Elucidating structure-function relationships in the mammalian nucleolus.

High-resolution imaging reveals complex, dynamic architecture of mammalian nucleoli essential for ribosome biogenesis.

• Why it matters: Understanding nucleolar structure-function relationships is crucial because disruptions can lead to cellular stress and disease, yet many details remain unclear.
• What they did: The study reviews recent advances in imaging and sequencing techniques, analyzing multilayered nucleolar compartments, their physical principles, and their roles in rRNA processing and ribosome assembly.
• The result: These insights enable better understanding of nucleolar organization and suggest new avenues for therapeutic strategies targeting nucleolar dysfunctions in diseases.