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18 Cards in this Set
- Front
- Back
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Microbiology
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the study of microorganisms
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Microorganisms
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Forms of life that are too small to be seen with the unaided eye; mostly unicellular or non-cellular & ubiquitous
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6 major groups of Microorganisms
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1. Bacteria
2. Archaea 3. Fungi 4. Protozoa 5. Algae 6. Viruses |
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5 sub-disciplines of microbiology
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1. Bacteriology
2. Virology 3. Mycology 4. Immunology 5. Protozoology |
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Bacteriology
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The study of bacteria
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Virology
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Study of viruses
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Mycology
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Study of Fungi
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Immunology
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study of the immune system; interaction between host and microbe
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Protozoology
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the study of protozoa
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Animalcules
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associated with Leeuwenhoek
Looked at these with a simple lens Most likely were bacteria and protozoa |
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Three important things about animalcules and cells
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1. Discovery of the 2 / 3 domains of life
2. Evidence Cell theory and bio genesis 3. Germ theory of disease |
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Modern Cell Theory
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1. All living things are composed of one or more cells
2. All cells are derived from pre-existing cells |
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Variolation
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By Edward Jenner
He took pus from smallpox infected individuals and put it in healthy individuals |
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Koch's 5 Postulates of Disease
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1) Organism must be present in every case of disease
2) Organism must be isolated and grown in pure culture 3) Healthy test animal must be infected with the organism 4) Healthy test animal must come down with the same disease 5) Identical organism is isolated again |
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Golden Age of Microbiology (1857-1914)
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Discovery of...
1) Fermentation 2) Pasteurization 3) Isolation & Identification of many bacteria |
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Fermentation
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- Pasteur
- Yeast (L.O) convert sugar to alcohol in absence of air |
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Pasteurization
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Heating wine destroyed microbes that caused spoilage
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Relevance of Microbiology today
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1) Infectious diseases and medicine
2) Microbial Ecology 3) Food, medicine, and commodities production 4) Biotechnology 5) Bio-terrorism |
