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The role of constrained self-organization in genome structural evolution
1Center for Intelligent Systems, T.J. Watson School, State University of New York at Binghamton 13902, USA.
Acta Biotheoretica
|June 1, 1996
Summary
Genome evolution involves dynamic interactions within chromosomal subsystems. These constrained interactions drive complexity and expand evolutionary possibilities through genome turnover.
Area of Science:
- Genomics
- Evolutionary Biology
- Molecular Biology
Background:
- Genome organization is dynamic and subject to complex interactions.
- Understanding the drivers of genome structural evolution is crucial for evolutionary biology.
Purpose of the Study:
- To explore a hypothesis of genome structural evolution.
- To propose a model for how genome complexity increases.
Main Methods:
- Theoretical exploration of genome structural evolution.
- Analysis of macromolecular boundary conditions and DNA element involvement.
- Consideration of channelling genome turnover and subsystem interactions.
Main Results:
- Genome complexity increases via channelling of genome turnover through subsystem interactions.
- Universal features of chromosome organization and metastable genome structures suggest generic constraints.
- Perturbations like 'genomic shock' and transposable element bursts are systemic responses to constraints.
Conclusions:
- Genome evolution is driven by dynamic, constrained interactions of chromosomal subsystems.
- Increasing chromosomal complexity and ordered interactions enhance constraints on genome turnover.
- This framework explains phenomena like genomic shock and transposable element activity.