期刊
ANNUAL REVIEW OF ECOLOGY, EVOLUTION, AND SYSTEMATICS, VOL 44
卷 44, 期 -, 页码 325-345出版社
ANNUAL REVIEWS
DOI: 10.1146/annurev-ecolsys-110512-135840
关键词
gene flow; hybridization; plant conservation genetics; transgene flow; evolution; invasiveness
资金
- Direct For Biological Sciences [1020799] Funding Source: National Science Foundation
- Division Of Environmental Biology [1020799] Funding Source: National Science Foundation
- Natural Environment Research Council [CEH010021] Funding Source: researchfish
The evolutionary significance of introgression has been discussed for decades. Questions about potential impacts of transgene flow into wild and weedy populations brought renewed attention to the introgression of crop alleles into those populations. In the past two decades, the field has advanced with considerable descriptive, experimental, and theoretical activity on the dynamics of crop gene introgression and its consequences. As illustrated by five case studies employing an array of different approaches, introgression of crop alleles has occurred for a wide array of species, sometimes without significant consequence, but on occasion leading to the evolution of increased weediness. A new theoretical context has emerged for analyzing empirical data, identifying factors that influence introgression, and predicting introgression's progress. With emerging molecular techniques and analyses, research on crop allele introgression into wild and weedy populations is positioned to make contributions to both transgene risk assessment and reticulate evolution.
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