Production from the plant Lantana camara Project Summary The purpose of this experimental procedure is targeted to find a novel bacterium from the soil of Lantana camara that can be used in the dental field to kill or stop the growth of the Streptococcus mutans bacteria. The experimental procedure is to take place over a time frame of ten weeks conducted by a student team of four. The proposed methodology to take place is to cultivate and purify isolates from the soil‚ find antibiotic isolates‚ isolate
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inside the root canal after biomechanical procedures was presented in table1. All the irrigants significantly reduced bacteria in comparison with positive control group (P< 0.01). The average reduction of bacteria in the presence of E.galbie did not have any significant difference with 2.5% NaOCl‚ CHX 2%‚ CHX 0.2% and M.communis L. (P > 0.05). The average reduction of bacteria in the presence of M.communis L. was significantly less than other groups except E.galbie and 0.2% CHX. Table1. Overall
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The world is exist with germs of all kinds especially viruses and bacteria. Most of the time human bodies do a wonderful job of fending off these microbes. This sort of self-defense is due to the immune system‚ which detects any pathogen also known as disease-causing agent and attacks it with immune foot soldiers including macrophages‚ lymphocytes and phagocytes. Specifically‚ over 700 different strains of bacteria have been discovered in the human mouth‚ though most people are only host to 34 to
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IDENTIFYING GRAM POSITIVE COCCI As mentioned in Exercise 8‚ “Identifying Gram Negative Rods”‚ identifying bacteria is a common activity in the microbiology lab. Like the game Clue™‚ each time you gather a piece of information to solve the mystery‚ you gather some information that supports some identities and eliminates others from contention. In the lab‚ the process continues as you gather more information until only one microbe remains and all others have been eliminated as possibilities. Thus
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Adherence • Adhesins/ligands bind to receptors on host cells • Glycocalyx: Streptococcus mutans • Fimbriae: Escherichia coli • M protein: Streptococcus pyogenes • Form biofilms How bacterial pathogens penetrate host defense • • • • • • Capsules Cell wall components Enzymes Antigenic variation Penetration into the host cell cytoskeleton; invasin Intracellular growth Capsules • Prevent phagocytosis Streptococcus pneumoniae Haemophilus influenzae Bacillus anthracis Cell Wall Components
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Final Program and Abstracts 6th ASM Conference on Biofilms September 29 – October 4‚ 2012 Miami‚ Florida © 2012‚ American Society for Microbiology 1752 N Street‚ N.W. Washington‚ DC 20036-2904 Phone: 202-737-3600 World Wide Web: www.asm.org All Rights Reserved Printed in the United States of America ISBN: 978-1-55581-876-0 Table of Contents ASM Conferences Information....................................... 2 Conference Organization........................................
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regularly for a checkup and cleaning. After you eat the sugar on your teeth make the bacteria go crazy. The bacteria break the sugar on your teeth down into acid that eats away tooth enamel causing cavities. To get rid of this problem you would need to brush your teeth at least twice a day. The reason that you would need to brush your teeth at least twice a day is that after you eat you need to get rid of those bacteria so you don’t get cavities. If you don’t take care of your teeth then you will have
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Study Questions: Chapter 28 1.) Archaea and Bacteria are the oldest‚ structurally simplest and most abundant forms of life. 2.) Name and describe seven ways in which prokaryotes differ substantially from eukaryotes? Unicellularity- fundamentally single-celled Cell Size- can vary (large range changes with species) Nucleoid- lack a membrane-bound nucleus but rather a nucleoid region Cell Division/Genetic Recombination- binary fission (does not use spindle) and do not have a sexual cycle Internal
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Unknown Experiment Introduction: The purpose of this experiment is to distinguish and indentify an unknown bacterium. There are several tests that can help one eliminate and narrow down the options. The most useful test‚ and the very first one done‚ is a gram stain. This test will tell whether the bacterium is gram-positive or gram-negative. After the type of gram stain is identified‚ the tester has a wide array of differentiating tests at their disposal. Based on the results from these
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to identify this unknown sample. First‚ the plate was analyzed for its hemolysis characteristics. Afterwards‚ a Gram stain was performed from a sample of the agar plate and the slide was viewed under the microscope. Once‚ the microscopic visual was captured‚ a catalase test followed. Next‚ for further data‚ MSA results were recorded‚ along with antibiotic observations of demo plates. Lastly‚ with the information gathered‚ it was identified that the unknown sample was Streptococcus salivarius.
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