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Updated: Jul 8, 2026
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Annotation of Plant Gene Function via Combined Genomics, Metabolomics and Informatics
Published on: June 17, 2012
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Single-cell network analysis reveals gene expression programs for Arabidopsis root development and metabolism.
Ershang Han1, Zhenxing Geng1, Yue Qin1
1MOE Key Laboratory for Cellular Dynamics, School of Life Sciences, Division of Life Sciences and Medicine, University of Science and Technology of China, Innovation Academy for Seed Design, Chinese Academy of Sciences, Hefei 230027, China.
Plant Communications
|May 24, 2024
Summary
We mapped gene co-expression programs (GEPs) in Arabidopsis roots using single-cell RNA sequencing. These GEPs regulate root development, cell-type-specific metabolism, and gravitropism responses.
Area of Science:
- Plant Biology
- Genomics
- Developmental Biology
Background:
- Single-cell RNA sequencing (scRNA-seq) data for Arabidopsis roots is available, but comprehensive gene co-expression network analyses are missing.
- Understanding gene regulatory networks is crucial for deciphering root development and function.
Purpose of the Study:
- To perform a comprehensive gene co-expression network analysis on Arabidopsis root scRNA-seq data.
- To identify and characterize gene expression programs (GEPs) regulating root cell development and metabolism.
Main Methods:
- Utilized a SingleCellGGM algorithm for gene co-expression network analysis on public Arabidopsis root scRNA-seq datasets.
- Analyzed the spatiotemporal expression patterns of identified gene modules (GEPs).
Main Results:
- Identified 149 distinct gene expression programs (GEPs) in Arabidopsis roots.
- Characterized GEPs specific to major root cell types and developmental stages, including the quiescent center and sieve elements.
- Discovered cell-type-specific metabolic GEPs and identified NRL27 as a regulator of auxin-related root gravitropism.
Conclusions:
- Systematically revealed GEPs governing Arabidopsis root development and metabolism.
- Provides valuable resources for future root biology research.
- Highlights cell-type-specific metabolism and regulatory mechanisms in plant roots.
