Selective and Differential Media to Grow and Identify Bacteria
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The paper reviews an experiment that aims to understand the theory behind the application of selective, enriched and differential media in identifying and growing bacteria. Furthermore, the paper uses a few examples of these different types of media to isolate and differentiate some species of bacteria. The paper describes the methods and results, and concludes with a summary of the findings of the experiment.
From the Paper:"Isolating bacteria in the form of pure cultures is very important in order to obtain individual well distanced colonies which would assist in carrying out further identification and microbiological tests on the bacteria of interest. Producing these bacterial pure cultures can be controlled by preventing or promoting the growth of other microorganisms that can be found in the surrounding area within the agar plate using some types of supplemented growth media. Usually pH indicators are included within the media so as to indicate the growth of the bacterial colony of interest and make a distinction between them and the other bacteria growing on the same media.
"Whilst media such as nutrient agar are used to support the growth of a variety of microorganisms, various other media have been particularly designed for the isolation and identification of specific microorganisms. The different types of media used to isolate, identify and grow the bacteria of interest, are selective media, differential media and enriched media."
Sample of Sources Used:
- Harisha, S. (2006).Microbiology.In An introduction to practical biotechnology, p. 158. New Delhi: Laxmi Publications (P) Ltd.
- Hogg, S. (2005). Microbial nutrition and cultivation.In Essential microbiology, pp. 87-89.West Sussex: John Wiley & Sons Ltd.
- Montville, T.J., Matthews, K.R. (2008). Factors that influence microbes in food. In Food microbiology: an Introduction, 2ndedn, p. 15. Washington, DC: American Society for Microbiology Press.
Cite this Research Paper:
Selective and Differential Media to Grow and Identify Bacteria (2013, December 09) Retrieved October 19, 2021, from https://www.academon.com/research-paper/selective-and-differential-media-to-grow-and-identify-bacteria-153757/
"Selective and Differential Media to Grow and Identify Bacteria" 09 December 2013. Web. 19 October. 2021. <https://www.academon.com/research-paper/selective-and-differential-media-to-grow-and-identify-bacteria-153757/>