Evidence map›Paper›PMID 32619485›Full record

ArticleCurrent biology : CB2020

Complete Connectomic Reconstruction of Olfactory Projection Neurons in the Fly Brain.

Alexander S Bates, Philipp Schlegel, Ruairi J V Roberts, Nikolas Drummond, Imaan F M Tamimi, Robert Turnbull, Xincheng Zhao, Elizabeth C Marin, Patricia D Popovici, Serene Dhawan and 9 more

Open access · hybridAbstract read
In one paragraph

Article in Current biology : CB, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 110 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
110citing papers in PubMed, 1 pooled it
14.0field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

110 citing papers in PubMed, 1 synthesis or guideline pooled it, 201 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. Review
  9. Article
  10. Population Morphology Implies a Common Developmental Blueprint forbioRxiv : the preprint server for biology · 2025
    Article
  11. Article
  12. Article
  13. Sensory processing reformats odor coding around valence and dynamics.bioRxiv : the preprint server for biology · 2025
    Article
  14. Sexual dimorphism in the complete connectome of thebioRxiv : the preprint server for biology · 2025
    Article
  15. Article
  16. The GABAiScience · 2025
    Article
  17. Recurrent connectivity supports carbon dioxide sensitivity inbioRxiv : the preprint server for biology · 2025
    Article
  18. Article
  19. Article
  20. Article

50 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

19 authors at 5 institutions in 3 countries.

Alexander S BatesNeurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK.
Philipp SchlegelNeurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK; Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Ruairi J V RobertsDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Nikolas DrummondDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Imaan F M TamimiDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Robert TurnbullDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Xincheng ZhaoDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK; Department of Entomology, College of Plant Protection, Henan Agricultural University, Zhengzhou 450002, China.
Elizabeth C MarinDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Patricia D PopoviciNeurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK.
Serene DhawanDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Arian JamasbDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Alexandre JavierDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Laia Serratosa CapdevilaDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Feng LiJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA.
Gerald M RubinJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA.
Scott WaddellCentre for Neural Circuits and Behaviour, The University of Oxford, Oxford OX1 3SR, UK.
Davi D BockDepartment of Neurological Sciences, Larner College of Medicine, University of Vermont, VT 05405, USA.
Marta CostaDepartment of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK.
Gregory S X E JefferisNeurobiology Division, MRC Laboratory of Molecular Biology, Cambridge CB2 0QH, UK; Department of Zoology, University of Cambridge, Cambridge CB2 3EJ, UK. Electronic address: jefferis@mrc-lmb.cam.ac.uk.
University of Cambridge · GBMRC Laboratory of Molecular Biology · GBHoward Hughes Medical Institute · USUniversity of Oxford · GBUniversity of Vermont · US

Funding

Automating whole brain connectomics: development, validation, and application of an open toolkitRF1MH120679 · NIMH · UNIVERSITY OF VERMONT & ST AGRIC COLLEGE · PI BOCK, DAVI · 2019 to 2019
$1.9M
Medical Research Council MC-U105188491Medical Research Council MC_U105188491NIMH NIH HHS RF1 MH120679Wellcome Trust 200846/Z/16/ZWellcome Trust 203261/Z/16/Z
6 · The paper itself

Abstract

Nervous systems contain sensory neurons, local neurons, projection neurons, and motor neurons. To understand how these building blocks form whole circuits, we must distil these broad classes into neuronal cell types and describe their network connectivity. Using an electron micrograph dataset for an entire Drosophila melanogaster brain, we reconstruct the first complete inventory of olfactory projections connecting the antennal lobe, the insect analog of the mammalian olfactory bulb, to higher-order brain regions in an adult animal brain. We then connect this inventory to extant data in the literature, providing synaptic-resolution "holotypes" both for heavily investigated and previously unknown cell types. Projection neurons are approximately twice as numerous as reported by light level studies; cell types are stereotyped, but not identical, in cell and synapse numbers between brain hemispheres. The lateral horn, the insect analog of the mammalian cortical amygdala, is the main target for this olfactory information and has been shown to guide innate behavior. Here, we find new connectivity motifs, including axo-axonic connectivity between projection neurons, feedback, and lateral inhibition of these axons by a large population of neurons, and the convergence of different inputs, including non-olfactory inputs and memory-related feedback onto third-order olfactory neurons. These features are less prominent in the mushroom body calyx, the insect analog of the mammalian piriform cortex and a center for associative memory. Our work provides a complete neuroanatomical platform for future studies of the adult Drosophila olfactory system.

Indexed as

ConnectomeOlfactory PathwaysAnimalsDrosophila melanogasterFemaleInterneuronsMushroom BodiesNeuronsSmellSynapsesconnectomicsDrosophilaEMmemoryneuroanatomyolfactionsynapses

Identifiers

PMID32619485
PMCPMC7443706
OpenAlexW3038854314

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.