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An auxin research odyssey: 1989-2023.

Jerry D Cohen¹, Lucia C Strader²

¹Department of Horticultural Science and the Microbial and Plant Genomics Institute, University of Minnesota, Saint Paul, MN 55108, USA.

|February 21, 2024

Summary

This review highlights the crucial role of the phytohormone auxin in plant development, from embryo formation to organ growth. It traces key advancements in understanding auxin

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Area of Science:

Plant Biology
Molecular Biology
Developmental Biology

Background:

The phytohormone auxin is a master regulator of plant development, influencing processes from embryogenesis to organ formation.
Understanding auxin's role is critical for comprehending plant growth and development.
The journal The Plant Cell has significantly contributed to advancing auxin biology research.

Purpose of the Study:

To provide a historical review of auxin research.
To highlight the contributions of The Plant Cell to auxin biology.
To outline the progress in understanding auxin's perception, signaling, and metabolism.

Main Methods:

Historical analysis of key research areas in auxin biology.
Focus on auxin-responsive genes, transcription factors, and signaling pathways.
Discussion of auxin metabolism, including biosynthesis, catabolism, and transport.

Main Results:

Auxin-regulated growth involves changes in hormone levels and tissue sensitivity.
Significant progress has been made in identifying auxin-responsive elements and signaling components.
Advancements in understanding auxin metabolism, including indole-3-acetic acid and indole-3-butyric acid pathways.

Conclusions:

The Plant Cell has been instrumental in advancing auxin research.
Continued research is expected to yield a comprehensive systems biology understanding of auxin.
Future work will focus on the spatial and temporal regulation of cellular growth and development by auxin.