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Related Experiment Video

Updated: Jan 5, 2026

Author Spotlight: Improved Methods for Preparing Transverse Sections and Unrolled Whole Mounts of Maize Leaf Primordia for Fluorescence and Confocal Imaging

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Coordination of Leaf Development Across Developmental Axes.

James W Satterlee¹, Michael J Scanlon²

¹School of Integrative Plant Science, Cornell University, Ithaca, NY 14853, USA. jws429@cornell.edu.

Plants (Basel, Switzerland)

|October 27, 2019

Summary

Plant leaf development relies on coordinated gene and hormone networks to pattern growth across multiple axes. This ensures reproducible leaf shapes and structures during plant development.

Keywords:

developmental patterning differentiation leaf plant hormones transcription factors

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Area of Science:

Plant biology
Developmental genetics
Molecular genetics

Background:

Leaves develop from shoot apical meristems, requiring organized growth along proximodistal, mediolateral, and adaxial-abaxial axes.
Early research indicated that patterning across these axes must be coordinated for proper leaf development.

Purpose of the Study:

To review the molecular genetic mechanisms coordinating leaf development across multiple axes.
To highlight the role of transcriptional networks and hormones in this process.

Main Methods:

Review of existing literature on leaf development genetics and hormonal signaling.
Analysis of molecular mechanisms underlying pattern formation in developing leaves.

Main Results:

Leaf development is governed by a complex, interconnected transcriptional network involving patterning genes and hormones.
Coordination across proximodistal, mediolateral, and adaxial-abaxial axes is crucial for reproducible leaf morphogenesis.

Conclusions:

The coordinated action of genes and hormones ensures precise spatial and temporal control of leaf development.
Understanding these mechanisms is key to comprehending the reproducible phenotypic outcomes of leaf morphogenesis.