Synapse-Resolution Drosophila Brain and Ventral Nerve Cord Connectome

Presenting a synapse-resolution reconstruction and annotation of the adult female Drosophila melanogaster central nervous system, spanning both the brain and ventral nerve cord. It includes cell annotations, neurotransmitter predictions, connectivity matrices, and NBLAST similarity results compared to other connectomes like HemiBrain and FANC. The data is based on CAVE materialization 626, snapshotted on July 21, 2025.

Use Cases

• Analyze synaptic connectivity matrices to model information flow between specific neuron groups.
• Use neurotransmitter predictions to map the chemical architecture of the brain-and-cord connectome.
• Compare NBLAST similarity results between BANC neurons and those from other connectomes like HemiBrain or FANC for evolutionary or functional studies.
• Investigate influence scores from defined source neuron groups, such as sensory neurons, using the provided linear dynamical model.
• Utilize cell annotations, including soma locations and cell type assignments, for spatial and functional mapping of neural circuits.

Strengths

• Represents a synapse-resolution reconstruction of the entire adult female Drosophila central nervous system.
• Includes comparative NBLAST similarity results with multiple established connectomes including HemiBrain, FAFB, FANC, and MANC.
• Provides a stable snapshot from CAVE materialization 626, dated July 21, 2025, for reproducible analysis.
• Contains multiple data types: cell annotations, neurotransmitter predictions, connectivity matrices, and skeletal representations.

Limitations

• The dataset is a snapshot; more up-to-date and corrected data is available via the live FlyWire Codex project.
• Specific quantitative metrics like total row count, column count, and file size are not provided in the input.
• Focuses exclusively on the adult female Drosophila, limiting direct applicability to male specimens or other developmental stages.

Provenance

Source

BANC Connectome Dataverse, associated with the manuscript 'Distributed control circuits across a brain-and-cord connectome'.

Collection Method

Synapse-resolution reconstruction and annotation using the CAVE (Connectome Annotation Versioning Engine) system.

Time Range

Snapshot from materialization 626 on July 21, 2025.

Freshness

Snapshot from July 21, 2025; the BANC project is live with more current data available elsewhere.

Geography

Central nervous system of the adult female Drosophila melanogaster.