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Neuroscience and Neurobiology

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Mushroom body

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Full-Text Articles in Genetics and Genomics

Mushroom Body-Specific Gene Regulation By The Swi/Snf Chromatin Remodeling Complex, Kevin Cj Nixon Feb 2020

Mushroom Body-Specific Gene Regulation By The Swi/Snf Chromatin Remodeling Complex, Kevin Cj Nixon

Electronic Thesis and Dissertation Repository

Over the lifetime of an organism, neurons must establish, remodel, and maintain precise connections in order to form neural circuits that are required for proper nervous system functioning. Disruptions in these processes can lead to neurodevelopmental disorders such as intellectual disability (ID) and autism spectrum disorder. Mutations in genes encoding subunits of the SWI/SNF chromatin remodeling complex have been implicated in ID, yet the role of this complex in neurons is poorly understood. In this project, I established cell-type specific methods to examine the effect of SWI/SNF subunit knockdowns on gene transcription and chromatin structure in the memory-forming neurons of …


Assessing The Role Of Drosophila Melanogaster Neuroligin 3 On Social Spacing And Climbing Behaviour, J. Wesley Robinson Aug 2019

Assessing The Role Of Drosophila Melanogaster Neuroligin 3 On Social Spacing And Climbing Behaviour, J. Wesley Robinson

Electronic Thesis and Dissertation Repository

Autism spectrum disorders can be clinically defined in part by impairments of social interactions. Social interactions can be modeled in Drosophila melanogaster with behaviours such as social spacing. Here, I examined the effects of autism-related gene neuroligin 3 on fly social spacing. I hypothesized if neuroligin 3 is mutated or gene expression is targeted for knockdown, then flies will have altered social space in males and females at different ages. Using the social space assay, I found that different mutations to neuroligin 3 change the fly’s behavior, in a mutation and sex-specific manner. Using an antibody against Nlg3, I localized …