Nature Communications (Aug 2022)

Direct control of lysosomal catabolic activity by mTORC1 through regulation of V-ATPase assembly

  • Edoardo Ratto,
  • S. Roy Chowdhury,
  • Nora S. Siefert,
  • Martin Schneider,
  • Marten Wittmann,
  • Dominic Helm,
  • Wilhelm Palm

DOI
https://doi.org/10.1038/s41467-022-32515-6
Journal volume & issue
Vol. 13, no. 1
pp. 1 – 15

Abstract

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mTORC1 blocks lysosomal nutrient generation. Here, the authors show that mTORC1 inactivation triggers V-ATPase assembly, which rapidly initiates lysosomal acidification and degradation of protein contents throughout the lysosomal population.