Extremophiles. Thermophiles and Hyperthomophiles.

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Presentation transcript:

Extremophiles

Thermophiles and Hyperthomophiles

Halophiles

Methanothermobacter thermoautotrophicus Methanogens Methanobacterium ruminatium

Phototrophic Bacteria

Blue-Green Bacteria (Cyanobacteria) Green Sulfur Bacteria Green Nonsulfur Bacteria

Gram Positive Bacteria Low G+C Bacteria

Clostridium botulinum Clostridium tetani Clostridium perfringens Characteristics Obligate anaerobic rods Forms endospores Diseases Tetanus Botulism Gangrene Severe Diarrhea Clostridium

Bacilli [ Bacillus, Streptococcus,Staphylococcus ] Bacillus anthracisStreptococcus pyogenesStaphylococcus aureus Characteristics Facultative anaerobic rods Endospore forming Diseases Anthrax Vomitting, nausea, cramping Characteristics Cocci in chains Diseases Strep throat Scarlet fever Impetigo Pneumonia Characteristics Cocci in clusters Diseases Bacteremia Food poisoning Toxic shock syndrome

Gram Positive Bacteria High G+C Bacteria

Corynebacterium Corynebacterium diphtheriae Characteristics Pleomorphic—can be rod shaped Aerobes and facultative anaerobes Produces metachromatic granules Snapping division Diseases Diptheria

Mycobacterium Mycobacterium leprae Mycobacterium tuberculosis Characteristics waxy cell walls grow very slowly Diseases Tuberculosis Leprosy Meningitis

Streptomyces Characteristics Produces antibiotics Ecologically important Diseases Rare sinus infections

Gram Negative Bacteria Alphaproteobacteria

Rhizobium Nitrogen Fixers

Gram Negative Bacteria Betaproteobacteria

Neisseria Characteristics Diplococci Gram (-) Inhabit mucous membranes of mammals Diseases Gonorrhea Meningitis, Pelvic Inflammatory Disease Neisseria gonorrhea

Gram Negative Bacteria Gammaproteobacteria

Legionella Characteristics Intracellular pathogens Metabolizes amino acids Diseases Legionnaire’s Disease Q fever Legionella pneumophila.

Yersinia Yersinia pestis Characteristics Facultative anaerobe Coccobacillus Antiphagocytic slime layer Diseases Bubonic Plague Pneumonic Plague

Klebsiella Characteristics Gram (-) Complex polysaccharide capsule Aerobic Diseases Pneumonia Klebsiella pneumoniae

Gram Negative Bacteria Epsilonproteobacteria

Helicobacter Characteristics Gram (-) Spirals Aerobic Diseases Stomach ulcers Gastritis

Gram Negative Bacteria Spirochetes

Treponema and Borrelia Characteristics Gram (-) Axial filament (endoflagella) Diverse habitats and metabolisms Diseases Syphilis Lyme disease

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