Mesophiles

Definition

Mesophiles are microorganisms that thrive at moderate temperatures, typically between 20°C and 45°C. They are commonly found in soil, water, and the human body.

5 Must Know Facts For Your Next Test

1. Mesophiles play a crucial role in the decomposition of organic matter.
2. Most human pathogens are mesophiles due to their optimal growth temperature range.
3. Enzymes produced by mesophiles are often used in industrial processes performed at moderate temperatures.
4. Mesophiles can be found among both bacteria and archaea, showcasing their wide distribution.
5. They contribute significantly to nutrient cycling in both terrestrial and aquatic ecosystems.

Review Questions

• What temperature range do mesophiles thrive in?
• Why are most human pathogens classified as mesophiles?
• In what environments are mesophiles commonly found?

Related terms

Thermophiles:

Microorganisms that thrive at high temperatures, typically above 45°C.

Psychrophiles:

Microorganisms that thrive at low temperatures, typically below 15°C.

Extremophiles:

Microorganisms that thrive in extreme environmental conditions such as high salinity, acidity, or temperature.