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25 Cards in this Set
- Front
- Back
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Nonproteobacteria Gram negative bacteria
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2nd phylum in domain bacteria
cyanobacteria purple and green photosynthetic bacteria |
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Cyanobacteria
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blue-green algae
phtosynthetic, produce oxygen various morphological forms |
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Purple and green photosynthetic bacteria
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anaerobic, anoxygenic
found in deep ponds, sediments photoautotrophs - use light energy and CO2 sulfur bacteria = alpha proteobacteria nonsulfur bacteria = gamma proteobacteria |
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Gram-positive bacteria
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divided into Fimicutes and Actinobacteria based on G+C ratio
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Firmicutes
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low G+C ratio
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Actinobacteria
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high G+C ratio
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Clostridium
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obligate anaerobes
spore formers exotoxins, neurotoxins |
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C. botulinum
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causes botulism
flaccid paralysis |
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C. tetani
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causes tetanus. rigid paralysis. lock jaw
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Epulopiscium
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lives in gut of Red Sea surgeon fish.
80 µm X 600 µm. Is a bacterium according to its rRNA. Visible to the naked eye! |
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Bacillus anthracis
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causes anthrax
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Staphylococcus aureus
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ubiquitus bacteria on human skin. can be an opportunistic pathogen. causes food poisoning, toxic shock, and surgical infections
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Sterptococcus
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Lactic acid bacterium. common pathogen. causes strep throat, dental cavities, fevers
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Mycoplasma pneumoniae
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causes pneomonia
based on sequence analysis no cell wall at all very, very small! |
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Mycobacterium
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aerobic rods
tuberculosis and leprae causes leprosy |
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Sterptomyces
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replicate by asexual spores like fungi
found in soil -- antibiotic producers aerobic DIRT SMELL conidia - bacteria at tips form spores |
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Chlamydia
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gram negative cocci
tranmitted through respiratory tract unusual life cycle with host |
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Chlamydia trachomatis
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causes blindness and an STD
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Spirochaetes
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helical rod-shaped organisms
lipid content sheath axial filaments contaminated water, sewage, soil, decaying matter, mouths of animals |
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Treponema pallidum
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causes syphilis
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Leptospira species
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cause disease in dogs, rats, and swine
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Lyme disease
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caused by Borrelia burgdorgeri
tick borne disease which feeds and mates on a deer |
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Bacteriodes
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anaerobic bacteria
found in human intestines doesnt cause disease.. actually helps |
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Fusobacteria
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anaerobic rods found in human intestines and mouth
has diamond like shape |
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Domain Archaea
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halophiles, methanogens, thermophiles
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