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Single cell transcriptome atlas of the Drosophila larval brain

ABSTRACT: Single cell transcriptome atlas of the Drosophila larval brain

PROVIDER: PRJNA556226 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR10317223_1.fastq.gz	Fastqsanger.gz
	SRR10317223_2.fastq.gz	Fastqsanger.gz
	SRR10317224_1.fastq.gz	Fastqsanger.gz
	SRR10317224_2.fastq.gz	Fastqsanger.gz
	SRR10317225_1.fastq.gz	Fastqsanger.gz

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Single cell transcriptome atlas of the Drosophila larval brain

Project description:The cellular composition of the brain and how it is affected by starvation, remains largely unknown. Here we introduce a single-cell transcriptome atlas of the entire Drosophila melanogaster first instar larval brain. We first assigned cell type identity based on the expression of previously characterized marker genes, allowing us to distinguish five major groups: neural progenitors cells, differentiated neurons, glial cells, undifferentiated neurons as well as non-neural cells corresponding to organs and structures located adjacent to the brain. All major classes were further subdivided into multiple subtypes based on cluster analysis, revealing critical biological features of various cell types. Moreover, we included two different feeding conditions: normal fed versus starved. After starvation, the transcriptional profile of several cell clusters were altered, while the overall composition of the brain remains unaffected. Intriguingly, different cell clusters show very distinct responses to starvation, suggesting the presence of cell-specific programs for nutrition availability. Establishing a single-cell transcriptome atlas of the larval brain provides a powerful tool to explore cell diversity, assess genetic profiles of neurogenic, neuronal and glial cell types. The analysis of neurotransmitters, neuropeptides and their respective receptors may further open the doors for functional studies.

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