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| oligotrophs, methylotrophs, nitrifiers |
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| eat 1 Carbon compounds - methylobacteria |
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| Oxidize NH3 --> NO2 --> NO3 |
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N2 fixers N2 --> NH3
Genus: Rhizobium, Brady rhizobium (have bacterioid nodules on legume roots), Azobacter, Agrobacterium tomefaticans (tumor) |
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| Caulobacteriacae + Hyphomicrobiacrae |
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- Stalked bacteria – oligrotrophs (low nutrients), live on top of water, budding reproduction, hyphae (long branching filamentous structure, vegetative growth), buds
- Prostheca + stalk holdfast, unusual life cycle
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disease Brucellosis (undulant fever)
- Obligate parasite – must be in human or animal to grow and divide
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| disease, in class Coxiella, can grow in environment |
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–intracellular parasites – inside cells
–no glycolysis, reproduce inside phagosomes
–Q fever – Coxiella
–Ehrlichia – blood disease
–Bartonella – catscratch fever
–Rickettsia – Rocky mountain spotted fever
–Chlamydia – typhas, trachoma (causes blindness), STD’s (sexually transmitted disease), Psitticosis
Elementary bodies attach to target cell, then go into cell inside phagosome and form reticulet bodies, use binary fission
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