Yeast Fermentation Performance and Genomic Rearrangements Analysis

A reanalysis of common-garden experiment data tests whether fermentative capacity in Crabtree-positive yeasts arose from a single evolutionary event or multiple small rearrangements. Roberto F. Nespolo from the Austral University of Chile applied the lasso-OU algorithm to proxies like glycerol production and ethanol yield. The analysis suggests a whole-genomic duplication event was the key evolutionary innovation for exploiting sugar-rich niches.

Use Cases

• Modeling adaptive evolutionary shifts based on trait performance data from a common-garden experiment.
• Investigating the link between whole-genome duplication events and metabolic capacity using proxies like ethanol yield.
• Comparing phylogenetic diversity of fermentative traits between Crabtree-positive and Crabtree-negative yeast species.

Strengths

• Analysis is based on a common-garden experiment designed to represent yeast's phylogenetic diversity.
• Applies a specific algorithm (lasso-OU) to detect points of adaptive shift from trait values.
• Examines three distinct proxies of fermentative capacity: glycerol production, ethanol yield, and respiratory quotient.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count and dataset size are unknown, which may limit suitability assessment.
• Data may reflect methodological bias inherent to the specific common-garden experiment and analysis pipeline.

Provenance

Source

paperswithcode

Collection Method

Reanalysis of data from a common-garden experiment measuring yeast fermentative performance.