ArticleHeredity2022
Development of first linkage map for Silphium integrifolium (Asteraceae) enables identification of sporophytic self-incompatibility locus.
Article in Heredity, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- A lectin receptor-like kinase controls self-pollen recognition inProceedings of the National Academy of Sciences of the United States of America · 2026Article
- S-RNase-based self-incompatibility in angiosperms: Degradation, condensation, and evolution.Plant physiology · 2025Review
- Whole-genome mapping reveals QTLs linked to key agronomic traits in bi-parental populations of field cress (Lepidium campestre).BMC plant biology · 2025Article
- Mapping quantitative trait loci associated with self-(in)compatibility in goji berries (Lycium barbarum).BMC plant biology · 2024Article
- Molecular insights into self-incompatibility systems: From evolution to breeding.Plant communications · 2024Review
- Article
- Increased Invasion Risk ofPlants (Basel, Switzerland) · 2022Article
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Authors and funding
5 authors.
Funding
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Abstract
Silphium integrifolium (Asteraceae) has been identified as a candidate for domestication as a perennial oilseed crop and is assumed to have sporophytic self-incompatibility system-the genetic basis of which is not well understood in the Asteraceae. To address this gap, we sought to map the genomic location of the self-recognition locus (S-locus) in this species. We used a biparental population and genotyping-by-sequencing to create the first genetic linkage map for this species, which contained 198 SNP markers and resolved into the correct number of linkage groups. Then we developed a novel crossing scheme and set of analysis methods in order to infer S-locus genotypes for a subset of these individuals, allowing us to map the trait. Finally, we evaluated potential genes of interest using synteny analysis with the annual sunflower (Helianthus annuus) and lettuce (Lactuca sativa) genomes. Our results confirm that S. integrifolium does indeed have a sporophytic self-incompatibility system. Our method is effective and efficient, allowed us to map the S. integrifolium S-locus using fewer resources than existing methods, and could be readily applied to other species.
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