of the phyla of bacteria have species that can be grown in the laboratory.[5] The study of bacteria is known as bacteriology‚ a branch of microbiology. There are approximately
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My journey to the unknown started about three weeks before the end of my microbiology class at Brunswick Community College. This journey started out with a media plate cultured with an unknown species of bacteria. I was then instructed by my professor to use all of my previous knowledge to identify the unknown bacterial pathogen. This lab led me to master my skills of using the Gram stain‚ testing for catalase‚ testing for coagulase and using the oxacillin screen. Now I am going to take you with
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Kirby-Bauer Method of Antibiotic Effectiveness Purpose: The purpose of this lab was to determine the effectiveness of certain antibiotics and determine their zone of inhibition Data: Name of Antibiotic Zone of inhibition (mm) Effectiveness Streptomycin 15mm Sensitive Chloramphenicol 29mm Sensitive Novobiocin 20mm Intermediate Neomycin 13.5mm Intermediate Tetracycline 22mm Sensitive Analysis: 1. Which antibiotic was the most effective? The most effective antibiotic was Chloramphenicol
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