History
of Cell Biology
Optical
technology < 1600
Convex lenses in antiquity
Greek "burning glasses"
appear in 4th cent BCE Greek drama
Venetian glass in spectacles,
13th cent.
Microscope
technology from ca.1600
Galileo ca. 1619 -
inverted telescope
R Hooke (1635
- 1703) - single-lens microscope
Micrographia
(1665): Flea; "cells"
as empty boxes in cork
C
Drebbel ca. 1620 - Compound
microscope
A
Köhler (1893) uses collimated light
(monochromatic)
Cell
Theory (1839)
M
Schleiden (1804 - 1881) & T
Schwann (1810 - 1882)
Free formation of
cells (1835) vs Omnis cellula e
cellula (1855)
R
Remak (1815 - 1865) and (or) R
Virchow (1821 - 1902)
19th century Descriptive Cell Biology
Nucleus (1835) present
everywhere
Protoplasm appears formless
Chromosomes "Colored bodies"
- Schleiden,1880s; T
Boveri (1862 - 1915))
Nucleic
Acid (1889) (R
Altmann, 1852 - 1900)
Boveri - W Sutton Chromosome Theory
(1902)
Mitosis (somatic cells) (1873; 1882: W
Fleming (1843 - 1905)
vs Meiosis (germinal
cells) (1876): O
Hertwig (1849 - 1922)
=> Cell Cycle
Flagellae
Cilia
Centrioles (1883; named 1895)
(Boveri)
Asters (1882)
Centromeres (1885)
Golgi Apparatus (1892)
Organelles (1884) "little
organs": K
Möbius (1825 - 1908)
Chloroplasts (1862;
named 1884) H
von Mohl (1805 - 1872)
Mitochondria (1890:
"bioblasts"; named 1898): R
Altmann (1852 - 1900)
Maternal inheritance
in chloroplasts: C
Correns (1864 - 1933)
in mitochondria: H
Mitchell (1913 - 2000)
Endosymbiont
Theory: Meves (1868 - 1923). L
Margulis (1938 - 2011)
Confirmed 1978
EB Wilson (1856 -
1939)
The Cell in Development and
Inheritance (1896)
A Lecture on Mendelism
(1908)
20th century Experimental Biology
Yale University offers first PhD
(1861)
University
of California, Berkeley (1868) - public land-grant
university [107 Nobel laureates]
Johns
Hopkins University - first US PhD
research university (1876)
University
of Chicago -
private research university (1890) [98 Nobel laureates]
Rockefeller
Institute - pure research
laboratory (1901) [36 Nobel laureates]
National Institutes of Health
(NIH) - post-war government-sponsored labs
"Cracked" Genetic Code
(1965) (M
Nirenberg; Nobel, 1968)
Electron
Microscopy (1933) E Hruska (1906 -
1988: Nobel, 1986)
Cell
fractionation: A
Claude (1899 - 1983; Nobel, 1974)
Endoplasmic Reticulum (1955): G Palade
(1912 - 2008; Nobel, 1974)
Ribosomes
as specialized microsomes (1950s)
connected with protein synthesis
=> Molecular Biology
"9+2"
microtubule arrangement: K
Porter (1912 - 1997) [No Nobel, 1974]
Lysosomes (1955):
C
de Duve (1917 - 2013; Nobel, 1974)
Inherited storage diseases: Tay-Sachs
Disease, etc
Nucleoli (1930s)
Vacuoles (1966):
M
Birnsteil (1933 - 2014)
Plasma membranes
as lipid bi-layers
Ion
channels - chemi-osmotic 'Pumps': A
Hodgkin & A
Huxley (Nobel, 1963)
HOMEWORK:
Why didn't Canadian Keith Porter
share the 1974 Nobel Prize?
Does the creation of research-oriented
institutions promote scientific advance?
What distinguishes 19th century descriptive
vs 20th century experimental cell biology?