SCOPE AND HISTORY OF MICROBIOLOGY

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Why Study Microbiology?

Ubiquity

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Why Study Microbiology?

Biological roles Animal digestion Food Microbiology Pharmaceuticals Bioremediation Pathogenicity Fundamental Biology

About ____% of children die from infectious diseasesin the last century.

A bacterium weigh approximately0.000,000,000,1g. Yet collectivelythey constitute ___% of earth’sBiomass.

Heart disease 16,690,000

INFECTIOUS & PARASITIC DISEASES

9,802,000

Cancer 7,228,000

Injuries 5,765,000

RESPIRATORY INFECTIONS

3,507,000

Respiratory diseases 2,995,000

Intentional 2,272,000

Infants 2,155,000

Digestive diseases 1,783,000

Genitourinary disease 765,000

Infective Disease as Percentage of Total: 25%

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Roles of Microbiologists

Universities Commercial

laboratories Public Health Legal Clinical

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Microbe Types Bacteria

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Microbe Types

Algae

Fungi

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Microbe Types

Viruses

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Microbe Types

Protozoa

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Microbe Types

Helminths/Arthropods

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Microbiology History

Plagues in History

Microbiology History

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Microbiology History

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Microbiology History:The Invisible Made Visible

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Germ Theory vs. Spontaneous Generation

Redi

Spallanzani

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Germ Theory vs. Spontaneous Generation

Pasteur

Vaccine as a Treatment

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Understanding Disease

Koch’s postulate satisfied?

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Defense against invader

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The 1918 Influenza

Bubonic Plague: A Case Study

Bubonic Plague: A Case Study

The Invisible Made Visible

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Special Fields of Study

Chemotherapy– Antibiotics

– Synthetics

Founder of Epidemiology