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Obligate Aerobes
Pseudomonas
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First photosynthesizer, producers of oxygen as waste product
Cyanobacterium
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Grow well in clean water
Caulobacter
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infect plants forming galls
Agrobacterium
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Examples of how chemolithotrophs get there energy from electrons
hydrgen, sulfer, nitrogen, and carbon dioxide
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Bdellovrbrio prey on other bacteria as they are a bacterial parasite
victim's cell walls for dinner
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Mycorrhizae are fungal
plant roots !
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Nucleic acid analysis eukaryotic microbes
many groups, algae, not closed related.
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What is the difference between Strep and Staph
STAPHYOLococcis: catalase + positive which detoxifies toxic oxygen and can handle having high salt tolerance
Streptococcous: Catalase negative and cannot handle such a salt level
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Mucous membranes cover a lot of surface area, not as good as skin
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Obligate Intracellular Parasite fact"
- similar to virus, cannot grow on its own, needs a host cell = fragile
- Rickettisa = transmitted by arthoropods
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Acquired Resistance
Resistace that develops through mutation or acquision of new genes - thru HGT
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Antibacterial drug
antimicrobial drug used to treat a disease cause by bacteria
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Antibiotic
compound naturally produced by certain molds and bacteria which inhibits or kills other microbes
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Antimicrobial
chemical use to inhibit or kill microbes - synthesized drugs
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Antiviral drug
drug interferes with the replication of viruses - all are chemically synthesized - none antibiotics
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Bactericidal drug
antimicrobal kills bacteria
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Bacteriostatic drug
antimircrobal inhibits growth of bacteria
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Broad-spectrum antimicrobial
effective against a wide range of microorganism
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Chemo ageant
chemical used to treat a diesase
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Intrisinc resistance
Resistance due to an inherent characteristic of the mircoorganism
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Narrow Specturm antimicrobial
effective against a limited range of micrroransmss
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R plasmid
A plasmid that encodres resistance to one or more antimicrobmial drugs
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Therapeutic index
- a meausure expressing the relative toxicity of a chemotherapeutic drug
- lowest dose toxic to the patients divided by the dose used for the therapy
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Beta Lactam Drugs inhibit ....(what)
- enzymes that catalyze the formation of peptide bridges
- Beta lactam drugs are bacteriacidial only when bacteria is actively growing to sythesize peptiodygolacan
- Enzymes = penicillian binding proteins
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