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An atlas of transcription factors expressed in the Drosophila melanogaster pupal terminalia

ABSTRACT: An atlas of transcription factors expressed in the Drosophila melanogaster pupal terminalia

PROVIDER: PRJNA552350 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR9636680.fastq.gz	Fastqsanger.gz
	SRR9636681.fastq.gz	Fastqsanger.gz
	SRR9636682.fastq.gz	Fastqsanger.gz
	SRR9636683.fastq.gz	Fastqsanger.gz
	SRR9636684.fastq.gz	Fastqsanger.gz

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An atlas of transcription factors expressed in the Drosophila melanogaster pupal terminalia

Project description:The male terminalia of Drosophila melanogaster has undergone rapid morphological change between it and its closely related species, making it a useful model for studying evolution and development. In order to identify the network components that pattern the male terminalia, we isolated and sequenced whole RNA from two timepoints during pupal development, and next performed in situ hybridization for 100 highly expressed transcription factors during pupal development.

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An Atlas of Transcription Factors Expressed in Male Pupal Terminalia of Drosophila melanogaster.

Project description:During development, transcription factors and signaling molecules govern gene regulatory networks to direct the formation of unique morphologies. As changes in gene regulatory networks are often implicated in morphological evolution, mapping transcription factor landscapes is important, especially in tissues that undergo rapid evolutionary change. The terminalia (genital and anal structures) of Drosophila melanogaster and its close relatives exhibit dramatic changes in morphology between species. While previous studies have identified network components important for patterning the larval genital disc, the networks governing adult structures during pupal development have remained uncharted. Here, we performed RNA-seq in whole Drosophila melanogaster male terminalia followed by in situ hybridization for 100 highly expressed transcription factors during pupal development. We find that the male terminalia are highly patterned during pupal stages and that specific transcription factors mark separate structures and substructures. Our results are housed online in a searchable database (https://flyterminalia.pitt.edu/) as a resource for the community. This work lays a foundation for future investigations into the gene regulatory networks governing the development and evolution of Drosophila terminalia.

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