Eikenella

 Eikenella corrodens Methylobacterium
Normal flora of human +
Spectrum of Disease
and Infections
Human bite wound infectionBacteremia and peritonitis in patients undergoing chronic
ambulatory peritoneal dialysis
Gram Staining Slender, medium length
gram (-) straight rod with rounded ends.
Short medium-length
gram (-) bacillus
vacuolated, pale staining, may resist
decolorization

Colonial appearance and characteristic

Medium: BA

Hallmark characteristic: pitting / corroding the agar Improved detection: Selective media + clindamycin
  • Pink to coral pigment 
  • Optimal growth occurs: 15°C – 30°C  
  • Temperature sensitive 
  • Chlorine-resistant
TESTS
Catalase +
Xylose-oxidizing +
Indole