Nature Communications (Jul 2021)

Gαq activation modulates autophagy by promoting mTORC1 signaling

  • Sofía Cabezudo,
  • Maria Sanz-Flores,
  • Alvaro Caballero,
  • Inmaculada Tasset,
  • Elena Rebollo,
  • Antonio Diaz,
  • Anna M. Aragay,
  • Ana María Cuervo,
  • Federico Mayor,
  • Catalina Ribas

DOI
https://doi.org/10.1038/s41467-021-24811-4
Journal volume & issue
Vol. 12, no. 1
pp. 1 – 19

Abstract

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Nutrient status in the cell regulates autophagy via mTORC1 activity. Here, the authors show that the ubiquitous G protein subunit Gαq contributes to nutrient sensing by promoting formation of an mTOR-p62-Raptor complex in replete conditions, modulating autophagy.