Two papers in Cell uncover reciprocal crosstalk of local translation and mitochondria in neurons. Rangaraju et al. (2019) observe tethered compartments of stable mitochondria in dendrites that provide a local energy supply for mRNA translation at synapses. Cioni et al. (2019) report a novel association of axonal RNA granules with Rab7a-late endosomes that provides a platform for local translation supporting mitochondria.
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