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Updated: Oct 19, 2025
06:53
In Vivo Monitoring of Transcriptional Activity During Metabolic Transition Using a Bioluminescent Reporter in Yeast
Published on: February 21, 2025
619
The evolution of the GALactose utilization pathway in budding yeasts
Marie-Claire Harrison1, Abigail L LaBella1, Chris Todd Hittinger2
1Department of Biological Sciences, Vanderbilt University, Nashville, TN, USA.
Trends in Genetics : TIG
|September 20, 2021
Summary
The galactose utilization (GAL) pathway in budding yeasts is a model for studying metabolic pathway evolution and gene clustering. Recent research explores its gene organization, regulation, and population genetics.
Area of Science:
- * Evolutionary biology
- * Microbial genetics
- * Biochemistry
Background:
- * The Leloir galactose utilization (GAL) pathway in budding yeasts, such as Saccharomyces cerevisiae and Candida albicans, metabolizes galactose for energy.
- * The GAL pathway is a model for understanding eukaryotic metabolic pathway evolution and regulation.
- * Gene clustering of GAL1, GAL7, and GAL10 in yeast genomes serves as a model for studying the evolution of gene organization.
Purpose of the Study:
- * To review recent advancements in understanding the evolution of the GAL pathway.
- * To focus on three key aspects: gene cluster organization, gene regulation, and population genetics.
Main Methods:
- * Review of recent scientific literature.
- * Analysis of gene cluster organization across diverse budding yeast species.
- * Examination of regulatory mechanisms governing GAL gene expression.
- * Investigation of population genetics related to the GAL pathway.
Main Results:
- * Significant insights into the evolutionary dynamics of gene cluster organization within the GAL pathway.
- * Advances in understanding the regulatory networks controlling GAL gene expression.
- * New findings regarding the population genetics of the GAL pathway in different yeast strains.
Conclusions:
- * The GAL pathway continues to be a valuable model for evolutionary studies.
- * Recent work has significantly advanced our understanding of GAL pathway evolution in terms of gene organization, regulation, and population genetics.
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