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MICROBIOLOGY Bacteria List for Exam

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Mike Bidochka

Bacteria List Escherichia coli: gram- rod-shaped bacteria found in lower intestine; can cause food poisoning; indicator of fecal pollution in water; most commonly used prokaryotic in lab; part of normal gut flora Xanthomonas campestris: causes disease is stems, fruits, and other plants; can produce Xantham gum used in salad dressings Yersinia pestis: the bacterium responsible for Black Death & bubonic plague; began in 1347; within 4 years killed 1/3 of Europe st Bacillus anthracis: gram+, anthrax; spore forming, 1 bacteria to be shown to cause disease; bacterium enters cut or intestines through contaminated meat ingestion; respiratory distress, fever, shock, die quickly Serratia marcescens: found in damp conditions (bathroom, etc.); pink/red pigmentation; found in urinary tracts and gastrointestinal systems Saccharomyces cerevisiae: baker’s yeast; diploid cell Clostridium botulinum: botulism (muscular paralysis); gram+, rod-shaped, produces neurotoxin; grows in low pH Pseudomonas aeruginosa: gram-, green, rod-shaped cells; leading gram- pathogen; opportunist pathogen, leaves green around the skin Staphylococcus sp.: gram+, grape-like clusters Streptococcus sp.: gram+, spherical cell that forms long chains Micrococcus sp.: gram+, wide range on environments, mainly on face, arms, hands, etc. Listeria sp.: gram+ rod-shaped bacilli; can be found in vegetables and processed foods Neisseria sp.: gonorrhea; affect mucosal surfaces of animals Neisseria meningitidis Enterobacter sp.: gram- rod-shaped bacteria; pathogen than affects urinary & respiratory tracts Haemophilus influenza: first free-living organism to have its entire genome sequenced Campylobacter sp.: gram-, spiral/corkscrew appearance Vibrio sp.: gram- curve (comma) rod-shaped; associated w/ eating undercooked seafood Fusobacterium sp.: gram- rod-shaped bacilli; known for causing dental plaque Treponema pallidum: syphilis; needs dark field microscope to identify Neisseria gonorrhoeae: gram- pathogen; causes gonorrhea and meningitis Haloarcula sp.: irregular red discs, grow in 40-45C in salt waters (Dead Sea) Bifidobacteria sp: gram+ non-motile, anaerobic bacteria; used as probiotics (live bacteria with possible health benefi
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