Faba Bean QTL Maps for Morphology, Yield, and Disease Resistance

Two high-density linkage maps for faba bean, comprising 2,043 and 3,903 SNPs, anchor 59 identified QTLs to the reference genome. The dataset, published by Lorena Barea in 2026, integrates phenotypic data from multiple environments and years to prioritize candidate genes for agronomic traits. Overlapping genomic regions contain between 2 and 596 genes, including transcription factors and signaling proteins.

Use Cases

• Prioritizing candidate genes for functional validation based on QTL intervals anchored to the reference genome.
• Conducting colocalization analyses to identify stable loci across different genetic backgrounds and environments.
• Informing marker-assisted breeding programs for traits like yield, morphology, and resistance to Ascochyta fabae and Orobanche spp.

Strengths

• Dataset includes 59 identified QTLs from two recombinant inbred line populations.
• Linkage maps are high-density, with 2,043 and 3,903 SNPs respectively, providing improved resolution.
• QTL intervals are anchored to a physical reference genome, enabling refined mapping and candidate gene identification.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The 80.6 KB file size suggests a limited scope, likely containing summary results rather than raw phenotypic/genotypic data.

Provenance

Source

figshare

Collection Method

Genetic mapping using the Vfaba_v2 Axiom SNP array on two recombinant inbred line populations phenotyped across multiple environments.

Freshness

Last updated 2026-04-29 05:58:21; freshness should be verified.