A population dynamics approach to biological aging

A population dynamics approach to biological aging

A dynamical model for aging in biological population is discussed where asexual reproduction is considered. The maximum life span is inherited from parent to offspring with some random mutations described by a transition matrix, and the fertile period begins at a defined age R. The intra species com...

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1. Verfasser: de Almeida, R. M. C.
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Sprache:eng
Schlagworte:
Asexual Reproduction
Asymptotic Solution
Biological Aging
Mutation Accumulation
Random Mutation
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description A dynamical model for aging in biological population is discussed where asexual reproduction is considered. The maximum life span is inherited from parent to offspring with some random mutations described by a transition matrix, and the fertile period begins at a defined age R. The intra species competition is modeled through a Verhulst-like factor. Discrete time evolution equations are iterated and the transient and asymptotic solutions are obtained. When only bad mutations are taken into account, the stationary solutions are obtained analytically. The results are applied to the Penna model.
doi_str_mv 10.1007/BFb0105014
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ispartof Statistical Mechanics of Biocomplexity, 2007, p.165-171
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1616-6361
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subjects Asexual Reproduction
Asymptotic Solution
Biological Aging
Mutation Accumulation
Random Mutation
title A population dynamics approach to biological aging
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