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. Microbes are organisms that we can not see without using a microscope. The major groups of microbes:  Eubacteria  Archeobacteria  Protozoans 

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Presentation on theme: ". Microbes are organisms that we can not see without using a microscope. The major groups of microbes:  Eubacteria  Archeobacteria  Protozoans "— Presentation transcript:

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4 Microbes are organisms that we can not see without using a microscope. The major groups of microbes:  Eubacteria  Archeobacteria  Protozoans  Fungi  Viruses http://www.bact.wisc.edu/Bact303/MajorGroupsOfProkaryotes

5 “True Bacteria” Three basic shapes coccibacillispirilla http://www.bact.wisc.edu/Bact303/MajorGroupsOfProkaryotes

6 Streptococcus pyogenes Causes Strep throat http://www.bact.wisc.edu/Bact330/lecturespyo

7 The spirochete Treponema pallidum Causes Syphilis http://www.bact.wisc.edu/Bact330/lecturesyphilis

8 Borrelia burgdorferi FA stain (CDC) Causes Lyme disease.. Ticks are the carriers. http://www.bact.wisc.edu/Bact330/lecturelyme

9 Stained with violet dye Treated then with Iodine Rinsed with alcohol Stained again with Safranine purple pink Gram negative Gram positive Stains work differently with different cell walls

10 A Gram positive rod is Bacillus cereus. This bacteria is one of a group of gram postive rods which are aerobic, ubiquitous and form endospores.Because its spores are heat resistance, they are difficult to kill. Toxins may be produced. Food spoilage is a favorite of these organisms http://www-micro.msb.le.ac.uk/Video/Bcereus.html

11 “Ancient Bacteria” Thermacidophiles Methanogens Halophiles Boulder Springs, Yellowstone http://www.bact.wisc.edu/Bact303/ b12

12 http://www.bact.wisc.edu/Bact303/b12 http://www-micro.msb.le.ac.uk/Video/video.html http://biology.nwc.cc.wy.us/biology/b1010lab/bactyp es.htm http://www.kent.k12.wa.us/staff/kloschky/MoneransFol der/eubacteria.html http://www.uwinnipeg.ca/~simmons/virtual.htm

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