Bacteria of the Bacillus cereus family form highly resistant spores which in the case of the pathogen B. These bacilli generally possess a single endospore which is oval or maybe round or cylindrical. Endospore Structure And Formation Short Notes Easy Biology Class Bacillus Subtilis Bacillus Microbiology Bacillus cereus is a rod-shaped gram-positive rod with square ends. . Wash with tap water. Endospore stains require heat to drive the stain into the cells. Endospore stain of a Bacillus cereus culture using the Shaeffer-Fulton method and viewed at 1000x total magnification. For a endospore stain to be successful the temperature of the stain must be near boiling and the stain cannot dry out. After performing an endospore stain of Bacillus cereus the cells all appear as pink rods with clear. Perform an endospore stain. But I couldnt seem to get a perfect endospore. The endospore stain uses which of the follo