A faster rate of adaptive evolution of X‐linked genes compared with autosomal genes can
be caused by the fixation of recessive or partially recessive advantageous mutations, due to …

We are launching a series to celebrate the 40th anniversary of the first issue of Molecular
Biology and Evolution. In 2024, we will publish virtual issues containing selected papers …

doublesex regulates early embryonic sex differentiation in holometabolous insects, along
with the development of species-, sex-, and morph-specific adaptations during pupal stages …

The regulatory architecture of gene expression is known to differ substantially between
sexes in Drosophila, but most studies performed so far used whole-body data and only …

In evolutionary genomics, it is fundamentally important to understand how characteristics of
genomic sequences, such as gene expression level, determine the rate of adaptive …

Gene expression evolution is typically modeled with the stochastic Ornstein-Uhlenbeck (OU)
process. It has been suggested that the estimation of within-species variations using …

Phenotypic sexual dimorphism can be mediated by sex differences in gene expression. We
examine two forms of sexual dimorphism in gene expression in Drosophila melanogaster: 1) …

Pleiotropy is the well-established idea that a single mutation affects multiple phenotypes. If a
mutation has opposite effects on fitness when expressed in different contexts, then genetic …

The faster-X effect, namely the rapid evolution of protein-coding genes on the X
chromosome, has been widely reported in metazoans. However, the prevalence of this …

Recent studies on nuclear-encoded mitochondrial genes (N-mt genes) in Drosophila
melanogaster have shown a unique pattern of expression for newly duplicated N-mt genes …