Methanosarcinaceae

Methanosarcinaceae

The Methanosarcinaceae are a family of methanogenic archaeal microorganisms. They are distinguished by their ability to produce methane gas as a metabolic by-product, a process known as methanogenesis. This family is part of the order Methanosarcinales, within the class Methanomicrobia.

Characteristics

Members of the Methanosarcinaceae family are typically anaerobic organisms, meaning they thrive in environments devoid of oxygen. They are known for their diverse metabolic capabilities, including the ability to use a wide range of substrates for methanogenesis. This versatility allows them to inhabit a variety of environments, including anaerobic digesters, sediments, and the guts of ruminants.

Genera

The Methanosarcinaceae family includes several genera, such as:

• Methanosarcina: This genus is known for its ability to use a wide range of substrates for methanogenesis, including acetate, methylamines, and methanol.
• Methanococcoides: Members of this genus are typically found in marine environments and are known for their ability to use methylated amines as substrates for methanogenesis.
• Methanolobus: This genus is known for its ability to use methanol and methylamines as substrates for methanogenesis.

Ecological significance

Methanosarcinaceae play a crucial role in the carbon cycle, as they are responsible for the production of significant amounts of methane, a potent greenhouse gas. They also contribute to the degradation of organic matter in anaerobic environments, a process that is essential for nutrient cycling.

See also

• Methanogenesis
• Methanomicrobia
• Methanosarcinales