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Updated: Jul 7, 2026

Measuring mRNA Levels Over Time During the Yeast S. cerevisiae Hypoxic Response
Published on: August 10, 2017
Evolution of gene sequence and gene expression are not correlated in yeast
1Department of Molecular Genetics, Weizmann Institute of Science, Rehovot 76100, Israel.
Abstract:
We show that, in yeast, the divergence rate of gene expression is not correlated with that of its associated coding sequence. Gene essentiality influences both modes of evolution, but other properties related to protein structure or promoter composition are only correlated with coding-sequence divergence or gene expression divergence, respectively. Based on these findings, we discuss the possibilities of neutral evolution of gene expression and of different modes of evolution in unicellular versus multicellular organisms.
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