Ted W. Toal
Regulation of Root Angle and Gravitropism
Toal, Ted W.; Ron, Mily; Gibson, Donald; Kajala, Kaisa; Splitt, Bessie; Johnson, Logan S.; Miller, Nathan D.; Slovak, Radka; Gaudinier, Allison; Patel, Rohan; de Lucas, Miguel; Provart, Nicholas J.; Spalding, Edgar P.; Busch, Wolfgang; Kliebenstein, Daniel J.; Brady, Siobhan M.
Authors
Mily Ron
Donald Gibson
Kaisa Kajala
Bessie Splitt
Logan S. Johnson
Nathan D. Miller
Radka Slovak
Allison Gaudinier
Rohan Patel
Dr Miguel De Lucas Torres miguel.de-lucas@durham.ac.uk
Associate Professor
Nicholas J. Provart
Edgar P. Spalding
Wolfgang Busch
Daniel J. Kliebenstein
Siobhan M. Brady
Abstract
Regulation of plant root angle is critical for obtaining nutrients and water and is an important trait for plant breeding. A plant's final, long-term root angle is the net result of a complex series of decisions made by a root tip in response to changes in nutrient availability, impediments, the gravity vector and other stimuli. When a root tip is displaced from the gravity vector, the short-term process of gravitropism results in rapid reorientation of the root toward the vertical. Here, we explore both short- and long-term regulation of root growth angle, using natural variation in tomato to identify shared and separate genetic features of the two responses. Mapping of expression quantitative trait loci mapping and leveraging natural variation between and within species including Arabidopsis suggest a role for PURPLE ACID PHOSPHATASE 27 and CELL DIVISION CYCLE 73 in determining root angle.
Citation
Toal, T. W., Ron, M., Gibson, D., Kajala, K., Splitt, B., Johnson, L. S., …Brady, S. M. (2018). Regulation of Root Angle and Gravitropism. G3: Genes | Genomes | Genetics, https://doi.org/10.1534/g3.118.200540
Journal Article Type | Article |
---|---|
Acceptance Date | Oct 2, 2018 |
Online Publication Date | Oct 15, 2018 |
Publication Date | Oct 15, 2018 |
Deposit Date | Oct 17, 2018 |
Journal | G3: Genes | Genomes | Genetics |
Publisher | Genetics Society of America |
Peer Reviewed | Peer Reviewed |
DOI | https://doi.org/10.1534/g3.118.200540 |
Public URL | https://durham-repository.worktribe.com/output/1316306 |
Related Public URLs | http://www.g3journal.org/content/ggg/early/2018/10/15/g3.118.200540.full.pdf |
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