Overview
Researchers have published the complete wiring diagram, or connectome, of all connections between neurons in the central nervous system of an adult fruit fly. This work represents the first complete connectome of an adult insect's central nervous system, encompassing its brain and the equivalent of a spinal cord.
Research Context
The central nervous system of the adult fruit fly, Drosophila melanogaster, was the subject of this connectome mapping effort. Neuronal connections, which form the basis of information processing in nervous systems, were comprehensively charted. The brain and the ventral nerve cord (analogous to a spinal cord in vertebrates) comprise the central nervous system analyzed in this study.
Approach
A large, international team led by multiple laboratories contributed to this research. Institutions involved included Harvard Medical School and Princeton University. The specific methodology for generating the wiring diagram of neuronal connections was not detailed beyond the outcome.
Findings
The primary finding is the publication of a complete wiring diagram for the central nervous system of an adult fruit fly. This diagram details all the connections between neurons within the brain and the ventral nerve cord. This represents a comprehensive mapping of the neural circuits in this insect.
Why This Matters
This research provides a foundational wiring diagram for the central nervous system of an adult fruit fly. Such a comprehensive map can serve as a reference for understanding how neural circuits are organized and function in an adult insect.