Biology was fascinated me tremendously particularly when I was introduced to field of microbiology. I used to wonder how these primitive microbes grow and communicate with each other. Theoretical knowledge of microbiology grabbed my attention and made me curious about these tiny microbes which we cannot be seen through our naked eyes. Therefore I decided to pursue my higher studies and specialisation in microbiology. I started my graduation
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virility‚ still immunity Lister ¡V aseptic surgery (phenol on surgical wounds) Koch ¡V cause of anthrax (Bacillus anthracis) ¡V bacteria in blood‚ injected into healthy‚ died‚ compared bacteria Jenner ¡V vaccines (cowpox provided immunity against small pox) ¡V milk maids Erlich ¡V ¡§magic bullet¡¨; salvarsan against syphilis Fleming ¡V Penicillium chrysogenum inhibited bacteria growth in plate Beadle & Tatum ¡V one gene one enzyme hypothesis Avery‚ MacLeod & McCarty ¡V DNA = hereditary material Tatum
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Abstract Some bacteria are able to go through transformation making new combinations of genes. Transformation is a way of gene variability in bacteria. This experiment is based on the transformation mechanism of bacteria and gene regulation. The bacteria used for the experiment was Escherichia coli and the genes introduces for the transformation were: gfp and bla by a pGLO™ plasmid. After the insertion of the target genes and growing the bacteria on specialized LB media‚ it could be seen that the
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Oxygen Requirements of Bacteria BACKGROUND The GasPak system is useful for culturing anaerobic bacteria on standard microbiological media because the GasPak generates carbon dioxide and hydrogen. The hydrogen will combine with oxygen present in an anaerobic jar to produce water. This system can reproducibly attain oxygen levels in the parts per million range if used correctly. This is the best method for determining the oxygen requirements of unknown organisms. A candle jar is useful
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Microbiology is involved in many aspects of human daily life. The food eaten to the showerheads in the bathroom contain thousands of microbes. Microbiology is evident in our lives and it is reported through various media. News reports have articles about microbes just like a recent article from Times Magazine titled Overcoming Obesity by Alex Park. Park featured article is about the problem of obesity in America and how different scientists are thinking of new manners to combat this epidemic
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Microbiology in the News: Fecal Transplants Zimmer’s article on fecal transplants (2016)‚ discusses how the effectiveness of transporting healthy stool to sick individuals has led to a series of unanswered questions and beliefs. For years scientists were unsuccessful in finding a use for this type of treatment. The breakthrough came about during a trial experiment using the procedure to treat a serious bacterial infection; Clostridium difficile. Clostridium difficile is a bacterium that causes
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The Unknown can take the form of anyone‚ anytime‚ or anyplace‚ that feeling you get that makes you uncertain about your future‚ is fear. Fear can be disguised as many other emotions such as anxiety or anxiousness. “Butterflies” do not exist; they are really the fear of not knowing how the immediate upcoming events will turn out or affect you and everyone close to you. There is no such thing as thinking you know something‚ there is simply knowing and not knowing‚ therefore resulting in the fear
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Microbiology Exam 1 Name_______________________ 1/30/07 1. (1 pt) Who was the first person to observe bacteria using a microscope? a. Lister b. van Leeuvenhoek c. Pastuer d. Koch 2. (2 pts) Which two of the following contribute to the opportunistic and infectious nature of bacteria? a. flagella b. ability to persist in unfavorable environments c. selectively permeable membranes d. fast growth e. ability to sense chemical gradients f. peptidoglycan 3. (1 pt) Capsules‚ sheaths‚ and
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An Unknown Girl In the poem ‘An Unknown Girl’‚ Moniza Alvi uses poetic techniques such as metaphors‚ personification‚ alliteration‚ repetition and similes in order to depict her struggles in rediscovering her cultural identity. Along with references to India and the scenery surrounding the narrator‚
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The Unknown Girl By Moniza Alvi The title ‘unknown girl’ may suggest that the poetess is in search of her roots‚ culture‚ traditions and heritage. She is unknown to her country‚ the place from where she belongs. She is trying to find out more about her home-country. This poem is a first-person narration from the poetess’ point of view. It us a free verse‚ autobiographical poem which is written in a single stanza containing many local dialects‚ for instance‚ ‘bazaar’‚ ‘hennaing’‚ ‘kameez’ and
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