Gene Expression Atlas of a Developing Tissue by Single Cell Expression Correlation Analysis

Overview

Journal Nat Methods

Specialties Biomedical Engineering
Pathology

Date 2019 Aug 1

PMID 31363221

Citations 34

Authors

Josephine Bageritz

Philipp Willnow

Erica Valentini

Svenja Leible

Michael Boutros

Aurelio A Teleman

Affiliations

Soon will be listed here.

Abstract

The Drosophila wing disc has been a fundamental model system for the discovery of key signaling pathways and for our understanding of developmental processes. However, a complete map of gene expression in this tissue is lacking. To obtain a gene expression atlas in the wing disc, we employed single cell RNA sequencing (scRNA-seq) and developed a method for analyzing scRNA-seq data based on gene expression correlations rather than cell mapping. This enables us to compute expression maps for all detected genes in the wing disc and to discover 824 genes with spatially restricted expression patterns. This approach identifies clusters of genes with similar expression patterns and functional relevance. As proof of concept, we characterize the previously unstudied gene CG5151 and show that it regulates Wnt signaling. Our method will enable the leveraging of scRNA-seq data for generating expression atlases of undifferentiated tissues during development.

Citing Articles

Single-cell transcriptomics of X-ray irradiated wing discs reveals heterogeneity related to cell-cycle status and cell location.

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Leveraging gene correlations in single cell transcriptomic data.

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