Nature Communications (Mar 2020)

Rap1-GTPases control mTORC1 activity by coordinating lysosome organization with amino acid availability

  • Anders P. Mutvei,
  • Michal J. Nagiec,
  • Jens C. Hamann,
  • Sang Gyun Kim,
  • C. Theresa Vincent,
  • John Blenis

DOI
https://doi.org/10.1038/s41467-020-15156-5
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 13

Abstract

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mTORC1 regulates cellular growth from the lysosome, but how changes in the organisation of the lysosomal system affect mTORC1 signalling is poorly understood. Here the authors show that amino acid-dependent Rap1-mediated changes in lysosomal abundance determine overall signalling output of mTORC1.