Archaeoglobaceae

Archaeoglobaceae is a family of archaea, specifically within the order Archaeoglobales. Members of this family are known for their unique ability to reduce sulfate to sulfide, a process that is significant in the sulfur cycle. They are typically found in high-temperature environments such as hydrothermal vents and oil reservoirs.

Characteristics

Archaeoglobaceae are anaerobic organisms, meaning they thrive in environments devoid of oxygen. They are also thermophilic, with an optimal growth temperature of around 80-95°C. The cells of Archaeoglobaceae are usually irregularly shaped, often appearing as cocci or irregular rods.

Metabolism

Archaeoglobaceae are unique in their ability to reduce sulfate to sulfide, a process that is significant in the sulfur cycle. They can use a variety of organic compounds as electron donors, including lactate, pyruvate, long-chain fatty acids, and alcohols. This metabolic versatility allows them to thrive in a variety of environments.

Habitat

Archaeoglobaceae are typically found in high-temperature environments such as hydrothermal vents and oil reservoirs. They have also been found in hot springs and geothermal environments. Their ability to thrive in these extreme environments is due to their thermophilic nature and their unique metabolic capabilities.

Significance

The ability of Archaeoglobaceae to reduce sulfate to sulfide is significant in the sulfur cycle. This process contributes to the cycling of sulfur in the environment, which is important for the growth and survival of many organisms. Additionally, their presence in oil reservoirs can have implications for oil recovery and bioremediation.

See also

• Archaea
• Sulfur cycle
• Thermophile
• Anaerobic organism