general comments about the microbial world supplemental instruction designed by pyeongsug kim ©2010...
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General Comments about the General Comments about the Microbial WorldMicrobial World
Supplemental instruction
Designed by Pyeongsug Kim ©2010 [email protected]
Picture from http://blogs.newamericamedia.org/photo-of-the-day/294/vaccine
Fall 2010
For Dr. Wright’s Bio 7/27 Class
Updated: August 7, 2010
Designed by Pyeongsug Kim, ©2010 www.science-i.com
Microbes are too small to see…
Picture from http://www.dreamstime.com/stock-photo-germs-under-the-microscope-image3131800 http://www.babble.com/CS/blogs/strollerderby/archive/2008/04/28/cdc-flu-plus-infection-killing-kids.aspx
sometimes makes us sick.
Some are nasty!
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Some are useful!
Some are delicious!
Picture from http://www.jgi.doe.gov/News/news_10_17_06.html http://www.dailymail.co.uk/health/article-468890/Are-vaccines-waste-time.html http://www.westone.wa.gov.au/k-12lrcd/learning_areas/bio_science/bio1B/content/001_ecosystems/page_02.htm
We cannot live without them!
•Electron microscopes
Development of light microscopesDevelopment of light microscopes-Important tools for studying microbes.-allowing for observation of microorganisms.-contributed to the study of microbiology.-MicroscopyMicroscopy : made it possible to visualize microbes and subcellular structures.
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•Light microscopes
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Pure culture techniquesPure culture techniques- grow an organism in an isolated laboratory environment.-To identify and study the function of a particular species.
Picture from http://diverge.hunter.cuny.edu/~weigang/Lecture-syllabus.html
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Picture from http://blogs.newamericamedia.org/photo-of-the-day/294/vaccine http://www.cleveland.com/darcy/index.ssf/2009/10/obama_gets_vaccine_shot_editor.html
Development of vaccineDevelopment of vaccine-Protection from disease by stimulating the immune system with a harmless version of a pathogenic organism. -began with smallpox
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AntimicrobialsAntimicrobials-Chemicals that can inhibit the growth of microbes or kill microbes. -Chemotherapeutic agents that are effective in treating to treat microbial infections.-Antibiotics antimicrobial chemicals naturally produced by particular microorganisms.-Penicillin from fungi
Picture from http://www.inspectapedia.com/sickhouse/MicroscopicMold.htm http://commons.wikimedia.org/wiki/File:Penicillin_cures_gonorrhea.jpg
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PlasmidsPlasmids
Picture from http://en.wikipedia.org/wiki/Plasmid http://en.wikipedia.org/wiki/Bacterial_conjugation http://science.howstuffworks.com/environmental/green-science/color-coded-bacteria1.htm
-DNA molecule that is separate from chromosomal DNA.-transferable genetic elements from one to another organism. ConjugationConjugation-Most found in bacteria.-contributed to the ability to produce genetically engineered organisms.
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Nutrient cyclingNutrient cycling“Life on earth as we know it would not exist without the activity of microbes.”-Chemicals like nitrogen(N), phosphorus(P) and sulfur(S) are chemically modified in the environment by microbesmicrobes. all living things need N, P, & S.
Picture from http://jrussey.atspace.com/Class_4/ecosystems/Ecosystem_Cycles.htm