A Centrifuge-Based Method for Identifying Novel Genetic Traits That Affect Root-Substrate Adhesion in Arabidopsis thaliana

Beth M Eldridge, Emily R Larson, Laura M Weldon, Kevin M Smyth, Annabelle N Sellin, Isaac V Chenchiah, Tanniemola B Liverpool, Claire S Grierson*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

2 Citations (Scopus)
120 Downloads (Pure)

Abstract

The physical presence of roots and the compounds they release affect the cohesion between roots and their environment. However, the plant traits that are important for these interactions are unknown and most methods that quantify the contributions of these traits are time-intensive and require specialist equipment and complex substrates. Our lab developed an inexpensive, high-throughput phenotyping assay that quantifies root-substrate adhesion in Arabidopsis thaliana. We now report that this method has high sensitivity and versatility for identifying different types of traits affecting root-substrate adhesion including root hair morphology, vesicle trafficking pathways, and root exudate composition. We describe a practical protocol for conducting this assay and introduce its use in a forward genetic screen to identify novel genes affecting root-substrate interactions. This assay is a powerful tool for identifying and quantifying genetic contributions to cohesion between roots and their environment.
Original languageEnglish
Article number602486
JournalFrontiers in Plant Science
Volume12
DOIs
Publication statusPublished - 23 Feb 2021

Bibliographical note

Funding Information:
This work was supported by a Leverhulme Trust project grant RPG-2013-260 to CG and TL. BE was supported by a BBSRC SWBio PhD studentship (grant BB/M009122/1).

Publisher Copyright:
© Copyright © 2021 Eldridge, Larson, Weldon, Smyth, Sellin, Chenchiah, Liverpool and Grierson.

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