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Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks

ABSTRACT: Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks

PROVIDER: PRJNA381591 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR5346530.fastq.gz	Fastqsanger.gz
	SRR5346540.fastq.gz	Fastqsanger.gz
	SRR5346550.fastq.gz	Fastqsanger.gz
	SRR5346560.fastq.gz	Fastqsanger.gz
	SRR5346570.fastq.gz	Fastqsanger.gz

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Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks [RNA-Seq]

Project description:Animals exhibit dramatic immediate behavioral plasticity in response to social interactions, and brief social interactions can shape the future social landscape. However, the molecular mechanisms contributing to behavioral plasticity are unclear. Here, we show that the genome dynamically responds to social interactions with multiple waves of transcription associated with distinct molecular functions in the brain of male threespined sticklebacks, a species famous for its behavioral repertoire and evolution. Some biological functions (e.g., hormone activity) peaked soon after a brief territorial challenge and then declined, while others (e.g., immune response) peaked hours afterwards. We identify transcription factors that are predicted to coordinate waves of transcription associated with different components of behavioral plasticity. Next, using H3K27Ac as a marker of chromatin accessibility, we show that a brief territorial intrusion was sufficient to cause rapid and dramatic changes in the epigenome. Finally, we integrate the time course brain gene expression data with a transcriptional regulatory network, and link gene expression to changes in chromatin accessibility. This study reveals rapid and dramatic epigenomic plasticity in response to a brief, highly consequential social interaction.

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Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks [ChIP-Seq]

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Temporal dynamics of neurogenomic plasticity in response to social interactions in male threespined sticklebacks.

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A distinct neurogenomic response to a tradeoff between social challenge and opportunity in male sticklebacks (Gasterosteus aculeatus)

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Neurogenomic insights into paternal care and its relation to territorial aggression

Project description:Motherhood is characterized by dramatic changes in brain and behavior, but less is known about fatherhood. Here we report that male sticklebacks – a small fish in which fathers provide care – experience dramatic changes in neurogenomic state as they become fathers. Some genes are unique to different stages of paternal care, some genes are shared across stages, and some genes are added to the previously acquired neurogenomic state. Comparative genomic analysis suggests that some of these neurogenomic dynamics resemble changes associated with pregnancy and reproduction in mammalian mothers. Moreover, gene regulatory analysis identified transcription factors that are regulated in opposite directions in response to a territorial challenge versus during paternal care. Altogether these results show that some of the molecular mechanisms of parental care might be deeply conserved and might not be sex-specific, and suggest that tradeoffs between opposing social behaviors are managed at the gene regulatory level.

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Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks

Project description:This SuperSeries is composed of the SubSeries listed below.

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Natural variation in brain gene expression profiles of aggressive and nonaggressive individual sticklebacks

Project description:We examine whether there are differences in gene expression between aggressive versus nonaggressive behavioral types of individuals within a natural population of male threespined sticklebacks (Gasterosteus aculeatus). We compared gene expression profiles of aggressive male sticklebacks to nonaggressive males in four regions of the brain (brainstem, cerebellum, diencephalon and telencephalon). We identified new candidate genes related to aggressiveness, including SLC38a, a solute carrier which has been linked to GABAergic neuron reuptake of glutamine.

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Project description:Temporal Dynamics of Neurogenomic Plasticity in Response to Social Interactions in Male Threespined Sticklebacks [RNA-Seq]

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