Title |
Absorbing phenomena and escaping time for Muller's ratchet in adaptive landscape
|
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Published in |
BMC Systems Biology, July 2012
|
DOI | 10.1186/1752-0509-6-s1-s10 |
Pubmed ID | |
Authors |
Shuyun Jiao, Ping Ao |
Abstract |
The accumulation of deleterious mutations of a population directly contributes to the fate as to how long the population would exist, a process often described as Muller's ratchet with the absorbing phenomenon. The key to understand this absorbing phenomenon is to characterize the decaying time of the fittest class of the population. Adaptive landscape introduced by Wright, a re-emerging powerful concept in systems biology, is used as a tool to describe biological processes. To our knowledge, the dynamical behaviors for Muller's ratchet over the full parameter regimes are not studied from the point of the adaptive landscape. And the characterization of the absorbing phenomenon is not yet quantitatively obtained without extraneous assumptions as well. |
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