Cited by 113Developmental Biology and Gene RegulationNeurogenesis and neuroplasticity mechanismsNeurobiology and Insect Physiology Research

Specification of neuroblast identity in the Drosophila embryonic central nervous system by gooseberry-distal

Skeath, James B., Zhang, Yu, Holmgren, Robert, Carroll, Sean B., Doe, Chris Q.·1995·Nature

Abstract

The Drosophila central nervous system develops from a segmentally reiterated array of 30 unique neural precursors, called neuroblasts. Each neuroblast goes through a stereotyped cell lineage to produce an invariant clone of neural progeny. It is critical to identify the genes that specify neuroblast identity as these genes control the time of formation, gene expression profile, and cell lineage characteristics of each neuroblast. Here we show that the Pax-type gooseberry-distal gene specifies row 5 neuroblast identity. Initially, four rows of neuroblasts form per segment (1, 3, 5, 7) and gooseberry-distal is expressed in row 5 neuroblasts. By using 10 molecular markers, and by following the number and orientation of neuroblast divisions, we show that lack of gooseberry-distal transforms row 5 neuroblasts into row 3 neuroblasts, whereas ubiquitous gooseberry-distal generates the reciprocal transformation. Thus, gooseberry-distal is necessary and sufficient to specify row 5 neuroblast identity autonomously. The 10 genes coordinately regulated by gooseberry-distal are prime candidates for controlling specific aspects of neuroblast identity.

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Crossref · 10.1038/376427a0

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Authors
Skeath, J. B., Zhang, Y., Holmgren, R., Carroll, S. B., & Doe, C. Q.
Affiliations
Howard Hughes Medical Institute (US)
Venue
Nature
Published
1995-08
Volume
376
Issue
6539
Pages
427-430
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W2029265468
Cited by
111
References
17
Citations by year
2026: 6 · 2025: 5 · 2024: 11 · 2022: 6 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 2 · 2017: 3 · 2016: 1 · 2015: 1 · 2013: 4 · 2012: 2
FWCI
4.06
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
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
neuroblast lineage, Pax genes
MeSH terms
Animals, Cell Differentiation, Drosophila, Ectoderm, Mutation, Neurons, Transcription Factors

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