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Related Experiment Video

Updated: Apr 16, 2026

In Situ Hybridization for the Precise Localization of Transcripts in Plants

In Situ Hybridization for the Precise Localization of Transcripts in Plants

Published on: November 23, 2011

Spatio-temporal distribution patterns of GRF-INTERACTING FACTOR expression and leaf size control.

Byung Ha Lee¹, Jeong Hoe Kim

¹a Department of Biology; Kyungpook National University; Daegu, Korea.

Plant Signaling & Behavior

|March 13, 2015

Summary

Understanding how plants control organ size is key. This study investigates the GRF-INTERACTING FACTOR (GIF) gene family

Keywords:

ANGUSTIFOLIA3 GRF-INTERACTING FACTOR GROWTH-REGULATING FACTOR cell expansion cell proliferation leaf growth organ size

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Kinematic Analysis of Cell Division and Expansion: Quantifying the Cellular Basis of Growth and Sampling Developmental Zones in Zea mays Leaves

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Published on: January 20, 2023

Area of Science:

Plant developmental biology
Molecular genetics
Organogenesis

Background:

Multicellular organisms control organ size through genetic mechanisms.
Leaf development in plants offers a model for studying determinate growth.
The GRF-INTERACTING FACTOR (GIF) gene family is implicated in controlling cell proliferation during leaf growth.

Purpose of the Study:

To investigate the spatio-temporal expression patterns of all GIF genes (GIF1-GIF3) in Arabidopsis thaliana.
To define the kinematic growth properties of wild-type and gif mutant leaf organs.
To provide comprehensive insights into the biological roles and expression behaviors of the GIF family during leaf development.

Main Methods:

Analysis of kinematic growth properties of Arabidopsis leaves.
Spatiotemporal expression analysis of GIF gene promoters and proteins.
Comparative study of wild-type and gif mutant phenotypes.

Main Results:

Characterization of leaf organ growth dynamics in wild-type and gif mutants.
Detailed mapping of GIF1, GIF2, and GIF3 gene expression patterns throughout leaf development.
Identification of distinct and overlapping roles for GIF family members in regulating leaf growth.

Conclusions:

The GIF gene family plays a crucial role in regulating leaf organ size in Arabidopsis.
Understanding GIF gene expression dynamics is essential for comprehending plant organ development.
This study provides a foundation for further research into GIF-mediated growth control.