A retrograde GCN2/eIF2α, but ATF4 independent, mechanism maintains synaptic strength under acute amino acid scarcity at the NMJ
Grant Kauwe, Megumi Mori, Edward H. Liao…·Ali Pejmun Haghighi
The paper investigates how GCN2/eIF2α signaling maintains synaptic strength during acute amino acid scarcity at the Drosophila NMJ, showing ATF4 is dispensable and the pathway acts retrogradely from muscle to motoneuron.