Microbiology General 9863a272 Dienes stain is used for? A Compylobactor B Helicobacter C Rickettsiae D Mycoplasma High-Yield Explanation Ans. is 'd' i.e., Mycoplasma Dienes method (Dienes staining) - For colonies of mycoplasma. Dienes phenomenon - To eletect swarming of proteus.