21221007 Cells stain with Giemsa stain.
21221008 Morphology is best determined by dissolving iron or manganese compounds from cells in dilute mineral acid followed by staining with Schiff's reagent (also see Sections 5 and 11).
21221024 Microcolonies bind neutral red.
21221009 Cells are acid fast by Ziehl-Neelsen method.
21221010 Cells are alcohol fast by modified Ziehl-Neelsen method.
21221026 Ziehl-Neelsen acid fast stain reveals alternate bands of dark and light staining in the cell.