What disease does facultative anaerobic bacteria cause?

Facultative anaerobic bacteria are responsible for a variety of diseases due to their ability to thrive in both aerobic and anaerobic environments. Here are some examples of diseases caused by facultative anaerobic bacteria:

1. Staphylococcus aureus:
   • Skin infections: Boils, impetigo, and cellulitis.
   • Wound infections: Post-surgical infections and diabetic foot infections.
   • Systemic infections: Bacteremia, endocarditis, and osteomyelitis.
2. Escherichia coli:
   • Urinary tract infections (UTIs): Caused by E. coli strains that are commonly found in the gastrointestinal tract.
   • Gastroenteritis: Particularly in cases of enterotoxigenic E. coli (ETEC) and enterohemorrhagic E. coli (EHEC).
   • Sepsis: In severe cases, E. coli can cause bloodstream infections.
3. Klebsiella pneumoniae:
   • Pneumonia: Leading to lung infections.
   • UTIs: Including complicated and hospital-acquired infections.
   • Liver abscesses: Particularly in individuals with underlying conditions.
4. Salmonella species:
   • Salmonellosis: Foodborne illness causing symptoms like diarrhea, fever, and abdominal cramps.
5. Proteus mirabilis:
   • UTIs: Often associated with kidney stones and complicated infections.

These bacteria are capable of thriving in various environments within the human body, making them common pathogens in both local and systemic infections.