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Table 1 Useful microbiological tests to aid in differentiation of Tsukamurella from other bacteria causing cavitary pneumonia

From: Coexistence of primary adenocarcinoma of the lung and Tsukamurella infection: a case report and review of the literature

 

Mycelium formation

β-galactosidase

Mitomycin C resistance

Para-aminosalicylic acid degradation

Aryl sulphatase

Galactose (carbon source)

Tsukamurella pulmonis

-

+

+

-

-

+

Rhodococcus (R. equi, R. terrae, R. rhodochrous)

-

-

-

-

-

-

Mycobacterium (M. chelonei, M. abscessus, M. fortuitum)

-

+

+

+

-

-

Nocardia (N. asteroides, N. brasiliensis, N. fracinica)

+

+

+

-

+

-

  1. Note that Tsukamurella pulmonis is the only microorganism that uses galactose as a carbon source. Adapted from Tsukamura and Kawakami [2]