AFLP analysis of genetic diversity in determinate and indeterminate snap bean accessions

72 snap bean accessions from the Universidade Estadual de Londrina germplasm bank were analyzed using amplified fragment length polymorphism (AFLP) markers. The study characterized 40 determinate and 32 indeterminate growth habit accessions, revealing 485 informative loci. Analysis by Felipe Aranha de Andrade showed indeterminate accessions exhibited greater variability and suggested associations with Andean and Mesoamerican gene pools.

Use Cases

• Classifying snap bean growth habits based on genetic marker profiles.
• Analyzing population structure and genetic divergence between determinate and indeterminate bean types.
• Investigating associations between growth habit and ancestral gene pools (Andean vs. Mesoamerican).
• Identifying potential introgression events between gene pools using Bayesian analysis results.

Strengths

• Analysis of 72 total accessions provides a basis for population-level inference.
• 485 informative AFLP loci offer a detailed genetic fingerprint for comparison.
• Multiple analytical methods (UPGMA, PCoA, Bayesian) were applied to validate clustering.

Limitations

• Row count and specific column-level data are unknown, limiting suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Universidade Estadual de Londrina (UEL) germplasm bank

Collection Method

Genetic analysis using amplified fragment length polymorphism (AFLP) markers