Lactobacillales

Definition

Lactobacillales is an order of Gram-positive bacteria known for their role in fermentation and as part of the normal microbiota in humans. They are often used in food production, such as yogurt and cheese.

5 Must Know Facts For Your Next Test

1. Lactobacillales are Gram-positive, non-spore-forming bacteria.
2. They play a crucial role in the fermentation process, converting sugars into lactic acid.
3. Members of this order are commonly found in the human gastrointestinal tract and oral cavity.
4. They include several genera such as Lactobacillus, Enterococcus, and Streptococcus.
5. Lactobacillales are important in both health, by maintaining gut flora balance, and industry, especially in dairy product fermentation.

Review Questions

• What is the primary metabolic process carried out by Lactobacillales?
• Name two genera that belong to the order Lactobacillales.
• Why are Lactobacillales significant to both human health and food production?

Related terms

Gram-Positive Bacteria: Bacteria characterized by a thick peptidoglycan cell wall that retains the crystal violet stain used in Gram staining.

Fermentation: A metabolic process that produces chemical changes in organic substrates through the action of enzymes.

Microbiota: The community of microorganisms that inhabit a particular environment, including the body or a part of it.