BI276 Lecture Notes - Antonie Van Leeuwenhoek, Louis Pasteur, Robert Hooke
Document Summary
Lecture 2: colony-one cell started to divide, to develop this colony, lake sample (a) sewage sample(b) sulfur (c, pathways of discovery in microbiology, robert hooke- 1664 discovery of microorganisms (fungi) Illustrated the fruiting structures of molds: antoni van leeuwenhoek. Drew some structures of bacteria: louis pasteur. Chemist, who discovered that living organisms discriminate between optical isomers. Pasteur"s experiment: theory of spontaneous generation: pasteur"s swan-necked flask experiment, which allowed air to contact the broth. Each microbe has different needs for nutrients. Discovered that alcoholic fermentation was a biologically mediated process(originally thought to be purely chemical: led to the development of methods controlling the growth of microorganisms( aseptic technique) Developed vaccines for anthax, cholera, and rabies: robert koch. Demonstrated the link between microbes and infectious diseases. Developed techniques(solid media) for obtaining pure cultures of microbes, some still in existence today. Awarded nobel prize for physiology and medicine in 1905. Suspected pathogen: ha: pure culture must be the same one as before.
