On the trail of auxin: Reporters and sensors.

Plant Cell

CEITEC MU-Central European Institute of Technology, Masaryk University, Brno, Czech Republic.

Published: August 2022

AI Article Synopsis

  • Auxin is a crucial hormone that regulates plant growth and development based on both internal and external cues, relying on the formation of concentration gradients.
  • Various auxin reporters have been created to visualize how auxin is distributed and how it signals within plants.
  • This review discusses different auxin reporters and biosensors, detailing their history, principles, and applications in studying auxin dynamics at cellular and tissue levels across various plant species.

Article Abstract

The phytohormone auxin is a master regulator of plant growth and development in response to many endogenous and environmental signals. The underlying coordination of growth is mediated by the formation of auxin maxima and concentration gradients. The visualization of auxin dynamics and distribution can therefore provide essential information to increase our understanding of the mechanisms by which auxin orchestrates these growth and developmental processes. Several auxin reporters have been developed to better perceive the auxin distribution and signaling machinery in vivo. This review focuses on different types of auxin reporters and biosensors used to monitor auxin distribution and its dynamics, as well as auxin signaling, at the cellular and tissue levels in different plant species. We provide a brief history of each reporter and biosensor group and explain their principles and utilities.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9421466PMC
http://dx.doi.org/10.1093/plcell/koac179DOI Listing

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