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A brain consists of numerous distinct neurons arising from a limited number of progenitors, called neuroblasts in Drosophila. Each neuroblast produces a specific neuronal lineage. To unravel the transcriptional networks that underlie the development of distinct neuroblast lineages, we marked and isolated lineage-specific neuroblasts for RNA sequencing. We labeled particular neuroblasts throughout neurogenesis by activating a conditional neuroblast driver in specific lineages using various intersection strategies. The targeted neuroblasts were efficiently recovered using a custom-built device for robotic single-cell picking. Transcriptome analysis of the mushroom body, antennal lobe, and type II neuroblasts compared to non-selective neuroblasts, neurons, and glia revealed a rich repertoire of transcription factors expressed among neuroblasts in diverse patterns. Besides transcription factors that are likely pan-neuroblast, there exist many transcription factors that are selectively enriched or repressed in certain neuroblasts. The unique combinations of transcription factors present in different neuroblasts may govern the diverse lineage-specific neuron fates.
Neurons, Sequence Analysis, RNA, Gene Expression Regulation, Developmental, Robotics, Animals, Genetically Modified, Drosophila melanogaster, Gene Targeting, Animals, Drosophila Proteins, Cell Lineage, Single-Cell Analysis, Transcriptome, Transcription Factors
Neurons, Sequence Analysis, RNA, Gene Expression Regulation, Developmental, Robotics, Animals, Genetically Modified, Drosophila melanogaster, Gene Targeting, Animals, Drosophila Proteins, Cell Lineage, Single-Cell Analysis, Transcriptome, Transcription Factors
citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 50 | |
popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |