Related Experiment Video
Updated: Jul 20, 2025

06:46
Confocal Live Imaging of Shoot Apical Meristems from Different Plant Species
Published on: March 29, 2019
12.4K
Quantifying Gene Expression Domains in Plant Shoot Apical Meristems
Pau Formosa-Jordan1,2,3, Benoit Landrein4,5
1Sainsbury Laboratory, University of Cambridge, Cambridge, UK. pformosa@mpipz.mpg.de.
Methods in Molecular Biology (Clifton, N.J.)
|August 4, 2023
Summary
A new computational method analyzes 3D confocal images of plant shoot apical meristems to quantify gene expression. This approach aids in understanding how stem cells adapt to environmental changes.
Area of Science:
- Plant developmental biology
- Computational imaging
- Genetics
Background:
- The shoot apical meristem (SAM) is crucial for plant aerial organ development.
- Understanding SAM development and environmental adaptation requires advanced imaging techniques.
- Existing computational tools for analyzing SAM microscopy images are limited for high-throughput studies.
Purpose of the Study:
- To present a simple computational method for analyzing 3D fluorescence microscopy images of plant tissues.
- To enable high-throughput quantitative characterization of gene expression domains in shoot apical meristems.
- To facilitate the study of stem cell responses to environmental perturbations.
Main Methods:
- Analysis of 3D images from laser scanning microscopy.
- Quantitative characterization of radially or axially symmetric 3D fluorescence domains.
- Development of computational pipelines for high-throughput image analysis of gene expression in inflorescence and floral meristems.
Main Results:
- A straightforward framework for quantitative analysis of gene expression domains from 3D confocal images was established.
- The methodology allows for the characterization of gene expression at the tissue and organ level.
- Enabled quantitative characterization of stem cell responses to environmental perturbations in Arabidopsis thaliana.
Conclusions:
- The presented methodology offers a simple yet powerful framework for quantitative gene expression analysis in shoot apical meristems.
- This approach can be applied to various plant organs and tissues, advancing developmental biology research.
- Opens new avenues for utilizing quantitative gene expression analysis in plant science.
Keywords:
Arabidopsis thalianaConfocal microscopyExpression domainFloral meristemInflorescence meristemQuantitative image analysisStem cellsMore Related Videos
Related Concept Videos
Primary and Secondary Growth in Roots and Shoots
57.4K
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.
57.4K
Morphogenesis
28.3K
Plant morphogenesis—the development of a plant’s form and structure—involves several overlapping developmental processes, including growth and cell differentiation. Precursor cells differentiate into specific cell types, which are organized into the tissues and organ systems that make up the functional plant.
28.3K
Regulation of Expression at Multiple Steps
944
The gene expression in cells is regulated at different stages: (i) transcription, (ii) RNA processing, (iii) RNA localization, and (iv) translation. Transcriptional regulation is mediated by regulatory proteins such as transcription factors, activators, or repressors—these control gene expression by initiating or inhibiting the transcription of genes. Once a precursor or pre-mRNA is produced, it undergoes post-transcriptional modification, including 5' capping, splicing, and the...
944
Meristems and Plant Growth
46.1K
Plants grow throughout their lives; this is called indeterminate growth, and it distinguishes plants from most animals. Although certain parts of plants stop growing (e.g., leaves and flowers), others grow continuously—like roots and stems.
46.1K
Cell Specific Gene Expression
4.7K
4.7K

