The Diverse Applications of Microbiology

140 microbiology n.w
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Explore the wide scope of microbiology, including its impact on medicine, agriculture, food science, ecology, genetics, biochemistry, immunology, and more. Discover the roles of medical microbiology, agricultural microbiology, food and dairy microbiology, industrial microbiology, genetic engineering, taxonomy of microorganisms, and the classification system based on the three domains of life.

  • Microbiology
  • Medicine
  • Agriculture
  • Genetics
  • Biochemistry

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Presentation Transcript


  1. 140 Microbiology Introduction 2 Lecture 2 6-9-2015

  2. Scope of Microbiology: Microbiology has an impact on medicine, agriculture, food science, ecology, genetics, biochemistry, immunology, and many other fields.

  3. Medical Microbiology: Deals with diseases of humans and animals; identify and how to eliminate agents causing infectious diseases. Agricultural Microbiology: Impact of microorganisms on agriculture; combat plant diseases that attack important food crops.

  4. Food and Dairy Microbiology: Prevent microbial spoilage of food & transmission of food-borne diseases (e.g. salmonellosis); use microorganisms to make food such as cheeses, yogurts, pickles, beer, etc.

  5. Industrial Microbiology: Using microorganisms to make products such as antibiotics, vaccines, steroids, alcohols & other solvents, vitamins, amino acids, enzymes, etc.

  6. Genetic Engineering: Engineered microorganisms used to make hormones, antibiotics, vaccines and other products.

  7. Taxonomy of microorganisms Taxonomic categories Life Domain Kingdom Phylum Class Order Family Genus Species

  8. Classification of microorganism The Domain system was developed by Dr. Woese. The basis of the Domain system is the rRNA sequence information.

  9. This classification depends on dividing the living Organisms into 3 Domains (1978 Carl Woese) 1. Bacteria Unicellular prokaryotes with cell wall containing peptidoglycan 2. Archaea Unicellular prokaryotes with no peptodoglycan in cell wall

  10. 3. Eukarya Protista Fungi Plantae Animalia

  11. Domain: Archaea Prokaryotic Lack peptidoglycan Often live in extreme environments Not known to cause disease in humans or animals Had been considered bacteria until examination of their unique rRNA sequences.

  12. -Includes: Methanogens Extreme halophiles Extreme thermophiles

  13. Size of microorganisms

  14. To Study microorganism 1- Microscope, simple microscope, compound microscope, EM 2- Centrifugation 3- Filtration: Membrane filter, Chamberland filter, Berkefeld filter. 4- Staining: simple stain, complex stain

  15. Microscope

  16. Complex Stain Simple Stain Special Stain Differential Stain Gram Stain Capsule Stain Crystal violet Methylene Blue Malachite green Safranin Endospore Stain (Schaeffer-Fulton endospore Stain) Acid-Fast Stain Flagella Stain

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