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Updated: Jun 14, 2026

Lateral Root Inducible System in Arabidopsis and Maize

Lateral Root Inducible System in Arabidopsis and Maize

Published on: January 14, 2016

Auxin and monocot development.

Paula McSteen¹

¹Department of Biology, Penn State University, University Park, Pennsylvania 16802, USA. pcm11@psu.edu

Cold Spring Harbor Perspectives in Biology

|March 20, 2010

Summary

This summary is machine-generated.

Monocot and dicot plants share conserved auxin pathways, but gene differences lead to distinct development and herbicide responses. This study explores these conserved and diverse roles in rice and maize.

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Area of Science:

Plant Biology
Molecular Biology
Genetics

Background:

Monocots (grasses) and dicots (broadleaf plants) exhibit differential responses to auxinic herbicides.
Key developmental traits distinguishing monocots and dicots are regulated by auxin.
Molecular mechanisms of auxin pathways (biosynthesis, homeostasis, transport, signal transduction) are largely conserved between monocots and dicots.

Purpose of the Study:

To update the understanding of conserved and diversified roles of auxin-related genes in monocots and dicots.
To investigate the function of auxin pathway genes in root, shoot, and reproductive development in rice (monocot) and maize (monocot).

Main Methods:

Comparative analysis of gene families involved in auxin biosynthesis, transport, and signaling.
Examination of gene expression patterns and copy number variations.
Review of existing literature on auxin's role in plant development.

Main Results:

While core auxin pathways are conserved, differences in gene copy number and expression contribute to functional diversification between monocots and dicots.
These variations influence specific developmental processes in root, shoot, and reproduction.

Conclusions:

Understanding the conservation and diversification of auxin pathways is crucial for explaining differential herbicide selectivity and plant development.
Further research into these mechanisms in key crops like rice and maize can inform agricultural practices.