Genetic Architecture of Pelvic Reduction in Nine-Spined Stickleback Populations

A quantitative trait locus (QTL) mapping study of repeated pelvic reduction in nine-spined sticklebacks. The research, led by Petri Kemppainen from the University of Helsinki, analyzed three crosses between populations with full and reduced pelvic structures, identifying genomic regions responsible for the trait. The study hypothesizes that variability in genetic architecture is linked to heterogeneity in standing genetic variation influenced by strong population structuring.

Use Cases

• Mapping genetic loci for morphological traits based on QTL analysis described in the study
• Investigating the role of standing genetic variation in local adaptation based on the described population comparisons
• Analyzing the impact of population structure on evolutionary outcomes based on the described spatial genetic heterogeneity

Strengths

• Analysis includes three distinct genetic crosses between stickleback populations
• Study screens genomes from 27 different populations for specific genetic deletions

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Data may reflect geographic or methodological bias inherent to the specific research paper

Provenance

Source

University of Helsinki

Collection Method

Quantitative trait locus (QTL) mapping approach on nine-spined stickleback populations