Archaea (/ɑːrˈkiːə/ ar-KEE-ə; sg.: archaeon /ɑːrˈkiːən/ ar-KEE-ən) is a domain of single-celled organisms. These microorganisms lack cell nuclei and are...

Archaea is a domain of single-celled organisms. Archaea or archea may also refer to: Archaea (spider), an extinct genus of Archaeidae Archaea (journal)...

domains such as Archaea, Bacteria, and Eukarya, or two domains consisting of Archaea and Bacteria, with Eukarya included in Archaea. In the three-domain...

or Asgardarchaeota is a proposed superphylum consisting of a group of archaea that contain eukaryotic signature proteins. It appears that the eukaryotes...

classification system that groups all cellular life into three domains, namely Archaea, Bacteria and Eukarya, introduced by Carl Woese, Otto Kandler and Mark...

the Asgard archaea, and are closely related to the Heimdallarchaeia. This implies that there are only two domains of life, Bacteria and Archaea, with eukaryotes...

The Surprising Archaea: Discovering Another Domain of Life is a popular science book written about the domain Archaea. It was written by John L. Howland...

Eukaryota. Archaea are further divided into multiple recognized phyla. Archaea and bacteria are generally similar in size and shape, although a few archaea have...

are classified into two domains, Bacteria and Archaea. It emerged from development of knowledge of archaea diversity and challenges to the widely accepted...

domains of life they can be extremely diverse. Two of the three domains, Archaea and Bacteria, only contain microorganisms. The third domain Eukaryota includes...

Archaea, one of the three domains of life, are a highly diverse group of prokaryotes that include a number of extremophiles. One of these extremophiles...

prokaryotes are divided into two domains: Bacteria (formerly Eubacteria) and Archaea (formerly Archaebacteria). Organisms with nuclei are placed in a third...

Canada used a system of six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea/Archaebacteria, and Bacteria or Eubacteria), while textbooks in other parts...

Cell wall Capsule Pili Marine prokaryotes are marine bacteria and marine archaea. They are defined by their habitat as prokaryotes that live in marine environments...

Most prokaryotes are unicellular and are classified into bacteria and archaea. Many eukaryotes are multicellular, but some are unicellular such as protozoa...

aerobic process performed by small groups of autotrophic bacteria and archaea. The process of nitrification begins with the first stage of ammonia oxidation...

ancient common ancestor. These evolutionary domains are called Bacteria and Archaea. The word bacteria is the plural of the Neo-Latin bacterium, which is the...

Archaea is an extinct genus of spiders in the family Archaeidae. As of October 2016[update], four species are placed (or possibly placed) in the genus...

life forms. No form of extraterrestrial life has yet been discovered. Archaea – a domain of single-celled microorganisms, morphologically similar to...

One main characteristic of the three-domain method is the separation of Archaea and Bacteria, previously grouped into the single kingdom Bacteria (a kingdom...

DPANN is a superphylum of Archaea first proposed in 2013. Many members show novel signs of horizontal gene transfer from other domains of life. They are...

more empirical in recent years. The Taxonomic Outline of Bacteria and Archaea is a derived publication indexing taxon names from version two of the manual...

ancestral cell from which the three domains of life, the Bacteria, the Archaea, and the Eukarya originated. It is suggested to have been a "cellular organism...

a metabolic byproduct in hypoxic conditions. They belong to the domain Archaea and are members of the phylum Euryarchaeota. Methanogens are common in...

plants (also including algae and fungi) and prokaryotes (bacteria and archaea), is Latin and binomial in form; this contrasts with common or vernacular...

now recognised as archaea. Flat, square-shaped cells of the archaea Haloquadratum walsbyi Methanosarcina barkeri, a marine archaea that produces methane...

hollow structures which resemble tubes that are only found in certain archaea cells. Specifically identifying family members of the Pyrodictium genus...

Orania archaea is a species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails. Subspecies Orania archaea archaea...

chemosynthesis (via oxidizing inorganic compounds such as hydrogen sulfide) by archaea and bacteria. Animals evolved in the sea. Lineages of arthropods colonised...

to occur in biomolecules, being found in a few species of bacteria and archaea. However, tungsten interferes with molybdenum and copper metabolism and...