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Extremophiles

Discover the world of bacteria, from extremophiles like thermophiles and halophiles to pathogenic species such as Clostridium and Klebsiella. Learn about their characteristics, diseases they cause, and unique features.

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Extremophiles

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  1. Extremophiles

  2. Thermophiles and Hyperthomophiles

  3. Halophiles

  4. Methanogens Methanobacterium ruminatium Methanothermobacter thermoautotrophicus

  5. Phototrophic Bacteria

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

  7. Gram Positive Bacteria Low G+C Bacteria

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

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

  10. Gram Positive Bacteria High G+C Bacteria

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

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

  13. Streptomyces • Characteristics • Produces antibiotics • Ecologically important • Diseases • Rare sinus infections

  14. Gram Negative Bacteria Alphaproteobacteria

  15. Rhizobium Nitrogen Fixers

  16. Gram Negative Bacteria Betaproteobacteria

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

  18. Gram Negative Bacteria Gammaproteobacteria

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

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

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

  22. Gram Negative Bacteria Epsilonproteobacteria

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

  24. Gram Negative Bacteria Spirochetes

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

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