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The growth-promoting activity of mTORC1 is regulated by amino acid availability via the Rag GTPases. Here, the authors demonstrate Src-dependent control of cell size and autophagy through disruption of the Rag GTPase–GATOR1 complex and mTORC1 activation at the lysosomal surface.

The transcription factor EB (TFEB) is a master regulator of lysosomal biogenesis. Here authors show that trehalose, an mTOR-independent autophagy inducer, alleviates the pathological phenotypes in a mouse model of neurodegenerative disease. Trehalose acts by inhibiting Akt, which normally suppresses TFEB via an mTORC1-independent mechanism.

Nature Communications 8: Article number: 14338 (2017); Published: 6 February 2017; Updated: 13 June 2017 This Article contains errors in Figs 2 and 3, for which we apologize. In Fig. 2c, the four images were inadvertently duplicated from the images in Fig. 2b. In Fig. 3g, the image at the upper right corner, corresponding to the condition UT_ Cln3Δex7-8 was inadvertently duplicated from the image in the lower right corner of Fig.