Archaea 古細菌(こさいきん)

■Level: domain (superkingdom, empire)

■Common name: archaebacteria

■Romanization: /kosaikin/

◆Description: Despite their common name, the archaebacteria (old bacteria) are not bacteria. The Japanese name also means old 古 bacteria 細菌. Although lacking a well-defined nucleus (as with bacteria), archaebacteria have genetic material more similar to eucaryotes. The discovery of the genetic similarity led to many scientists adopting the level of domain. Archaebacteria tend to be thermophilic 好熱性 or superthermophilic (hyperthermophilic) 超好熱性, particularly the Crenarchaeota, or methane-producing, the Euryarchaeota. Most known are anaerobic 嫌気性, living in the absence of oxygen.


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Selected works:
1. Rare Earth: Why Complex Life is Uncommon in the Universe by Peter D. Ward & Donald Brownlee, pub. 2000 by Copernicus, ISBN 0-387-98701-0
2. Encarta 1999 by Microsoft
3. Space Ref...
4. The Tree of Life Project Root Page

This entry was created by Benjamin Barrett.

Created 2000-08-10.

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