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Microbiology: Bacterial Classification and Diseases

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  • Brucella spp.

    Alphaproteobacteria, Gram-negative bacteria causing Undulant fever.

  • Rickettsia ricketsii

    Alphaproteobacteria, Gram-negative bacteria causing Rocky Mountain spotted fever.

  • Neisseria gonorrhoeae

    Betaproteobacteria, Gram-negative bacteria causing Gonorrhea.

  • Neisseria meningitidis

    Betaproteobacteria, Gram-negative bacteria causing Meningococcal meningitis.

  • Bordetella pertussis

    Betaproteobacteria, Gram-negative bacteria causing Whooping cough.

  • Pseudomonas aeruginosa

    Gammaproteobacteria, Gram-negative bacteria causing wound and urinary tract infections.

  • Legionella pneumophilia

    Gammaproteobacteria, Gram-negative bacteria causing Legionnaire's disease.

  • Vibrio cholerae

    Gammaproteobacteria, Gram-negative bacteria causing Cholera.

  • Escherichia coli O157:H7

    Gammaproteobacteria, Gram-negative bacteria causing Enteritis.

  • Klebsiella pneumoniae

    Gammaproteobacteria, Gram-negative bacteria causing Pneumonia.

  • Proteus vulgaris

    Gammaproteobacteria, Gram-negative bacteria causing urinary tract and wound infections.

  • Salmonella typhi

    Gammaproteobacteria, Gram-negative bacteria causing Typhoid fever.

  • Shigella dysenteriae

    Gammaproteobacteria, Gram-negative bacteria causing Dysentery.

  • Yersinia pestis

    Gammaproteobacteria, Gram-negative bacteria causing Plague (Black Death).

  • Haemophilus influenzae

    Gammaproteobacteria, Gram-negative bacteria causing meningitis in children.

  • Helicobacter pylori

    Epsilonproteobacteria, Gram-negative bacteria causing ulcers and stomach cancer.

  • Chlamydia trachomatis

    Chlamydiae, Gram-negative bacteria causing conjunctivitis.

  • Treponema pallidum

    Spirochaetes, Gram-negative bacteria causing Syphilis.

  • Clostridium botulinum

    Clostridia, Gram-positive bacteria causing Botulism.

  • Clostridium tetani

    Clostridia, Gram-positive bacteria causing Tetanus (Lockjaw).

  • Clostridium perfringens

    Clostridia, Gram-positive bacteria causing Gas gangrene.

  • Clostridium difficile (C. diff)

    Clostridia, Gram-positive bacteria causing Diarrhea.

  • Listeria monocytogenes

    Bacilli, Gram-positive bacteria causing upper respiratory disease.

  • Bacillus anthracis

    Bacilli, Gram-positive bacteria causing Anthrax.

  • Staphylococcus aureus

    Bacilli, Gram-positive bacteria causing endocarditis and meningitis.

  • Streptococcus pyogenes

    Bacilli, Gram-positive bacteria causing Pericarditis.

  • Mycobacterium tuberculosis

    Mycoplasmas, Gram-positive bacteria causing Tuberculosis.

  • Mycobacterium leprae

    Mycoplasmas, Gram-positive bacteria causing Leprosy.

  • Mycoplasma pneumoniae

    Mycoplasmas, Gram-positive bacteria causing Pneumonia.

  • Corynebacterium diphtheriae

    Actinobacteria, Gram-positive bacteria causing Diphtheria.