01:119:131 Lecture 1: Lecture 1 (1.18.17)
14 Feb 2017
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Document Summary
Extent of microbial life: strength is in numbers, 5 * 10^30 for prokaryotes (bacteria, total carbon in ^= all plants in earth, prokaryotic cells, makes up large portion of the biomass on earth, bacteria, viruses, fungi, protozoa, helminthes. Microbiology: basic research, in relation to disease, process, by kind of organism, applied, disease related, environmental, industrial. Historical roots of microbiology: 1664 robert hooke-magnification ability, 1684 a. v. Lecture points: bacterial cells that are in or on our body outnumber human cells 10:1. Pasteur, van leeuwenhoek, lister, jenner, metchnikoff, erlich, beijerinck, Where did flies come from: flies flies, not meat flies, experiment, placed pieces of meat into three glass jars. First jar was left open: second jar was covered with a loose netting. Jenner: cowpox, vaccinia (vacca-cow) gave rise to both the name of the virus that causes cowpox and word vaccine, immunologist, exposed to cowpox didn"t get smallpox, metchnikoff, certain cells in the body ingest microbes (phagocytes, vaccines.
