Halomonas

Definition

Halomonas is a genus of halophilic (salt-loving) bacteria found in various saline environments such as salt flats, seawater, and salted foods. These bacteria are known for their ability to thrive in high-salt conditions that inhibit the growth of many other microorganisms.

5 Must Know Facts For Your Next Test

1. Halomonas species can survive and grow in environments with salt concentrations ranging from 3% to as high as 25%.
2. They are Gram-negative and typically rod-shaped, often forming biofilms on surfaces.
3. Halomonas plays a significant role in bioremediation by breaking down pollutants in saline environments.
4. These bacteria have unique adaptations like specialized enzymes and compatible solutes that help them manage osmotic stress.
5. Some species of Halomonas are being studied for their potential in biotechnology applications, including the production of bioplastics and biofuels.

Review Questions

• What range of salt concentrations can Halomonas species tolerate?
• How do Halomonas bacteria contribute to bioremediation?
• What makes Halomonas suitable for biotechnology applications?

Related terms

Halophile: An organism that thrives in high-salt environments.

Osmotic Stress: The stress caused by differences in water concentration across a cell membrane due to varying external salinity.

Biofilm: A complex aggregation of microorganisms growing on a solid substrate.