Lecture 1 History of Microbes

Question 1

Who is the father of microbiology?

Answer 1

Antonie leeu
- developed advanced microscopes 300x

Question 2

What is Koch’s postulates?

Answer 2

1. pathogens must be present only in diseased animals and absent in healthy
2. pathogens must be isolated in pure colony
3. pathogen must cause disease in healthy animals
4. pathogen must be reisolated and remain the same

Question 3

Who invented the first microscope?

Answer 3

Robert Hooke

Question 4

Germ theory

Answer 4

Germs are invisible living creatures that cause infections and diseases

Question 5

What is spontaneous germination and how was it debunked?

Answer 5

Viruses arise from non-living things.
- aligned with religion beliefs

Competing theories
Miasma
- germs came from toxic vapours

Germ theory debunked it
- swan neck experiment by Louise Pasteur
- illustrated that microbes are everywhere

Francesco Reid also (maggots in meat)

Question 6

What are the 3 domains of life

Answer 6

Bacteria, Archaea, Eurkarya

Question 7

Who linked microbes with infectious diseases?

Answer 7

Robert Koch
-found causative agent of tuberculosis

Question 8

Martinus did what?

Answer 8

tobacco virus

Question 9

Who discovered agar plating

Answer 9

Fanny Hesse

Question 10

Sergei Winogradsky?

Answer 10

discovered chemolithotrophy
nitrification