Modulation of Drosophila male behavioral choice.

Modulation of Drosophila male behavioral choice. Research Abstract Details 

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Modulation of Drosophila male behavioral choice. Abstract Text:

Sarah J Certel,Mary Grace Savella,Dana C F Schlegel,Edward A Kravitz,

The reproductive and defensive behaviors that are initiated in response to specific sensory cues can provide insight into how choices are made between different social behaviors. We manipulated both the activity and sex of a subset of neurons and found significant changes in male social behavior. Results from aggression assays indicate that the neuromodulator octopamine (OCT) is necessary for Drosophila males to coordinate sensory cue information presented by a second male and respond with the appropriate behavior: aggression rather than courtship. In competitive male courtship assays, males with no OCT or with low OCT levels do not adapt to changing sensory cues and court both males and females. We identified a small subset of neurons in the suboesophageal ganglion region of the adult male brain that coexpress OCT and male forms of the neural sex determination factor, Fruitless (Fru(M)). A single Fru(M)-positive OCT neuron sends extensive bilateral arborizations to the suboesophageal ganglion, the lateral accessory lobe, and possibly the posterior antennal lobe, suggesting a mechanism for integrating multiple sensory modalities. Furthermore, eliminating the expression of Fru(M) by transformer expression in OCT/tyramine neurons changes the aggression versus courtship response behavior. These results provide insight into how complex social behaviors are coordinated in the nervous system and suggest a role for neuromodulators in the functioning of male-specific circuitry relating to behavioral choice.

Modulation of Drosophila male behavioral choice. Publishing Authors By Initials

SJ Certel,MG Savella,DC Schlegel,EA Kravitz,

For similar behavior and behavior mechanisms: behavior: behavior, animal: consummatory behavior: sexual behavior, animal research abstracts see: behavior and behavior mechanisms: behavior: behavior, animal: consummatory behavior: sexual behavior, animal research

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Modulation of Drosophila male behavioral choice. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Proceedings of the National Academy of Sciences of

VOLUME: 104

Page Numbers: 4706-11

Journal Abbreviation: Proc. Natl. Acad. Sci. U.S.A.

ISSN: 0027-8424

DAY: 5

MONTH: 03

YEAR: 2007

Modulation of Drosophila male behavioral choice. Information

Number of References:

LANGUAGE: eng

NlmUniqueID: 7505876

Modulation of Drosophila male behavioral choice. Keywords Mesh Terms:

KEYWORDS: Sexual Behavior, Animal

MESH TERMS: pharmacology

Chemical & Substance for Abstract: Modulation of Drosophila male behavioral choice. Information

Substance Name: Octopamine

Registry Number: 104-14-3

Grant and Affiliation Information for Modulation of Drosophila male behavioral choice.

AFFILIATION: Department of Neurobiology, Harvard Medical School, 220 Longwood Avenue, Boston, MA 02115, USA.

Country: United States

AGENCY: United States NIGMS

GRANT: GM 067645

ACRONYM: GM

MEDLINETA: Proc Natl Acad Sci U S A

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