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Definition
Domain is the highest taxonomic rank in the hierarchical biological classification system, above the kingdom level. There are three domains of life, the Archaea, the Bacteria, and the Eukarya. Organisms from Archaea and Bacteria have a prokaryotic cell structure, whereas organisms from the domain Eukarya (eukaryotes) encompass cells with a nucleus confining the genetic material from the cytoplasm.
Overview
The term “domain” was introduced by Carl R. Woese et al. (1990) together with the proposal of a natural classification system for all life on Earth, including microorganisms, which had previously escaped any attempt of classification based on evolutionary relationships (Woese et al. 1990). Woese’s proposal to class life in three major phylogenetic domains was an attempt to institutionalize the three major phylogenetic groupings of organisms that he had previously observed and defined (Woese and Fox 1977) based on differences...
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References and Further Reading
Sapp J (2009) The new foundations of evolution. Oxford University Press, New York, p 425
Woese C, Fox GE (1977) Phylogenetic structure of the prokaryotic domain: the primary kingdoms. Proc Natl Acad Sci U S A 74:83–86
Woese CR, Kandler O, Wheelis ML (1990) Towards a natural system of organisms. Proposal for the domains Archaea, Bacteria and Eucarya. Proc Natl Acad Sci U S A 87:4576–4579
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López-García, P. (2014). Domain (Taxonomy). In: Amils, R., et al. Encyclopedia of Astrobiology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27833-4_454-3
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DOI: https://doi.org/10.1007/978-3-642-27833-4_454-3
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Publisher Name: Springer, Berlin, Heidelberg
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