Cited by 74Neurobiology and Insect Physiology ResearchMemory and Neural MechanismsNeuroscience and Neuropharmacology Research

Persistent activity in a recurrent circuit underlies courtship memory in Drosophila

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Zhao, Xiaoliang, Lenek, Daniela, Dag, Ugur, Dickson, Barry J, Keleman, Krystyna·2018·eLife

Abstract

Recurrent connections are thought to be a common feature of the neural circuits that encode memories, but how memories are laid down in such circuits is not fully understood. Here we present evidence that courtship memory in Drosophila relies on the recurrent circuit between mushroom body gamma (MBγ), M6 output, and aSP13 dopaminergic neurons. We demonstrate persistent neuronal activity of aSP13 neurons and show that it transiently potentiates synaptic transmission from MBγ>M6 neurons. M6 neurons in turn provide input to aSP13 neurons, prolonging potentiation of MBγ>M6 synapses over time periods that match short-term memory. These data support a model in which persistent aSP13 activity within a recurrent circuit lays the foundation for a short-term memory.

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  1. Martin JR Keller A Sweeney ST 2002 Targeted expression of tetanus toxin: a new tool to study the neurobiology of behavior Advances in Genetics 47 1 47 12000095

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Authors
Zhao, X., Lenek, D., Dag, U., Dickson, B. J., & Keleman, K.
Affiliations
  • Howard Hughes Medical Institute (US)
  • Research Institute of Molecular Pathology (AT)
Corresponding author
Keleman, Krystyna
Venue
eLife
Published
2018-01-11
Volume
7
ISSN
2050-084X (ISSN-L)
OpenAlex
W2783309950
Cited by
74
References
53
Citations by year
2026: 3 · 2025: 8 · 2024: 7 · 2023: 10 · 2022: 8 · 2021: 8 · 2020: 14 · 2019: 10 · 2018: 6
FWCI
4.33
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Howard Hughes Medical Institute
  • Boehringer Ingelheim
  • Austrian Science Fund (FWF P24499)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
recurrent neural circuits, persistent neuronal activity, synaptic potentiation, short-term memory, Drosophila, memory encoding
MeSH terms
Animals, Courtship, Drosophila, Memory, Models, Neurological, Neural Pathways, Mushroom Bodies, Dopaminergic Neurons

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