ArticleThe plant genome2019
Predicted Genetic Gains from Targeted Recombination in Elite Biparental Maize Populations.
Article in The plant genome, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Simulating the impact of recombination rate on genomic selection breeding outcomes.G3 (Bethesda, Md.) · 2026Article
- Do maize chromosomes contribute to genetic variance in proportion to their size in elite populations?The plant genome · 2026Article
- dCas9-SPO11-1 locally stimulates meiotic recombination in rice.Frontiers in plant science · 2025Article
- Whole-genome versus per-chromosome targeted recombination: Simulations and predicted gains in maize with an integer programming model.The plant genome · 2023Article
- Exploring impact of recombination landscapes on breeding outcomes.Proceedings of the National Academy of Sciences of the United States of America · 2023Review
- Article
- If it ain't broke, don't fix it: evaluating the effect of increased recombination on response to selection for wheat breeding.G3 (Bethesda, Md.) · 2022Article
- Genomic selection in tropical perennial crops and plantation trees: a review.Molecular breeding : new strategies in plant improvement · 2022Review
- Review
- Linear, funnel, and multiple funnel schemes for stacking chromosomes that carry targeted recombinations in plants.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Predicted genetic gains from introgressing chromosome segments from exotic germplasm into an elite soybean cultivar.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Assessing by Modeling the Consequences of Increased Recombination in Recurrent Selection ofG3 (Bethesda, Md.) · 2019Article
- Targeted recombination to increase genetic gain in self-pollinated species.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Targeted recombination is the ability to induce or select for specific recombination points on chromosomes. A first study with the intermated B73 × Mo17 maize ( L.) population showed that targeted recombination doubles the predicted gains for yield and other agronomic traits. Our objective was to assess the predicted gains from targeted recombination for quantitative traits in multiple, elite maize populations. A total of 969 biparental maize populations were phenotyped at four to 12 environments in the United States from 2000 to 2008. Positions of one and two targeted recombinations per chromosome were determined from genomewide marker effects for 2911 single nucleotide polymorphism (SNP) loci. Relative efficiency (RE) was calculated as the predicted response to targeted recombination divided by the predicted response to nontargeted recombination. On average, targeted recombination doubled the predicted genetic gains for yield, moisture, and test weight. For each trait, RE ranged from around 60 to 400% among the populations, and targeted recombination did not increase gains in around 4% of the populations. The RE tended to decrease as the similarity between the parents increased. Having targeted recombination on three chromosomes (for yield and test weight) to seven chromosomes (for moisture) led to the same or greater predicted gain than nontargeted recombination. Marker intervals for targeted recombination varied across populations and traits. Overall, our results for multiple, elite maize populations indicated that targeted recombination is a most promising breeding approach.
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