Abstract
Mitophagy, the selective removal of dysfunctional mitochondria, is pivotal for the maintenance of neuronal function and survival. MEC-12/α-tubulin contributes to neuronal physiology through the regulation of microtubule assembly, intracellular transport and mitochondrial distribution. However, its role in mitochondrial dynamics and mitophagy remains obscure. Here, we demonstrate that MEC-12 influences mitochondrial morphology under basal conditions and regulates the axonal mitochondrial population. Impairment of MEC-12 results in compromised axonal mitophagy under both basal conditions and oxidative stress. Our results uncover the critical role of MEC-12/α-tubulin for maintaining a healthy mitochondrial population in axons and highlight the complex interplay between microtubules, mitophagy and neuronal health.
Published Version
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