List of clinically important bacteria

This is a list of bacteria that are significant in medicine. For viruses, see list of viruses.

A

• Acetobacter aurantius
• Acinetobacter baumannii
• Actinomyces israelii
• Agrobacterium radiobacter
• Agrobacterium tumefaciens
• Anaplasma
  • Anaplasma phagocytophilum
• Azorhizobium caulinodans
• Azotobacter vinelandii
• viridans streptococci

B

• Bacillus
  • Bacillus anthracis
  • Bacillus brevis
  • Bacillus cereus
  • Bacillus fusiformis
  • Bacillus licheniformis
  • Bacillus megaterium
  • Bacillus mycoides
  • Bacillus stearothermophilus
  • Bacillus subtilis
  • Bacillus thuringiensis
• Bacteroides
  • Bacteroides fragilis
  • Bacteroides gingivalis
  • Bacteroides melaninogenicus (now known as Prevotella melaninogenica)
• Bartonella
  • Bartonella henselae
  • Bartonella quintana
• Bordetella
  • Bordetella bronchiseptica
  • Bordetella pertussis
• Borrelia burgdorferi
• Brucella
  • Brucella abortus
  • Brucella melitensis
  • Brucella suis
• Burkholderia
  • Burkholderia mallei
  • Burkholderia pseudomallei
  • Burkholderia cepacia

C

• Calymmatobacterium granulomatis
• Campylobacter
  • Campylobacter coli
  • Campylobacter fetus
  • Campylobacter jejuni
  • Campylobacter pylori
• Capnocytophaga canimorsus
• Chlamydia
  • Chlamydia trachomatis
• Chlamydophila
  • Chlamydophila pneumoniae (previously called Chlamydia pneumoniae)
  • Chlamydophila psittaci (previously called Chlamydia psittaci)
• Citrobacter
  • Citrobacter freundii
  • Citrobacter koseri
• Clostridium
  • Clostridium botulinum
  • Clostridium difficile
  • Clostridium perfringens (previously called Clostridium welchii)
  • Clostridium tetani
• Corynebacterium
  • Corynebacterium diphtheriae
  • Corynebacterium fusiforme
• Coxiella burnetii
• Cutibacterium acnes (previously called Propionibacterium acnes)

E

• Ehrlichia chaffeensis
• Ehrlichia ewingii
• Eikenella corrodens
• Enterobacter cloacae
• Enterococcus
  • Enterococcus avium
  • Enterococcus durans
  • Enterococcus faecalis
  • Enterococcus faecium
  • Enterococcus gallinarum
  • Enterococcus maloratus
• Escherichia coli

F

• Francisella tularensis (previously called Pasteurella tularensis)
• Fusobacterium necrophorum
• Fusobacterium nucleatum

G

• Gardnerella vaginalis

H

• Haemophilus
  • Haemophilus ducreyi
  • Haemophilus influenzae
  • Haemophilus parainfluenzae
  • Haemophilus pertussis
  • Haemophilus vaginalis
• Helicobacter pylori

K

• Kingella kingae
• Klebsiella
  • Klebsiella granulomatis
  • Klebsiella pneumoniae

L

• Lactobacillus
  • Lactobacillus acidophilus
  • Lactobacillus bulgaricus
  • Lactobacillus casei
  • Lactococcus lactis
• Legionella pneumophila
• Leptospira interrogans
• Leptospira noguchii
• Listeria monocytogenes

M

• Methanobacterium extroquens
• Microbacterium multiforme
• Micrococcus luteus
• Moraxella catarrhalis
• Mycobacterium
  • Mycobacterium avium
  • Mycobacterium bovis
  • Mycobacterium diphtheriae
  • Mycobacterium intracellulare
  • Mycobacterium leprae
  • Mycobacterium lepraemurium
  • Mycobacterium phlei
  • Mycobacterium smegmatis
  • Mycobacterium tuberculosis
• Mycoplasma
  • Mycoplasma fermentans
  • Mycoplasma genitalium
  • Mycoplasma hominis
  • Mycoplasma penetrans
  • Mycoplasma pneumoniae
  • Mycoplasma mexican

N

• Neisseria
  • Neisseria gonorrhoeae
  • Neisseria meningitidis
• Nocardia
  • Nocardia asteroides
  • Nocardia brasiliensis
  • Nocardia cyriacigeorgica
  • Nocardia farcinica

P

• Pasteurella multocida
• Peptostreptococcus
• Porphyromonas gingivalis
• Prevotella melaninogenica (previously called Bacteroides melaninogenicus)
• Proteus
  • Proteus mirabilis
  • Proteus penneri
  • Proteus vulgaris
• Pseudomonas aeruginosa

R

• Rhizobium radiobacter
• Rickettsia
  • Rickettsia prowazekii
  • Rickettsia psittaci
  • Rickettsia quintana
  • Rickettsia rickettsii
  • Rickettsia trachomae
• Rochalimaea
  • Rochalimaea henselae
  • Rochalimaea quintana
• Rothia dentocariosa

S

• Salmonella
  • Salmonella enteritidis
  • Salmonella typhi
  • Salmonella typhimurium
• Serratia marcescens
• Shigella dysenteriae
• Spirillum volutans
• Staphylococcus
  • Staphylococcus aureus
  • Staphylococcus epidermidis
• Stenotrophomonas maltophilia
• Streptococcus
  • Streptococcus agalactiae
  • Streptococcus avium
  • Streptococcus bovis
  • Streptococcus cricetus
  • Streptococcus faceium
  • Streptococcus faecalis
  • Streptococcus ferus
  • Streptococcus gallinarum
  • Streptococcus lactis
  • Streptococcus mitior
  • Streptococcus mitis
  • Streptococcus mutans
  • Streptococcus oralis
  • Streptococcus pneumoniae
  • Streptococcus pyogenes
  • Streptococcus rattus
  • Streptococcus salivarius
  • Streptococcus sanguis
  • Streptococcus sobrinus

T

• Treponema

U

• Ureaplasma urealyticum

V

• Vibrio
  • Vibrio cholerae
  • Vibrio comma
  • Vibrio parahaemolyticus
  • Vibrio vulnificus

W

• Wolbachia

Y

• Yersinia
  • Yersinia enterocolitica
  • Yersinia pestis
  • Yersinia pseudotuberculosis

See also

• List of bacterial orders
• List of bacteria genera
• List of human diseases associated with infectious pathogens