Evidence map›Paper›PMID 38849331›Full record

ArticleNature communications2024

Evolution of connectivity architecture in the Drosophila mushroom body.

Kaitlyn Elizabeth Ellis, Sven Bervoets, Hayley Smihula, Ishani Ganguly, Eva Vigato, Thomas O Auer, Richard Benton, Ashok Litwin-Kumar, Sophie Jeanne Cécile Caron

Abstract read
In one paragraph

Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing papers in PubMed
–field-weighted citation impact
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

14 citing papers in PubMed.

  1. Modular presynaptic assemblages scale to postsynaptic partner number.bioRxiv : the preprint server for biology · 2026
    Article
  2. The neural substrates of behavioral evolution: Divergent behaviors from conserved neurons.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  3. Article
  4. Review
  5. Human-specific genetic modifiers of cortical architecture and function.Current opinion in genetics & development · 2024
    Review
  6. Article
  7. Article
  8. Article
  9. Future avenues inLearning & memory (Cold Spring Harbor, N.Y.) · 2024
    Review
  10. Review
  11. Review
  12. Article
  13. Article
  14. Diversity of visual inputs to Kenyon cells of thebioRxiv : the preprint server for biology · 2023
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

9 authors.

Kaitlyn Elizabeth EllisSchool of Biological Sciences, University of Utah, Salt Lake City, USA.
Sven BervoetsSchool of Biological Sciences, University of Utah, Salt Lake City, USA.ORCID http://orcid.org/0000-0002-0607-4655
Hayley SmihulaSchool of Biological Sciences, University of Utah, Salt Lake City, USA.ORCID http://orcid.org/0000-0002-1585-4688
Ishani GangulyCenter for Theoretical Neuroscience, Columbia University, New York, USA.ORCID http://orcid.org/0000-0002-8213-0153
Eva VigatoSchool of Biological Sciences, University of Utah, Salt Lake City, USA.ORCID http://orcid.org/0000-0002-7034-1842
Thomas O AuerCenter for Integrative Genomics, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.ORCID http://orcid.org/0000-0003-3442-0567
Richard BentonCenter for Integrative Genomics, Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland.ORCID http://orcid.org/0000-0003-4305-8301
Ashok Litwin-KumarCenter for Theoretical Neuroscience, Columbia University, New York, USA.
Sophie Jeanne Cécile CaronSchool of Biological Sciences, University of Utah, Salt Lake City, USA. sophie.caron@utah.edu.ORCID http://orcid.org/0000-0002-9230-2983

Funding

DEVELOPMENTAL BIOLOGY TRAINING PROGRAMT32HD007491 · NICHD · UTAH STATE HIGHER EDUCATION SYSTEM--UNIVERSITY OF UTAH · PI James Alan Gagnon, Kristen M Kwan · 1995 to 2026
$8.0M
The mechanisms of connectivity and function underlying multisensory integration in the Drosophila melanogaster mushroom bodyR01NS106018 · NINDS · UNIVERSITY OF UTAH · PI CARON, SOPHIE · 2018 to 2022
$1.7M
Relating structure and function in synapse-level wiring diagramsR01EB029858 · NIBIB · COLUMBIA UNIVERSITY HEALTH SCIENCES · PI LITWIN-KUMAR, ASHOK · 2020 to 2020
$1.2M
NIBIB NIH HHS R01 EB029858NICHD NIH HHS T32 HD007491NINDS NIH HHS R01 NS106018U.S. Department of Health & Human Services | NIH | National Institute of Neurological Disorders and Stroke (NINDS) R01 NS 1079790
6 · The paper itself

Abstract

Brain evolution has primarily been studied at the macroscopic level by comparing the relative size of homologous brain centers between species. How neuronal circuits change at the cellular level over evolutionary time remains largely unanswered. Here, using a phylogenetically informed framework, we compare the olfactory circuits of three closely related Drosophila species that differ in their chemical ecology: the generalists Drosophila melanogaster and Drosophila simulans and Drosophila sechellia that specializes on ripe noni fruit. We examine a central part of the olfactory circuit that, to our knowledge, has not been investigated in these species-the connections between projection neurons and the Kenyon cells of the mushroom body-and identify species-specific connectivity patterns. We found that neurons encoding food odors connect more frequently with Kenyon cells, giving rise to species-specific biases in connectivity. These species-specific connectivity differences reflect two distinct neuronal phenotypes: in the number of projection neurons or in the number of presynaptic boutons formed by individual projection neurons. Finally, behavioral analyses suggest that such increased connectivity enhances learning performance in an associative task. Our study shows how fine-grained aspects of connectivity architecture in an associative brain center can change during evolution to reflect the chemical ecology of a species.

Indexed as

Biological EvolutionDrosophilaMushroom BodiesSpecies SpecificityAnimalsDrosophila melanogasterFemaleMaleNeuronsOdorantsOlfactory PathwaysPhylogenyPresynaptic TerminalsSmell

Identifiers

PMID38849331
PMCPMC11161526

What OpenQuestion holds

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Registered trials

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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.