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Updated: May 14, 2026

Laser-Capture Microdissection RNA-Sequencing for Spatial and Temporal Tissue-Specific Gene Expression Analysis in Plants

Laser-Capture Microdissection RNA-Sequencing for Spatial and Temporal Tissue-Specific Gene Expression Analysis in Plants

Published on: August 5, 2020

Transcriptome analysis of developing ovules in rice isolated by laser microdissection.

Takahiko Kubo¹, Masahiro Fujita, Hirokazu Takahashi

¹Plant Genetics Laboratory, National Institute of Genetics, Mishima, 411-8540 Japan.

Plant & Cell Physiology

|February 16, 2013

Summary

This study reveals dynamic gene expression during rice female gametogenesis, highlighting key genes and transposable elements. Our findings provide crucial insights into plant reproductive development.

Keywords:

Female gametogenesis Laser microdissection Microarray Rice Stage-specific genes Transcriptome

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Area of Science:

Plant Biology
Reproductive Biology
Genomics

Background:

Plant male gametogenesis gene expression is well-studied, but female gametogenesis remains largely unexplored.
Limited knowledge exists regarding the molecular mechanisms governing plant female gametogenesis.

Purpose of the Study:

To determine genome-wide gene expression profiles during rice (Oryza sativa) female gametogenesis.
To identify genes and regulatory elements involved in ovule and female gametophyte development.

Main Methods:

Utilized microarrays for genome-wide gene expression profiling of developing rice ovules.
Employed laser microdissection (LM) to isolate ovules from scutellum for accurate analysis.

Main Results:

Revealed dynamic gene expression patterns throughout ovule development, with a significant transcriptome transition during meiosis.
Identified temporal upregulation of transposable elements during female meiosis, a phenomenon not observed in male meiosis.
Uncovered transcription factor genes with enriched expression in developing ovules, suggesting key regulatory roles.

Conclusions:

This study presents the first comprehensive genome-wide gene expression profiles for plant female gametogenesis.
The identified genes and transposable elements offer valuable insights for understanding plant reproductive processes.
The data serves as a foundation for further research into the molecular basis of female gametogenesis in plants.