ArticleEvolutionary applications2012
Genomic regions in crop-wild hybrids of lettuce are affected differently in different environments: implications for crop breeding.
Article in Evolutionary applications, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Mapping and identification of genetic loci affecting earliness of bolting and flowering in lettuce.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Quantitative Trait Loci and Candidate Genes Associated with Photoperiod Sensitivity in Lettuce (Lactuca spp.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Compensation of Wild Plants Weakens the Effects of Crop-Wild Gene Flow on Wild Rice Populations.Frontiers in plant science · 2021Article
- A Composite Analysis of Flowering Time Regulation in Lettuce.Frontiers in plant science · 2021Article
- Innovative breeding technologies in lettuce for improved post-harvest quality.Postharvest biology and technology · 2020Review
- Translating Flowering Time From Arabidopsis thaliana to Brassicaceae and Asteraceae Crop Species.Plants (Basel, Switzerland) · 2018Review
- Genetic Control of Water and Nitrate Capture and Their Use Efficiency in Lettuce (Lactuca sativa L.).Frontiers in plant science · 2016Article
- Abiotic stress QTL in lettuce crop-wild hybrids: comparing greenhouse and field experiments.Ecology and evolution · 2014Article
- Crop-to-wild gene flow and spatial genetic structure in the closest wild relatives of the cultivated apple.Evolutionary applications · 2013Article
- QTL affecting fitness of hybrids between wild and cultivated soybeans in experimental fields.Ecology and evolution · 2013Article
- Genomic and environmental selection patterns in two distinct lettuce crop-wild hybrid crosses.Evolutionary applications · 2013Article
- An Ultra-High-Density, Transcript-Based, Genetic Map of Lettuce.G3 (Bethesda, Md.) · 2013Article
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Authors and funding
7 authors.
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Abstract
Many crops contain domestication genes that are generally considered to lower fitness of crop-wild hybrids in the wild environment. Transgenes placed in close linkage with such genes would be less likely to spread into a wild population. Therefore, for environmental risk assessment of GM crops, it is important to know whether genomic regions with such genes exist, and how they affect fitness. We performed quantitative trait loci (QTL) analyses on fitness(-related) traits in two different field environments employing recombinant inbred lines from a cross between cultivated Lactuca sativa and its wild relative Lactuca serriola. We identified a region on linkage group 5 where the crop allele consistently conferred a selective advantage (increasing fitness to 212% and 214%), whereas on linkage group 7, a region conferred a selective disadvantage (reducing fitness to 26% and 5%), mainly through delaying flowering. The probability for a putative transgene spreading would therefore depend strongly on the insertion location. Comparison of these field results with greenhouse data from a previous study using the same lines showed considerable differences in QTL patterns. This indicates that care should be taken when extrapolating experiments from the greenhouse, and that the impact of domestication genes has to be assessed under field conditions.
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