Multiple choice Mycobacterium is an acid-fast bacteria. It can be stained with Auramine O Triarylmethane dyes Aluminon Aniline Blue WS Reveal answer Fill a bubble to check yourself A Correct answer Explanation Auramine O can be used to stain acid-fast bacteria (e.g. Mycobacterium), where it binds to the mycolic acid in its cell wall) in a way similar to Ziehl-Neelsen stain. It can also be used as a fluorescent version of Schiff reagent.