Changes in cis-regulatory elements (CREs) have a major role in the evolution of gene expression 1. Mutations in CREs can affect their interactions with transcription factors, change the timing, ...
Proteins evolve through a dynamic interplay of mutation, genetic drift and natural selection acting on codon changes, structural constraints and interaction networks. Mutations that alter amino acids ...
Researchers report that ancient viruses may be to thank for myelin -- and, by extension, our large, complex brains. The team found that a retrovirus-derived genetic element or 'retrotransposon' is ...
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