A Nature Communications study by Coelho, Fatalska, Geymonat and colleagues mapped molecular crosstalk that monitors and regulates centrosome numbers, linking centriole biology to autophagy. The work focuses on how cells detect centrosome amplification—a feature often associated with genomic instability and cancer progression. By identifying pathways connecting the structural centrosome machinery with autophagic regulation, the study provides a mechanistic framework for how abnormal centrosome counts can be sensed and potentially corrected. In cancer biology, such quality-control mechanisms are increasingly viewed as intervention targets. The results add to a growing picture where autophagy acts beyond bulk recycling, functioning as a signaling and surveillance process tied to cell division integrity.