Rafael Galupa

The paper reassesses the 'sexy' X hypothesis by analyzing X-linked gene expression and associations with male-specific reproductive disorders, finding male-biased enrichment in testicular cell types and monogenic disorders.

The paper shows that mutations in developmental enhancers in Drosophila mostly alter existing expression patterns, while random sequences can act as enhancers with broader expression, suggesting constraints on phenotypic novelty from existing enhancers.

The paper inverts a topological domain and shows it causes limited gene expression changes but affects inter-domain communication, particularly in Xist expression.

This study shows that H3K4me1 hypomethylation in Drosophila leads to context-dependent changes in morphology, metabolism, and behavior, suggesting it acts as a phenotypic capacitor.

The paper investigates X-linked gene reactivation in mouse inner cell mass by analyzing epigenetic marks and transcription factors, finding differential reactivation speeds and mechanisms.