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Related Experiment Video

Updated: May 16, 2026

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Reconstructing Terrestrial Paleoclimate and Paleoecology with Fossil Leaves Using Digital Leaf Physiognomy and Leaf Mass Per Area

Published on: October 25, 2024

How to pattern a leaf.

N Bolduc¹, D O'Connor, J Moon

¹Plant Gene Expression Center, USDA-ARS, Albany, California 94710, USA.

Cold Spring Harbor Symposia on Quantitative Biology

|November 24, 2012

Summary

This summary is machine-generated.

Maize leaf development involves patterning mechanisms. The KNOTTED1 (KN1) protein is hypothesized to establish the proximal leaf end, while auxin guides distal tip growth.

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Relating Stomatal Conductance to Leaf Functional Traits

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Published on: October 12, 2015

Area of Science:

Plant biology
Developmental biology
Genetics

Background:

Leaf development exhibits diverse forms but shares a common origin from the meristem.
The maize leaf offers a model for studying patterning due to available mutants and distinct proximal-distal tissues.

Purpose of the Study:

To investigate the roles of specific genes and proteins in maize leaf patterning.
To understand the establishment of the blade/sheath boundary and proximal/distal axes.

Main Methods:

Analysis of maize leaf mutants.
Investigating the function of transcription factors LIGULELESS1, LIGULELESS2, and kinase LIGULELESS NARROW.
Studying the interaction of KNOTTED1 (KN1) with the lg2 gene.

Main Results:

The ligule, at the blade/sheath boundary, involves LIGULELESS1, LIGULELESS2, and LIGULELESS NARROW.
KNOTTED1 (KN1) binds and modulates the lg2 gene.
KN1's localization suggests a role in establishing the proximal leaf end.

Conclusions:

KNOTTED1 (KN1) is hypothesized to be crucial for proximal leaf patterning.
Auxin maxima are proposed to guide the distal tip growth of the maize leaf.