...This phenomenon is also seen in adults that have completed development, and in many lower animals, complete regeneration occurs even if a significant part of the body is lost. Furthermore, in the case of plants, F.C. Steward and others have been actively conducting remarkable experiments since the late 1950s in which a single cell is taken from a plant that has completed development, cultured in a test tube, and then used to create a complete plant. The explanation for this epigenetic aspect of development lies in the fact that in multicellular organisms, individual cells are not autonomous, and that interactions between cells are inevitable. ... *Some of the terminology used in this article is "Steward, FC". Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このことは,発生を完了した成体でもみられるのであって,多くの下等な動物では体の相当部分を失っても,完全な再生が起こる。さらに,植物については,発生を完了した植物体から一個の細胞をとって試験管の中で培養し,これから一つの完全な植物体を作らせるというめざましい実験がスチュワードF.C.Stewardらによって1950年代の後半以来,盛んに行われるようになってきた。 このような発生の後成的側面の説明は,多細胞生物においては,個々の細胞は自律的でなく,細胞間の相互作用が必然的に存在する,という点に求められるのである。… ※「Steward,F.C.」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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