Archaebacteria

Japanese: archaebacteria
Archaebacteria

… Knowledge about the structure and components of ribosomes, and differences in electron microscope images, provide important clues to understanding the phylogenetic evolution of organisms. In particular, comparisons of rRNA base sequences have brought about a major revolution in the classification of prokaryotes. In other words, based on comparisons of the homology of 16S rRNA, it has been proposed to divide traditional prokaryotes into eubacteria and archaebacteria. Archaebacteria include methanogens, extreme halophiles, and anaerobic thermophiles, and there is a theory that they are the origin of eukaryotes based on their common biochemical properties. …

*Some of the terminology that mentions "archaebacteria" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

… リボソームの構成と構成成分に関する知見,電子顕微鏡像の違いは,生物の系統進化を知るうえで重要な手がかりを与えるもので,とくにrRNAの塩基配列の比較は原核生物の分類に大きな変革をもたらした。すなわち16S rRNAの相同性の比較から,従来の原核生物を真正細菌と古細菌archaebacteriaに分けることが提唱されている。メタン細菌,高度好塩菌,嫌気性好熱菌などが古細菌で,その他の生化学的性質の共通性から真核生物の起源とする説がある。…

※「archaebacteria」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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