PreprintCited by 54Neurobiology and Insect Physiology ResearchNeuroscience and Neuropharmacology ResearchCell Image Analysis Techniques

A Connectome of the Male Drosophila Ventral Nerve Cord

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Takemura, Shin-ya, Hayworth, Kenneth J, Huang, Gary B, Januszewski, Michal, Lu, Zhiyuan, Marin, Elizabeth C, Preibisch, Stephan, Xu, C Shan +76 more·2024·eLife

Abstract

Abstract Animal behavior is principally expressed through neural control of muscles. Therefore understanding how the brain controls behavior requires mapping neuronal circuits all the way to motor neurons. We have previously established technology to collect large-volume electron microscopy data sets of neural tissue and fully reconstruct the morphology of the neurons and their chemical synaptic connections throughout the volume. Using these tools we generated a dense wiring diagram, or connectome, for a large portion of the Drosophila central brain. However, in most animals, including the fly, the majority of motor neurons are located outside the brain in a neural center closer to the body, i.e. the mammalian spinal cord or insect ventral nerve cord (VNC). In this paper, we extend our effort to map full neural circuits for behavior by generating a connectome of the VNC of a male fly.

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Crossref · 10.7554/elife.97769.1

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21 of 21 references verified0 citation errors · 0 not checkable

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  • AN06B025 is predicted to be GABAergic in both FAFB-FlyWire and MANC datasets, suggesting that it inhibits DNx02.

    “AN06B025 is predicted to be GABAergic in both FAFB-FlyWire and MANC datasets1,44, suggesting that it inhibits DNx02.”
  • The FANC connectome will enable identification and analysis of neural circuits for descending modulation, ascending communication with the brain, and sensory organs distributed across the fly limbs, thorax and abdomen.

    “The FANC connectome will also enable the identification and analysis of neural circuits for descending modulation57, ascending communication with the brain14,58, and sensory organs distributed across the fly limbs, thorax and abdomen4.”
  • The existence of multiple VNC connectomes will enable comparison of neural wiring across individuals and identification of sexually dimorphic neural circuits.

    “The existence of multiple VNC connectomes will enable comparison of neural wiring across individuals and the identification of sexually dimorphic neural circuits14,15.”
  • The fourth motor neuron that looks similar to the iii motor neurons was determined to be iv4 (also known as 'hg4').

    “The fourth MN that looks similar to the iii MNs was determined to be iv4 (also known as ‘hg4’14).”

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Authors
Takemura, S.-Y., Hayworth, K. J., Huang, G. B., Januszewski, M., Lu, Z., Marin, E. C., Preibisch, S., Xu, C. S., Bogovic, J., Champion, A. S., Cheong, H. S., Costa, M., Eichler, K., Katz, W., Knecht, C., Li, F., Morris, B. J., Ordish, C., Rivlin, P. K., Schlegel, P., Shinomiya, K., Stürner, T., Zhao, T., Badalamente, G., Bailey, D., Brooks, P., Canino, B. S., Clements, J., Cook, M., Duclos, O., Dunne, C. R., Fairbanks, K., Fang, S., Finley-May, S., Francis, A., George, R., Gkantia, M., Harrington, K., Hopkins, G. P., Hsu, J., Hubbard, P. M., Javier, A., Kainmueller, D., Korff, W., Kovalyak, J., Krzemiński, D., Lauchie, S. A., Lohff, A., Maldonado, C., Manley, E. A., Mooney, C., Neace, E., Nichols, M., Ogundeyi, O., Okeoma, N., Paterson, T., Phillips, E., Phillips, E. M., Ribeiro, C., Ryan, S. M., Rymer, J. T., Scott, A. K., Scott, A. L., Shepherd, D., Shinomiya, A., Smith, C., Smith, N., Suleiman, A., Takemura, S., Talebi, I., Tamimi, I. F., Trautman, E. T., Umayam, L., Walsh, J. J., Yang, T., Rubin, G. M., Scheffer, L. K., Funke, J., Saalfeld, S., Hess, H. F., Plaza, S. M., Card, G. M., Jefferis, G. S., & Berg, S.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Google Research, Google LLC
  • University of Cambridge (GB)
  • MRC Laboratory of Molecular Biology (GB)
  • University of Southampton (GB)
Venue
eLife
Published
2024-05-23
ISSN
2050-084X (ISSN-L)
OpenAlex
W4398234019
Cited by
54
References
21
Citations by year
2026: 8 · 2025: 26 · 2024: 15 · 2023: 5
Type
posted content
Language
en
Open access
Locations
eLife (acceptedVersion, cc-by)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
Keywords
ventral nerve cord, Drosophila, connectome, neuronal circuit mapping, motor neurons, synaptic connectivity, electron microscopy reconstruction, neural circuits

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