Actinobacteridae

Actinobacteridae

The Actinobacteridae is a family of bacteria that belongs to the order Actinomycetales. This family is known for its diverse range of species, many of which have significant roles in the ecosystem and human health.

Characteristics

Members of the Actinobacteridae family are typically Gram-positive, aerobic, and non-motile. They are characterized by their filamentous growth pattern, which is similar to that of fungi. This unique growth pattern has led to their classification as a separate group within the bacterial domain.

Ecology and Significance

Actinobacteridae are ubiquitous in nature and can be found in a variety of environments, including soil, water, and the human body. They play a crucial role in the carbon cycle and nitrogen cycle, contributing to the decomposition of organic matter and the fixation of nitrogen.

In the human body, Actinobacteridae are part of the normal microbiota, particularly in the oral and gastrointestinal tracts. Some species, however, can cause diseases such as actinomycosis, a chronic granulomatous infection.

Notable Genera

The Actinobacteridae family includes several notable genera, such as:

• Actinomyces: This genus includes species that are part of the normal human microbiota but can also cause actinomycosis.
• Nocardia: Species of this genus are soil-dwelling bacteria that can cause nocardiosis, a rare but serious infection in humans.
• Streptomyces: This is the largest genus within the Actinobacteridae family and is known for its ability to produce a wide range of antibiotics.

See Also

• Actinomycetales
• Bacteria
• Microbiology