Chromatin Modulatory Proteins and Olfactory Receptor Signaling in the Refinement and Maintenance of Fruitless Expression in Olfactory Receptor Neurons.

dc.contributor.author

Hueston, Catherine E

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Olsen, Douglas

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Li, Qingyun

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Okuwa, Sumie

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Peng, Bo

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Wu, Jianni

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Volkan, Pelin Cayirlioglu

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United States

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2016-12-14T19:48:56Z

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2016-04

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During development, sensory neurons must choose identities that allow them to detect specific signals and connect with appropriate target neurons. Ultimately, these sensory neurons will successfully integrate into appropriate neural circuits to generate defined motor outputs, or behavior. This integration requires a developmental coordination between the identity of the neuron and the identity of the circuit. The mechanisms that underlie this coordination are currently unknown. Here, we describe two modes of regulation that coordinate the sensory identities of Drosophila melanogaster olfactory receptor neurons (ORNs) involved in sex-specific behaviors with the sex-specific behavioral circuit identity marker fruitless (fru). The first mode involves a developmental program that coordinately restricts to appropriate ORNs the expression of fru and two olfactory receptors (Or47b and Ir84a) involved in sex-specific behaviors. This regulation requires the chromatin modulatory protein Alhambra (Alh). The second mode relies on the signaling from the olfactory receptors through CamK and histone acetyl transferase p300/CBP to maintain ORN-specific fru expression. Our results highlight two feed-forward regulatory mechanisms with both developmentally hardwired and olfactory receptor activity-dependent components that establish and maintain fru expression in ORNs. Such a dual mechanism of fru regulation in ORNs might be a trait of neurons driving plastic aspects of sex-specific behaviors.

dc.identifier

http://www.ncbi.nlm.nih.gov/pubmed/27093619

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PBIOLOGY-D-15-03122

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1545-7885

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https://hdl.handle.net/10161/13273

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eng

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Public Library of Science (PLoS)

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PLoS Biol

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10.1371/journal.pbio.1002443

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Animals

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Chromatin

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Drosophila Proteins

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Drosophila melanogaster

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Female

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Male

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Nerve Tissue Proteins

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Olfactory Receptor Neurons

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Transcription Factors

dc.title

Chromatin Modulatory Proteins and Olfactory Receptor Signaling in the Refinement and Maintenance of Fruitless Expression in Olfactory Receptor Neurons.

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Journal article

pubs.author-url

http://www.ncbi.nlm.nih.gov/pubmed/27093619

pubs.begin-page

e1002443

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4

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Basic Science Departments

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Biology

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Duke

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Duke Institute for Brain Sciences

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Institutes and Provost's Academic Units

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Neurobiology

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School of Medicine

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Trinity College of Arts & Sciences

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University Institutes and Centers

pubs.publication-status

Published online

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14

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