253 citations · 3k across the 163 of their papers we have counts for
6 papers · 1 filter
Evolution of genetic code through isologous diversification of cellular states
H. Takagi, K. Kaneko, T. Yomo
Evolution of genetic code is studied as the change in the choice of enzymes that are used to synthesize amino acids from the genetic information of nucleic acids. We propose the fo…
Sympatric speciation: compliance with phenotype diversification from a single genotype
Kunihiko Kaneko, Tetsuya Yomo
A novel mechanism for sympatric speciation that takes into account complex bio-processes within each individual organism is proposed. According to dynamical systems theory, organis…
Theory of Robustness of Irreversible Differentiation in a Stem Cell System: Chaos hypothesis
Chikara Furusawa, Kunihiko Kaneko
Based on extensive study of a dynamical systems model of the development of a cell society, a novel theory for stem cell differentiation and its regulation is proposed as the ``cha…
Long-term Relaxation of a Composite System in Partial Contact with a Heat Bath
Naoko Nakagawa, Kunihiko Kaneko, Teruhisa S. Komatsu
We study relaxational behavior from a highly excited state for a composite system in partial contact with a heat bath, motivated by an experimental report of long-term energy stora…
Transitions Induced by the Discreteness of Molecules in a Small Autocatalytic System
Yuichi Togashi, Kunihiko Kaneko
Autocatalytic reaction system with a small number of molecules is studied numerically by stochastic particle simulations. A novel state due to fluctuation and discreteness in molec…
Energy Storage in a Hamiltonian System in Partial Contact with a Heat Bath
Naoko Nakagawa, Kunihiko Kaneko
To understand the mechanism allowing for the long-term storage of excess energy in proteins, we study a Hamiltonian system consisting of several coupled pendula in partial contact…