Which partially acid-fast, gram-positive, and branching filamentous bacteria appear dry and white to creamy to orange with rhizoid edges on routine agar and are urea-positive and resistant to lysozyme?
a. Tsukamurella
b. Gordonia
c. Actinomadura
d. Dermatophilus
A
Tsukamurella is a partially acid-fast, gram-positive, and branching filamentous bacterium that appears dry and white to creamy to orange with rhizoid edges on routine agar and is urea-positive and resistant to lysozyme. The other three organisms listed are lysozyme-sensitive.
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