However, negative staining does not differentiate bacteria ... Using a flamed inoculating NEEDLE, pick up a small amount of Bacillus subtilis and stir it into one drop of Congo Red. 3. Use a toothpick ...
The Gram-positive rod, Bacillus subtilis is lipase positive (pictured on the right) The plate pictured on the left is lipase negative. 1. Collect your inoculating loop, as well as your Gram-positive ...