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プロカリオート【prokaryote/procaryote】

読み方:ぷろかりおーと

原核生物核膜もたない生物。⇔ユーカリオート


原核生物

(プロカリオート から転送)

出典: フリー百科事典『ウィキペディア(Wikipedia)』 (2024/04/08 09:11 UTC 版)

原核生物(げんかくせいぶつ、: prokaryote, or procaryote[1])は、や他の結合細胞小器官を持たない単細胞生物である[2]。原核生物という用語は、古代ギリシア語πρό (pró)「前」と κάρυον (káruon)「仁、核」に由来する[3][4]エドゥアール・シャットンの研究に基づく2帝系英語版では、原核生物は原核生物帝(Prokaryota)に分類されていた[5]。しかし、分子的分析に基づく3ドメイン系英語版では、原核生物は 細菌Bacteria、旧: Eubacteria)と古細菌Archaea、旧: Archaebacteria)の2つのドメインに分けられる。細胞核(核)を持つ生物は、第3のドメインである真核生物Eukaryota or Eucarya)に位置づけられる[6]


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