Article (Scientific journals)
Micro-scale interactions between Arabidopsis root hairs and soil particles influence soil erosion
De Baets, S.; Denbigh, T. D. G.; Smyth, K. M. et al.
2020In Communications Biology, 3 (1)
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Keywords :
Arabidopsis thaliana
Abstract :
[en] Soil is essential for sustaining life on land. Plant roots play a crucial role in stabilising soil and minimising erosion, although these mechanisms are still not completely understood. Consequently, identifying and breeding for plant traits to enhance erosion resistance is challenging. Root hair mutants in Arabidopsis thaliana were studied using three different quantitative methods to isolate their effect on root-soil cohesion. We present compelling evidence that micro-scale interactions of root hairs with surrounding soil increase soil cohesion and reduce erosion. Arabidopsis seedlings with root hairs were more difficult to detach from soil, compost and sterile gel media than those with hairless roots, and it was 10-times harder to erode soil from roots with than without hairs. We also developed a model that can consistently predict the impact root hairs make to soil erosion resistance. Our study thus provides new insight into the mechanisms by which roots maintain soil stability. © 2020, The Author(s).
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
De Baets, S.;  KU Leuven, Oude Markt 13-bus 5005, Leuven, 3000, Belgium
Denbigh, T. D. G.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
Smyth, K. M.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
Eldridge, B. M.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
Weldon, L.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
Higgins, B.;  School of Mathematics, University of Bristol, Fry Building, Bristol, BS8 1UG, United Kingdom
Matyjaszkiewicz, A.;  School of Engineering Mathematics, Queen’s Building, University of Bristol, Bristol, BS8 1TR, United Kingdom
Meersmans, Jeroen ;  Université de Liège - ULiège > Département GxABT > Analyse des risques environnementaux
Larson, E. R.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
Chenchiah, I. V.;  School of Mathematics, University of Bristol, Fry Building, Bristol, BS8 1UG, United Kingdom
Liverpool, T. B.;  School of Mathematics, University of Bristol, Fry Building, Bristol, BS8 1UG, United Kingdom
Quine, T. A.;  Geography, College of Life and Environmental Sciences, University of Exeter, Amory Building, Rennes Drive, Exeter, EX4 4RJ, United Kingdom
Grierson, C. S.;  School of Biological Sciences, Life Sciences Building, University of Bristol, 24 Tyndall Avenue, Bristol, BS8 1TQ, United Kingdom
More authors (3 more) Less
Language :
English
Title :
Micro-scale interactions between Arabidopsis root hairs and soil particles influence soil erosion
Publication date :
2020
Journal title :
Communications Biology
eISSN :
2399-3642
Publisher :
Nature Research
Volume :
3
Issue :
1
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Engineering and Physical Sciences Research Council, EPSRC: EP/E501214/1Biotechnology
Biological Sciences Research Council, BBSRC: BB/J014400/1, BB/M009122/1Leverhulme Trust: RPG-2013-260
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