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Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
Mcb lecture 2
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Mcb lecture 2

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Lecture on why we study MCB

Lecture on why we study MCB

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  • 1. MCB 1 GENERAL MICROBIOLOGY
  • 2.  
  • 3.
    • Introduction to Microbiology
    • Microbial World and You
    • Introduction to Applications: The Significance of Microbes
    • C. Historical Overview of Microbiology
    • Techniques in Microbiology
    • Microscopes and Microscopy
    • Isolating and Cultivating of Bacteria
    • Preparing Specimen for Microscope: Staining Methods
    • Controlling Microbial Growth
      • Physical Methods of Controlling
      • Chemical Methods of Controlling
    • Microbial Diversity: Place of Microorganisms in the Living World
    • Major Microbial Groups and their Basic Properties
      • Phylogeny: Classification of Microorganisms
        • Bacteria
        • Protozoa
        • Algae
        • Fungi
        • Virus and Prions
    • IV.Biology of Bacteria
    • A.Bacterial Metabolism
    • B.Bacterial Genetics
    • DNA and chromosomes
    • Central Dogma
    • Mutation and Implications of Mutation: Antibiotic Resistance
    • V. Applications of Microbiology
    • A. Medical Microbiology
      • Role of Microbes in Diseases
        • Disease and Epidemiology
          • Principles of Disease
          • Etiology of Infectious Diseases
          • Classification, Transmission, and Patterns of Infection
      • Role of Microbes in Therapy
    • B. Microbial Ecology
      • Role of Microbes in Nutrient Cycling
      • Role of Microbes in Soil Health
      • Degradation of Synthetic Chemicals in Soil and Water
    • C. Industrial Microbiology
  • 4. MICRO / BIOLOGY
  • 5. Microbiology
    • deals with living things ordinarily too small to be seen without magnification
    • size range: 20 nm- 5 mm
  • 6.
      • s
    • MICROORGANISMS
      • -microbes/ germs/ bugs
  • 7.
    • microorganisms
    Bacteria Protozoa Fungi Algae Virus
  • 8. bacteria
    • - most thoroughly studied
    • - unicellular
    • - prokaryotic
    • -ex: E. coli
  • 9. protozoa
    • - unicellular
    • - eukaryotic
    • - obtain food by engulfing smaller microorganisms
    • - ex: amoeba
  • 10. fungi
    • -eukaryotic
    • -decomposers
    • -ex: bread mold/
    • Rhizopus
  • 11. algae
    • - some unicellular, some multicellular
    • - photosynthetic
    • - distributed fresh
    • water and oceans
    • -ex. blue-green algae
  • 12. virus
    • - acellular entities
    • - behave like living organism when they gain entry on living organisms
    • -ex: flu virus
  • 13. Microbial World and You
  • 14. MICROBES ARE EVERYWHERE and ARE RELEVANT TO ALL ASPECTS OF HUMAN LIFE
  • 15.
    • Reasons why we study MICROBIOLOGY
    • 1. Microorganisms have major impact on human health;
    • 2. Microorganisms maintain the balance of nature;
    • 3. Microorganisms are essential to many human endeavors;
    • 4. Microbiology provides insights into life processes in all forms of life
  • 16.
    • - nearly 2,000 different microbes cause various types of diseases
    • - infectious diseases:
        • **10 Billion new infections/year
        • (according to World Health Organization)
        • ** most common source of death at around 13 Million/ year
    1. Microorganisms have major impact on human health
  • 17. 1. Microorganisms have major impact on human health
  • 18. many are treatable with drugs or preventable by vaccines hardest hit are the poor countries (1/3 live on $ 1/day) 1. Microorganisms have major impact on human health
  • 19.
    • there is a current increase in number of new (emerging) and older (reemerging) diseases
    • SARS, AIDS, hepatitis C, viral encephalitis
    1. Microorganisms have major impact on human health
  • 20.
    • - new discovery: non infectious diseases involve microbial infection:
    • gastric ulcer Helicobacter pylori
    • cervical cancer human pappiloma virus
    • diabetis Coxsacki virus
    • schizophrenia borna agent virus
    • female infertility Chlamydia
    • 1st golden age: role of microorganisms in obvious and infectious diseases
    • 2nd golden age: role of microorganisms in quiet but slowly destructive diseases
    1. Microorganisms have major impact on human health
  • 21.
      • a. photosynthesis
      • b. decomposition
    2. Microorganisms are deeply involved in the flow of energy and food
  • 22.
    • - bacteria invented photosynthesis
      • ** anoxygenic photosynthesis first then oxygenic photosynthesis, one that involves production of oxygen
      • ** bacteria changed the earth’s anaerobic atmosphere to aerobic atmosphere, which eventually lead to the explosion of species diversity
      • - photosynthetic microorganisms account for 50% of all of earth’s photosynthesis, and serve as food to various organisms
    2. Microorganisms are deeply involved in the flow of energy and food
  • 23.
    • -microorganisms are responsible for breakdown of dead matter and wastes
    2. Microorganisms are deeply involved in the flow of energy and food: decomposition
  • 24.
    • - microorganisms have since been used to improve life and shape civilization:
      • **Baker’s yeast for bread
      • **brewer’s yeast for wine and beer
      • **In ancient Egypt, molding loaves were applied directly to wounds (Penicillin)
      • - genetic engineering
      • **interferon and growth hormones
    3. Microorganisms are essential to many human endeavors
  • 25.
      • - bacteria are used as model organisms because
          • a. bacteria have simple structures
          • b. reproduce quickly
    4. Microbiology provides insights into life processes in all forms of life
  • 26. MICRO / BIOLOGY
  • 27. scientific method
  • 28. CLASS POLICIES
    • - ATTENDANCE
    • - ASSIGNMENTS AND ASSIGNMENTS
    • - 3 EXAMINATIONS, drop the lowest
    • - FINAL EXAM FOR STUDENTS WITH GRADES LOWER THAN 2.5
    • - 55% LECTURE, 45% LABORATORY
    • - CHEATING
    • - CLASSROOM ETIQUETTE
  • 29. CLASS POLICIES
    • 2 Long Exams + finals** 60%
    • Quizzes 15%
    • Assignments 15%
    • Class and e-class Participation 10%

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