<prompt> Pigment producing atypical mycobacteria -M. fortuitum and M. chelonaeM. xenopi and MACM. gordonae and M. szulgaiM. ulcerans  <response>: Pigment producing atypical mycobacteria:Photochromogen: M marinum, M simiae, M. asciaticum, M kansasii,Scotochromogen: M. scrofulaceum, M szulgai, S.gordonae 