MBI121-2spr08notes

MBI121-2spr08notes - What are microbes? bacteria viruses...

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What are microbes? bacteria viruses protozoa algae fungi
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History of Microbiology I Robert Hooke - mid-1600’s First description of cells Excellent scientist Anton Van Leeuwenhoek - late 1600’s Dutch scientist 1673 “animal rules” 1683 discribed bacteria, yeast, sperm Very successful, died at 90 in 1723
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History of Microbiology II Ignaz Semmelweis (1840’s) - Hungarian doctor Death from child bed fever 13% of omen in hospital, less than 2% at midwifery clinic Autopsies to delivery room without washing hands Wash hands and instruments Mortality drops immediately to 2% Waited until 1860’s to write paper
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History of Microbiology III “The Golden Age of Microbiology” Louis Pasteur link b/t microbes and disease? 1857 - French wines turning sour Sour- yeast and bacteria Sweet- yeast Heat it up, pasteurization Showed microbes have metabolic activities
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Spontaneous Generation Life could arise “spontaneously” Recipe for creating mice
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MBI121-2spr08notes - What are microbes? bacteria viruses...

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