Cited by 37Neurobiology and Insect Physiology ResearchAnimal Behavior and ReproductionNeurotransmitter Receptor Influence on Behavior

Comparative analysis of the brain transcriptome in a hyper-aggressive fruit fly, Drosophila prolongata

Kudo, Ayumi, Shigenobu, Shuji, Kadota, Koji, Nozawa, Masafumi, Shibata, Tomoko F., Ishikawa, Yukio, Matsuo, Takashi·2017·Insect Biochemistry and Molecular Biology

Abstract

Aggressive behavior is observed in many animals, but its intensity differs between species. In a model animal of genetics, Drosophila melanogaster, genetic basis of aggressive behavior has been studied intensively, including transcriptome analyses to identify genes whose expression level was associated with intra-species variation in aggressiveness. However, whether these genes are also involved in the evolution of aggressiveness among different species has not been examined. In this study, we performed de novo transcriptome analysis in the brain of Drosophila prolongata to identify genes associated with the evolution of aggressiveness. Males of D. prolongata were hyper-aggressive compared with closely related species. Comparison of the brain transcriptomes identified 21 differentially expressed genes in males of D. prolongata. They did not overlap with the list of aggression-related genes identified in D. melanogaster, suggesting that genes involved in the evolution of aggressiveness were independent of those associated with the intra-species variation in aggressiveness in Drosophila. Although females of D. prolongata were not aggressive as the males, expression levels of the 21 genes identified in this study were more similar between sexes than between species.

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Crossref · 10.1016/j.ibmb.2017.01.006

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Authors
Kudo, A., Shigenobu, S., Kadota, K., Nozawa, M., Shibata, T. F., Ishikawa, Y., & Matsuo, T.
Affiliations
  • The University of Tokyo (JP)
  • National Institute for Basic Biology (JP)
Corresponding author
Matsuo, Takashi
Venue
Insect Biochemistry and Molecular Biology
Publisher
Elsevier BV
Published
2017-03
Volume
82
Pages
11-20
ISSN
0965-1748 (ISSN-L)
OpenAlex
W2575796877
Cited by
37
References
65
Citations by year
2026: 1 · 2025: 4 · 2024: 4 · 2023: 4 · 2022: 2 · 2021: 11 · 2020: 5 · 2019: 2 · 2018: 2 · 2017: 2
FWCI
1.48
Type
journal article
Language
en
Open access
closed
Locations
  • Insect Biochemistry and Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (# 23128511, #25128702, #26660263)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
  • Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
aggression, Drosophila prolongata, brain transcriptome, differentially expressed genes, sex differences in aggression, Drosophila melanogaster comparison, gene expression
MeSH terms
Aggression, Animals, Brain, Drosophila, Female, Male, Sex Factors, Neurotransmitter Agents, Evolution, Molecular, Transcriptome

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