known as gram-positive and gram-negative. These categories reflect big differences in the microbes' biology, and they also dictate how doctors treat bacterial infections. But what are the ...

Bacteria that produce lipase will hydrolyze the olive oil and produce a halo around the bacterial growth. The Gram-positive rod, Bacillus subtilis is lipase positive (pictured on the right) The plate ...

We saw numerous large Gram-positive rods, some containing spores, in the samples from the small intestine. Samples of intestinal fluid were submitted for bacterial culture. We took representative ...

The most important endospore-forming bacteria are members of the genera Bacillus and Clostridium, both of which are Gram-positive rods. An endospore is a dense, multilayered structure that contains ...