Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages. Most prokaryotes are small, single-celled organisms that ...

Homologous defense proteins in archaea and eukaryotes point to these early prokaryotes role in the immune system of modern ...

Thor. Loki. Heimdall. They're not just Norse gods or Marvel characters. They're also the names of various Asgard archaea.

Archaea and bacteria, on the other hand, are prokaryotic, meaning they don’t contain such structures. While these two other domains might look similar under a microscope, there is a long list of ...

Planctomycetes challenge our concept of the bacterial cell and of a prokaryote as a cell structure type, as well as our ideas about origins of the eukaryote nucleus. Planctomycetes Are Important ...

Vast numbers of different prokaryotic microorganisms shape the biosphere, with diverse metabolic capabilities. Determination of genome sequences for a wide range of bacteria and archaea now requires ...

But archaea cells are evolutionarily closer to eukaryotic life forms, like plants and animals, than they are to their simpler microbial cousins. Based on their genomes, some scientists think ...

Image © S. Ahmerkamp/Max Planck Institute for Marine Microbiology shows a newly found endosymbiont | Cell And Molecular Biology ...

But there are none. Instead, there is a yawning gulf. On one side there are the tiny bacteria and archaea, collectively known as prokaryotes. On the other side there are the huge and unwieldy ...