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Cell-type specific transcriptomic profiling to dissect mechanisms of differential dendritogenesis
Surajit Bhattacharya1, Eswar Prasad R Iyer2, Srividya Chandramouli Iyer3
1Neuroscience Institute, Georgia State University, Atlanta, GA, USA.
Genomics Data
|December 16, 2014
Summary
Investigating gene expression in Drosophila sensory neurons reveals molecular mechanisms driving distinct dendritic structures. This research aids understanding of neural development and connectivity.
Area of Science:
- Neuroscience
- Developmental Biology
- Genomics
Background:
- Cell-type specific neural architectures are crucial for functional neural networks.
- Dendritic arborization patterns significantly influence neural function and connectivity.
- Molecular mechanisms specifying distinct dendrite morphologies are not fully understood.
Purpose of the Study:
- To analyze global gene expression in purified Drosophila melanogaster dendritic arborization (da) sensory neurons.
- To identify molecular mechanisms underlying differential dendrite morphologies.
- To provide a valuable resource for future research on neuronal patterning.
Main Methods:
- Oligo DNA microarray expression profiling of wild-type class I and class IV da sensory neurons.
- Comparison of cell-type specific gene expression with whole larval RNA.
- Bioinformatic analyses and R code provided for data access and quality control.
Main Results:
- Generated cell-type specific gene expression datasets for Drosophila da sensory neurons.
- Detailed experimental methods and bioinformatic analyses are available.
- Data is publicly accessible via the Gene Expression Omnibus (accession number GSE46154).
Conclusions:
- The study provides a comprehensive gene expression dataset for understanding neuronal development.
- These datasets serve as a foundation for exploring molecular mechanisms of dendritic patterning.
- Facilitates future investigations into how distinct neuronal morphologies are established.
