Breviatea

Breviatea

Breviatea is a group of single-celled eukaryotic organisms that are part of the larger clade known as Obazoa. These organisms are of particular interest to researchers studying the early evolution of eukaryotes due to their unique characteristics and evolutionary position.

Characteristics

Breviatea are amoeboid organisms that lack certain features found in more derived eukaryotes, such as mitochondria with cristae. Instead, they possess mitochondria with tubular cristae, which is considered a more primitive feature. They are typically found in anaerobic or microaerophilic environments, where they play a role in the decomposition of organic matter.

Taxonomy

Breviatea is a small group within the larger clade Obazoa, which also includes Opisthokonta and Apusomonadida. The exact placement of Breviatea within the eukaryotic tree of life has been a subject of debate, but recent molecular studies have helped clarify their position as a sister group to Opisthokonta and Apusomonadida.

Genera

The group Breviatea includes the following genera:

• Breviata
• Subulatomonas

Evolutionary Significance

Breviatea is significant in the study of eukaryotic evolution because it represents a lineage that diverged early from the common ancestor of Opisthokonta and Apusomonadida. This makes them an important group for understanding the characteristics of early eukaryotes and the evolution of complex cellular structures.

Research and Studies

Recent studies have focused on the genome sequencing of Breviatea to better understand their biology and evolutionary history. These studies have revealed insights into the metabolic pathways and cellular structures of these organisms, shedding light on the diversity of life forms in early eukaryotic evolution.

Also see

• Eukaryote
• Opisthokonta
• Apusomonadida
• Amoebozoa
• Protist