Themes in Microbiology Themes in Microbiology Sofronio Agustin Professor Sofronio Agustin LECTURES IN MICROBIOLOGY LECTURES IN MICROBIOLOGY LESSON 1 LESSON 1
Topics Covered Topics Covered Scope of Microbiology Importance of Microorganisms Characteristics of Microorganisms History of Microbiology Taxonomy
Scope of Microbiology Scope of Microbiology Microbiology study of organisms too small to be seen by the naked eye. Microbes or Microorganisms commonly referred to as “germs” or “bugs” include bacteria, viruses, fungi, algae, protozoa and helminths. Prions (“infectious proteins”) are recent addition.
Branches of Study Branches of Study Bacteriology study of bacteria Mycology study of fungi and yeast Virology study of viruses Parasitology study of parasitic protozoans and helminths Immunology study of the humoral and cellular immune response to disease agents and allergens
Epidemiology and Public Health Microbiology distribution and spread of diseases and their control and prevention Food Microbiology use of microbes in the production of food products and drinks Agricultural and Veterinary Microbiology use of microbes to increase crop and livestock yield and control of plant pests and animal diseases Environmental Microbiology study of the beneficial and harmful effects of microbes on the environment Specializations in Microbiology Specializations in Microbiology
Importance of Microbiology Importance of Microbiology First bacteria Photosynthesis and decomposition Human use of microorganisms Infectious diseases
The Progenote The Progenote Evolutionary Timeline: Bacteria appeared 3.5 billion years ago
Photosynthetic Microbes Photosynthetic Microbes Microbes are involved in photosynthesis and accounts for >50% of earth’s oxygen. Also involved in decomposition and nutrient recycling.
Beneficial Uses of Microbes Beneficial Uses of Microbes Extraction of copper from ore
Beneficial Uses of Microbes Beneficial Uses of Microbes Synthesis of drugs, hormones and enzymes
Beneficial Uses of Microbes Beneficial Uses of Microbes Bioremediation is the use of microbes to degrade organic matter in sewage and detoxify pollutants such as oil spills.
Modern Uses of Microbes Modern Uses of Microbes Biotechnology , the use of microbes as miniature biochemical factories to produce food and chemicals is centuries old. Genetic engineering makes use of molecular biology and recombinant DNA techniques as new tools for biotechnology.
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