Micrococcus luteus
Infections and Diseases
Generally non-pathogenic in healthy individuals
Opportunistic infections in immunocompromised patients include:
Endocarditis
Pneumonia
Septic Arthritis
Catheter-related bloodstream infections
Morphological Details
Coccus (spherical)
Tetrads (groups of 4 cocci)
Gram-positive
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Identifiable Physical Features
Circular & Convex
Small, 1-3mm in diameter
Distinct yellow-golden color
Carotenoid pigments produced by the bacteria for protection and survival in harsh conditions.
-These pigments are responsible for yellow, orange and red colors in many organisms, including pumpkins and flamingo feathers
Buttery, smooth, shiny
Gamma-Hemolysis
Aerobic
Additional Facts
Antibiotic resistance concerns:
-Some strains show resistance to penicillin
Can survive in low-nutrient environments like dust, skin, and the Arctic
