Cited by 60Developmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanismsNeurobiology and Insect Physiology Research

Conservation and divergence of related neuronal lineages in the Drosophila central brain

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Lee, Ying-Jou, Yang, Ching-Po, Miyares, Rosa L, Huang, Yu-Fen, He, Yisheng, Ren, Qingzhong, Chen, Hui-Min, Kawase, Takashi +6 more·2020·eLife

Published version of a preprint

Abstract

Wiring a complex brain requires many neurons with intricate cell specificity, generated by a limited number of neural stem cells. Drosophila central brain lineages are a predetermined series of neurons, born in a specific order. To understand how lineage identity translates to neuron morphology, we mapped 18 Drosophila central brain lineages. While we found large aggregate differences between lineages, we also discovered shared patterns of morphological diversification. Lineage identity plus Notch-mediated sister fate govern primary neuron trajectories, whereas temporal fate diversifies terminal elaborations. Further, morphological neuron types may arise repeatedly, interspersed with other types. Despite the complexity, related lineages produce similar neuron types in comparable temporal patterns. Different stem cells even yield two identical series of dopaminergic neuron types, but with unrelated sister neurons. Together, these phenomena suggest that straightforward rules drive incredible neuronal complexity, and that large changes in morphology can result from relatively simple fating mechanisms.

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  1. Jarman AP Brand M Jan LY Jan YN 1993 The regulation and function of the helix-loop-helix gene, asense, inDrosophilaneural precursors Development 119 19 29 8565819

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Authors
Lee, Y.-J., Yang, C.-P., Miyares, R. L., Huang, Y.-F., He, Y., Ren, Q., Chen, H.-M., Kawase, T., Ito, M., Otsuna, H., Sugino, K., Aso, Y., Ito, K., & Lee, T.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, United States
Corresponding author
Lee, Tzumin
Venue
eLife
Published
2020-04-07
Volume
9
ISSN
2050-084X (ISSN-L)
OpenAlex
W3014749649
Cited by
60
References
50
Citations by year
2026: 7 · 2025: 10 · 2024: 8 · 2023: 20 · 2022: 3 · 2021: 4 · 2020: 7 · 2019: 1
FWCI
2.76
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • bioRxiv (Cold Spring Harbor Laboratory) (acceptedVersion)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
Howard Hughes Medical Institute
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
  • Life Sciences › Neuroscience › Developmental Neuroscience › Neurogenesis and neuroplasticity mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
neural stem cells, Notch signaling, neuronal morphology, dopaminergic neurons, neuronal heterogeneity, neurogenesis
MeSH terms
Animals, Brain, Drosophila melanogaster, Larva, Neurons, Cell Lineage, Neurogenesis, Neural Stem Cells

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