期刊
GENETICS
卷 171, 期 2, 页码 803-812出版社
GENETICS
DOI: 10.1534/genetics.105.041301
关键词
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资金
- NIGMS NIH HHS [R01 GM028016, GM28016] Funding Source: Medline
Empirical data suggest that recombination rates may change in response to stress. To study the evolution of plastic recombination, we develop a modifier model using the same theoretical framework used to study conventional (nonplastic) modifiers, thus allowing direct comparison. We examine the evolution of plastic recombination in both haploid and diploid systems. In haploids, a plastic modifier spreads by forming associations with selectively favored alleles. Relative to nonplastic effects, selection On the plastic effects of a modifier is both much stronger and less sensitive to the specifics of the selection regime (e.g., epistasis). In contrast, the evolution of plastic recombination in diploids is much more restricted. Selection on plasticity requires the ability to detect DNA damage or cis-trans effects as may Occur trough maternal effects on fitness.
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