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On Recursive Production and Evolvabilty of Cells: Catalytic Reaction Network Approach | | Kunihiko Kaneko
; | | Date: |
12 Apr 2005 | | Journal: | Adv Chem. Phys 130 (2005) 543-598 | | Subject: | Molecular Networks; Cell Behavior; Statistical Mechanics; Biological Physics; Adaptation and Self-Organizing Systems | q-bio.MN cond-mat.stat-mech nlin.AO physics.bio-ph q-bio.CB | | Abstract: | To unveil the logic of cell from a level of chemical reaction dynamics, we need to clarify how ensemble of chemicals can autonomously produce the set of chemical, without assuming a specific external control echanism. A cell consists of a huge number of chemical species that catalyze each other. Often the number of each molecule species is not so large, and accordingly the number fluctuations in each molecule speciescan be large. In the amidst of such diversity and large fluctuations, how can a cell make recursive production? On the other hand, a cell can change its state to evolve to a different type over a longer time span. How are reproduction and evolution compatible? We address these questions, based on several model studies with catalytic reaction network. In the present survey paper, we first formulate basic questions on the recursiveness and evolvability of a cell, and then state the standpoint of our research to answer the questions, that is termed as ’constructive biology’. Based on this standpoint, we present general strategy of modeling a cell as a chemical reaction network. | | Source: | arXiv, q-bio.MN/0504016 | | Services: | Forum | Review | PDF | Favorites | |
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