期刊
TRENDS IN PLANT SCIENCE
卷 17, 期 11, 页码 638-643出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tplants.2012.06.006
关键词
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资金
- US National Science Foundation [DEB-0842280, -1043602]
- Natural Science and Engineering Research Council of Canada
- National Evolutionary Synthesis Center (NESCent, NSF) [EF-0905606]
- Direct For Biological Sciences
- Division Of Environmental Biology [0842280] Funding Source: National Science Foundation
- Office of Integrative Activities
- Office Of The Director [1004057] Funding Source: National Science Foundation
Interactions between cytoplasmic and nuclear genomes have significant evolutionary consequences. In angio-sperms, the most common cytonuclear interaction is between mitochondrial genes that disrupt pollen production (cytoplasmic male sterility, CMS) and nuclear genes that restore it (nuclear male fertility restorers, Rf). The outcome of CMS/Rf interactions can depend on whether Rf alleles have negative pleiotropic effects on fitness. Although these fitness costs are often considered to be independent of the ecological context, we argue that the effects of Rf alleles on fitness should be context dependent. Thus, measuring the cost of restoration across a range of environments could help explain geographic and phylogenetic variation in the distribution of Rf alleles and the outcome of CMS/Rf interactions.
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