Bacillus mesentericus

Definition

Bacillus mesentericus is a Gram-positive, rod-shaped bacterium commonly found in soil. It is known for its ability to form endospores and produce extracellular enzymes.

5 Must Know Facts For Your Next Test

1. Bacillus mesentericus can produce enzymes that degrade starch, such as amylase.
2. It forms heat-resistant endospores, making it difficult to eliminate with standard sterilization methods.
3. This bacterium is often studied in the context of food spoilage, particularly in bread.
4. Effective chemical agents against Bacillus mesentericus include disinfectants like bleach and alcohols.
5. The bacterium exhibits resistance to many antibiotics due to its spore-forming capability.

Review Questions

• What type of enzymes does Bacillus mesentericus produce?
• Why is Bacillus mesentericus difficult to eliminate using standard sterilization methods?
• Which chemical agents are effective against Bacillus mesentericus?

Related terms

Endospore:

A resistant asexual spore that develops inside some bacteria cells.

Gram-positive Bacteria: Bacteria that retain the crystal violet stain used in the Gram staining method.

Amylase:

An enzyme that catalyzes the hydrolysis of starch into sugars.