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39 Cards in this Set

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Bacteriology
The study of Bacteria, Leeuwenhoek's first examination of tooth scrapings
Mycology - Bassi proved that another silkworm disease was caused by a fungus.
The study of fungi; eukaryotes;multicellular molds and mushrooms; fall under the Eukarya Domain
Parisitology
Is the study of protozoa and parasitic worms. (slime molds, protozoa, and algae. Fall under the Eukarya Domain
Immunology
The protection from vaccine; Edward Jenner; cowpox blisters; boy never got cowpox or smallpox.
Virology
Iwanowski reported that organism that caused mosaic disesae was so small it passed through a filter. study of viruses
Pasteurization
Pasteur heated beer and wine to prevent spoilage and kill most of the bacteria.
Bioremediation
Scientists began using microbes to clean up pollutants and toxic wastes. break dwon toxins into less harmful substances.
Bilogical Insecticides
Microbes used to kill certain insects. An alternative to chemical pesticides
Genectic Engineering
Through genetic engineering bacteria and fungi can produce a variety of proteins including vaccines and enzymes.
NOrmal Microbiota
Prevent growth of pathogens; skin, stomach acid. Also known as FLORA. Produce vitamin K and B.
Microbes in our lives:
Decompose organic waste; photosynthesis; produce industrial chems, like alcohol and acetone; ferment foods like vinegar, cheese and bread, yogurt
Microbes in our Lives 2:
Produce Insulin, Pennacillion;
Nomenclature/Linnaeus
each organisam has 2 names; the genus and specific epithet
Naming Microorganisms
Italicized and underlines the Genus is CAP; specific epithet is lower case; may be descriptive or named in honor of scientist
Staphylococcus Aures
Describes the clustered arrangement of the cells (Staphylo) and teh golden color of the colonies.
Escherichia Coli
In honor of Theodor Eshcerich and describes the bacterium's habitat, the large intestine or colon.
Basic characteristics of bacteria: many can swim; no nuclear membrane
Prokaryotes; Cell Walls made by Peptidoglycan; reproduce by Binary fission; for energy use inorganic and organic chemicals or photosynthesis
Basic characteristics of Archaea:
consist of Prokaryotic cells; Lack Peptidoglycan; live in exteme environments; Methogens;Exteme Halophiles; love salt; thermophiles; hot springs
Basic characteristics of Fungi: most typical are molds
Eukaryotes; have a distinct nucleus containing the cells DNA; cell walls composed of Chitin; Hyphae; use organic chemicals for energy
Basic characteristics of Protozoa:
unicellular, eukaryotic microbes; have flagella and cilia; ingest organic compounds
Basic characteristics of Algae:
wide variety of shapes; eukaryotes; use photosynthesis for energy; Produce molecular oxygen and organic compounds.
Characteristics of Virus: inert when living outside a host cell
Acellular; consist of DNA OR RNA; core is surrounded by protein coat; replicate in a living host cell; coat may have lipid envelope.
The three Domains:
Bacteria; Archea; Eukarya: Protists, fungi, plants, animals
Robert Hooke
reported that living things were composed of little boxes or cells by looking at cork. He laid the groundwork for the concept of the cell theory. all things made of cells; introduced the term cell
Antoni Van Leeuwenhoek
described live microorgansims that he saw from tooth scrapings "little animalcules"
Francisco Redi
demonstrated that maggots appeared only when flies were allowed to leave their eggs on the meat. other meat was covered with a fine net.
John Needham:
Nutrient broth heated then placed in sealed flask: microbial growth; Microbes came from the air; SPONTANEOUS GENERATION
Lazzaro Spallanzani
Boiled nutrient solutions in flasks; placed them in sealed flask; no microbial growth; BIOGENESIS
Louis Pasteur:
found that yeast ferment sugars to alcohol and bacteria con oxidize the alcohol to acetic acid; heating process called pasteurization use to kill bacteria
Joseph Lister
used chemcial disinfectant to prevent surgical wound infections
Robert Koch
Koch's postulates; experimental steps to relate a specific microbe to a specific disease; ANTHRAX
Edward Jenner
Vaccine: Inooculated boy with cowpox scraping. Fisrt immunity.
Alexander Fleming
Discoverd Pencillin. A mold that inhibits the growth of baceteria. The first antibiotic!!!
Germ Theory of Disease
Microoganisms casue disease; early clue yeasts play a crutial role in fermentaion.
Spontaeous generation vs. Biogenesis
Living cells can only arise from preexisting living cells; SG: life coul arise spontaneously from non-living matter
Emerging Infectious diseases
West Nile Virus: appeared in NYC in 1999; UGANDA; Bovine Spongiform Encephalopathy; caused by PRION; CJD
Escherichia Coli (E. coli)
Leading cause of diarrhea worldwide.
Ebola Virus
Causes fever, hemorrhagin and blood clotting. Congo
AIDS; HIV;
1981; 63% African American; 44% are Female; Sexually transmitted disease