Evolutionary BiologybioRxiv
Ancient balancing selection maintains incompatible versions of a conserved metabolic pathway in yeast
J. Boocock, M. J. Sadhu, J. S. Bloom, L. Kruglyak
The paper identifies ancient balancing selection maintaining incompatible galactose metabolic pathway variants in yeast, revealing a tradeoff between growth in galactose and glucose.
DOI 10.1126/science.aba0542