22 July 2026
A single-cell gene-expression atlas of the fly nerve cord mapped onto its wiring diagram has uncovered a simple shared gene-expression code. The code enables neurons to carry a molecular memory of the order of their birth from a parent cell, and shapes their diversity.
This is a summary of: Cachero, S. et al. A global molecular code for birth order and neuronal identity in Drosophila. Nature https://doi.org/10.1038/s41586-026-10797-w (2026).
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