ハイパーサイクル
- 細胞が精巧に出来た機械ではなく、多くの化学成分が集まっていて、多くの反応が進行していくシステムとみなすと、エラーも生じるだろうに、どうしてきちんと複製や増殖をすることができるのだろうか。
この問への解答として、「ハイパーサイクル」という考え方がなされています。
ハイパーサイクルというのは、Ｂの複製をＡが触媒し、Ｃの複製をＢが触媒し、Ａの複製をＣが触媒するというものです。これらは、互いにその複製を強化するので、このループとして速い速度で増えていく。仮にエラーが生じて変異体Ａ’とかＢ’とかが生まれても、それは互いに触媒しないので複製機能が弱い。互いに触媒しあうもともとの分子のほうが増殖が速いので、変異に対して強いというのです。
地域に応用すると、たとえば、ＮＰＯのＡ、Ｂ、Ｃが互いに触発しあう、活動で協力しあうなどするとＮＰＯ全体が速く普及すると言えそうです。
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