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原文連結
論文資訊
- 類型：已發表論文
- 日期：2000
摘要
In this paper, we consider the 演化ary dynamics of catalytically active 物種 with a distinct genotype-phenotype relationship. Folding landscapes of RNA molecules serve as a paradigm for this relationship with essential neutral properties. The landscape itself is partitioned by phenotypes (realized as RNA secondary structures). To each genotype (represented as a sequence) a structure is assigned in a unique way. The set of all sequences which map into a particular structure is modeled as a 隨機圖 in sequence space (the so-called neutral 網絡). A catalytic 網絡 is realized as a random digraph with maximal out-degree two and secondary structures as vertex sets. A 族群 of catalytic RNA molecules shows significantly different behavior compared to a deterministic description: hypercycles are able to co-exist
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