Nocardia n Aerobic, weakly gram-positive, characterised as branching and beading rods, producing fungus-like colonies in culture a Isolated from media for bacteria fungi or mycobacteria, but growth slow and incubation continued for at least two weeks a Partial acid- fast baclli a Nocardia asteroides complex is responsible for most clinical human nocardial infections.(N abscessus, N brevicatenapaucivorans complex N. nova complex N. transvalensis complex, N. farcinica, and N. asteroidesNocardia p Aerobic, weakly gram-positive, characterised as branching and beading rods, producing fungus-like colonies in culture p Isolated from media for bacteria, fungi or mycobacteria, but growth slow and incubation continued for at least two weeks. p Partial acid-fast baclli p Nocardia asteroides complex is responsible for most clinical human nocardial infections. (N. abscessus, N. brevicatenapaucivorans complex, N. nova complex N.transvalensis complex, N. farcinica, and N. asteroides )