Eikenella corrodens

Definition

Eikenella corrodens is a facultatively anaerobic, gram-negative rod-shaped bacterium commonly found in human mucosal surfaces. It can cause infections in the circulatory and lymphatic systems, particularly following trauma or bite wounds.

5 Must Know Facts For Your Next Test

1. Eikenella corrodens is part of the HACEK group, which are a notable cause of endocarditis.
2. It is often associated with human bite wounds or fist injuries incurred during fights.
3. The bacterium produces a characteristic bleach-like odor when cultured.
4. Eikenella corrodens infections are typically treated with beta-lactam antibiotics, although resistance to some antibiotics can occur.
5. Colonies of Eikenella corrodens exhibit pitting or corrosion on agar plates.

Review Questions

• What group of bacteria does Eikenella corrodens belong to?
• How is Eikenella corrodens most commonly transmitted?
• What is the typical antibiotic treatment for an infection caused by Eikenella corrodens?

Related terms

HACEK Group: A group of gram-negative bacteria that are a common cause of infective endocarditis.

Facultative Anaerobe: An organism that can grow with or without oxygen.

Endocarditis:

Inflammation of the inner lining of the heart chambers and valves, often caused by bacterial infection.