All Outputs (40)

A novel root hair mutant, srh1, affects root hair elongation and reactive oxygen species levels in wheat (2024)
Journal Article
Tsang, I., Thomelin, P., Ober, E. S., Rawsthorne, S., Atkinson, J. A., Wells, D. M., Percival-Alwyn, L., Leigh, F. J., & Cockram, J. (in press). A novel root hair mutant, srh1, affects root hair elongation and reactive oxygen species levels in wheat. Frontiers in Plant Science, 15, Article 1490502. https://doi.org/10.3389/fpls.2024.1490502

Background: Root hairs are single-celled projections on root surfaces, critical for water and nutrient uptake. Here, we describe the first short root hair mutant in wheat (Triticum aestivum L.), identified in a mutagenized population and termed here... Read More about A novel root hair mutant, srh1, affects root hair elongation and reactive oxygen species levels in wheat.

Modeling reveals synergies among root traits for phosphorus acquisition in pearl millet (2024)
Journal Article
Ndoye, M., Lucas, M., Ajmera, I., Sine, B., Faye, A., Burridge, J., Ngom, M., Gantet, P., Wells, D., Kane, N., Lynch, J., Diédhiou, A., Grondin, A., & Laplaze, L. (2024). Modeling reveals synergies among root traits for phosphorus acquisition in pearl millet. Crop Science, 3(3), Article 100059. https://doi.org/10.1016/j.cropd.2024.100059

Pearl millet is a key food security grain crop in the world's drylands due to its tolerance to abiotic stresses. However, its yield remains low and is negatively impacted by climate change. Root phenes are potential targets to improve crop productivi... Read More about Modeling reveals synergies among root traits for phosphorus acquisition in pearl millet.

Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet (2024)
Journal Article
de la Fuente, C., Grondin, A., Sine, B., Debieu, M., Belin, C., Hajjarpoor, A., …Laplaze, L. (2024). Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet. eLife, 12, Article RP86169. https://doi.org/10.7554/elife.86169.3

Seedling root traits impact plant establishment under challenging environments. Pearl millet is one of the most heat and drought tolerant cereal crops that provides a vital food source across the sub-Saharan Sahel region. Pearl millet’s early root sy... Read More about Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet.

Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet (2024)
Journal Article
de la Fuente, C., Grondin, A., Sine, B., Debieu, M., Belin, C., Hajjarpoor, A., …Laplaze, L. (2024). Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet. eLife, https://doi.org/10.7554/eLife.86169

Seedling root traits impact plant establishment under challenging environments. Pearl millet is one of the most heat and drought tolerant cereal crops that provides a vital food source across the sub-Saharan Sahel region. Pearl millet’s early root sy... Read More about Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet.

Chlorophyll fluorescence-based high-throughput phenotyping facilitates the genetic dissection of photosynthetic heat tolerance in African (Oryza glaberrima) and Asian (Oryza sativa) rice (2023)
Journal Article
Robson, J. K., Ferguson, J. N., McAusland, L., Atkinson, J. A., Tranchant-Dubreuil, C., Cubry, P., …Murchie, E. H. (2023). Chlorophyll fluorescence-based high-throughput phenotyping facilitates the genetic dissection of photosynthetic heat tolerance in African (Oryza glaberrima) and Asian (Oryza sativa) rice. Journal of Experimental Botany, 74(17), 5181-5197. https://doi.org/10.1093/jxb/erad239

Rising temperatures and extreme heat events threaten rice production. Half of the global population relies on rice for basic nutrition, and therefore developing heat-tolerant rice is essential. During vegetative development, reduced photosynthetic ra... Read More about Chlorophyll fluorescence-based high-throughput phenotyping facilitates the genetic dissection of photosynthetic heat tolerance in African (Oryza glaberrima) and Asian (Oryza sativa) rice.

Loss of ancestral function in duckweed roots is accompanied by progressive anatomical reduction and a re-distribution of nutrient transporters (2023)
Journal Article
Ware, A., Jones, D. H., Flis, P., Chrysanthou, E., Smith, K. E., Kümpers, B. M., …Bishopp, A. (2023). Loss of ancestral function in duckweed roots is accompanied by progressive anatomical reduction and a re-distribution of nutrient transporters. Current Biology, 33(9), 1795-1802. https://doi.org/10.1016/j.cub.2023.03.025

Organ loss occurs frequently during plant and animal evolution. Sometimes, non-functional organs are retained through evolution. Vestigial organs are defined as genetically determined structures that have lost their ancestral (or salient) function. D... Read More about Loss of ancestral function in duckweed roots is accompanied by progressive anatomical reduction and a re-distribution of nutrient transporters.

Root architecture and leaf photosynthesis traits and associations with nitrogen-use efficiency in landrace-derived lines in wheat (2022)
Journal Article
Kareem, S. H., Hawkesford, M. J., DeSilva, J., Weerasinghe, M., Wells, D. M., Pound, M. P., …Foulkes, M. J. (2022). Root architecture and leaf photosynthesis traits and associations with nitrogen-use efficiency in landrace-derived lines in wheat. European Journal of Agronomy, 140, Article 126603. https://doi.org/10.1016/j.eja.2022.126603

Root system architecture (RSA) is important in optimizing the use of nitrogen. High-throughput phenotyping techniques may be used to study root system architecture traits under controlled environments. A root phenotyping platform, consisting of germi... Read More about Root architecture and leaf photosynthesis traits and associations with nitrogen-use efficiency in landrace-derived lines in wheat.

Root system size and root hair length are key phenes for nitrate acquisition and biomass production across natural variation in Arabidopsis (2022)
Journal Article
De Pessemier, J., Moturu, T. R., Nacry, P., Ebert, R., De Gernier, H., Tillard, P., …Hermans, C. (2022). Root system size and root hair length are key phenes for nitrate acquisition and biomass production across natural variation in Arabidopsis. Journal of Experimental Botany, 73(11), 3569-3583

The role of root phenes in nitrogen (N) acquisition and biomass production was evaluated in 10 contrasting natural accessions of Arabidopsis thaliana L. Seedlings were grown on vertical agar plates with two different nitrate supplies. The low N treat... Read More about Root system size and root hair length are key phenes for nitrate acquisition and biomass production across natural variation in Arabidopsis.

Systems approaches reveal that ABCB and PIN proteins mediate co-dependent auxin efflux (2022)
Journal Article
Mellor, N. L., Voß, U., Ware, A., Janes, G., Barrack, D., Bishopp, A., …Band, L. R. (2022). Systems approaches reveal that ABCB and PIN proteins mediate co-dependent auxin efflux. Plant Cell, 34(6), 2309–2327. https://doi.org/10.1093/plcell/koac086

Members of the B family of membrane-bound ATP-binding cassette (ABC) transporters represent key components of the auxin-efflux machinery in plants. Over the last two decades experimental studies have shown that modifying ABCB expression affects auxin... Read More about Systems approaches reveal that ABCB and PIN proteins mediate co-dependent auxin efflux.

Identification of QTL and underlying genes for root system architecture associated with nitrate nutrition in hexaploid wheat (2022)
Journal Article
GRIFFITHS, M., ATKINSON, J. A., Gardiner, L. J., SWARUP, R., POUND, M. P., WILSON, M. H., …WELLS, D. M. (2022). Identification of QTL and underlying genes for root system architecture associated with nitrate nutrition in hexaploid wheat. Journal of Integrative Agriculture, 21(4), 917-932. https://doi.org/10.1016/s2095-3119%2821%2963700-0

The root system architecture (RSA) of a crop has a profound effect on the uptake of nutrients and consequently the potential yield. However, little is known about the genetic basis of RSA and resource adaptive responses in wheat (Triticum aestivum L.... Read More about Identification of QTL and underlying genes for root system architecture associated with nitrate nutrition in hexaploid wheat.

A European perspective on opportunities and demands for field-based crop phenotyping (2021)
Journal Article
Morisse, M., Wells, D. M., Millet, E. J., Lillemo, M., Fahrner, S., Cellini, F., …Janni, M. (2022). A European perspective on opportunities and demands for field-based crop phenotyping. Field Crops Research, 276, Article 108371. https://doi.org/10.1016/j.fcr.2021.108371

The challenges of securing future food security will require deployment of innovative technologies to accelerate crop production. Plant phenotyping methods have advanced significantly, spanning low-cost hand-held devices to large-scale satellite imag... Read More about A European perspective on opportunities and demands for field-based crop phenotyping.

Preparation, Scanning and Analysis of Duckweed Using X-Ray Computed Microtomography (2021)
Journal Article
Jones, D. H., Atkinson, B., Ware, A., Sturrock, C. J., Bishopp, A., & Wells, D. M. (2021). Preparation, Scanning and Analysis of Duckweed Using X-Ray Computed Microtomography. Frontiers in Plant Science, 11, Article 617830. https://doi.org/10.3389/fpls.2020.617830

© Copyright © 2021 Jones, Atkinson, Ware, Sturrock, Bishopp and Wells. Quantification of anatomical and compositional features underpins both fundamental and applied studies of plant structure and function. Relatively few non-invasive techniques are... Read More about Preparation, Scanning and Analysis of Duckweed Using X-Ray Computed Microtomography.

Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot (2020)
Journal Article
Baskin, T. I., Preston, S., Zelinsky, E., Yang, X., Elmali, M., Bellos, D., …Bennett, M. J. (2020). Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot. iScience, 23(7), Article 101309. https://doi.org/10.1016/j.isci.2020.101309

In the root, meristem and elongation zone lengths remain stable, despite growth and division of cells. To gain insight into zone stability, we imaged individual Arabidopsis thaliana roots through a horizontal microscope, and used image analysis to ob... Read More about Positioning the Root Elongation Zone Is Saltatory and Receives Input from the Shoot.

Low-cost automated vectors and modular environmental sensors for plant phenotyping (2020)
Journal Article
Bagley, S. A., Atkinson, J. A., Hunt, H., Wilson, M. H., Pridmore, T. P., & Wells, D. M. (2020). Low-cost automated vectors and modular environmental sensors for plant phenotyping. Sensors, 20(11), Article 3319. https://doi.org/10.3390/s20113319

© 2020 by the authors. Licensee MDPI, Basel, Switzerland. High-throughput plant phenotyping in controlled environments (growth chambers and glasshouses) is often delivered via large, expensive installations, leading to limited access and the increase... Read More about Low-cost automated vectors and modular environmental sensors for plant phenotyping.

Auxin fluxes through plasmodesmata modify root-tip auxin distribution (2020)
Journal Article
Mellor, N. L., Voß, U., Janes, G., Bennett, M. J., Wells, D. M., & Band, L. R. (2020). Auxin fluxes through plasmodesmata modify root-tip auxin distribution. Development, 147(6), Article dev181669. https://doi.org/10.1242/dev.181669

© 2020. Published by The Company of Biologists Ltd. Auxin is a key signal regulating plant growth and development. It is well established that auxin dynamics depend on the spatial distribution of efflux and influx carriers on the cell membranes. In t... Read More about Auxin fluxes through plasmodesmata modify root-tip auxin distribution.

RootNav 2.0: Deep learning for automatic navigation of complex plant root architectures (2019)
Journal Article
Yasrab, R., Atkinson, J. A., Wells, D. M., French, A. P., Pridmore, T. P., & Pound, M. P. (2019). RootNav 2.0: Deep learning for automatic navigation of complex plant root architectures. GigaScience, 8(11), Article giz123. https://doi.org/10.1093/gigascience/giz123

BACKGROUND: In recent years quantitative analysis of root growth has become increasingly important as a way to explore the influence of abiotic stress such as high temperature and drought on a plant's ability to take up water and nutrients. Segmentat... Read More about RootNav 2.0: Deep learning for automatic navigation of complex plant root architectures.

Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling (2019)
Journal Article
Gibbs, J., French, A., Murchie, E., Wells, D., Pound, M., & Pridmore, T. (2020). Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling. IEEE/ACM Transactions on Computational Biology and Bioinformatics, 17(6), 1907-1917. https://doi.org/10.1109/TCBB.2019.2896908

Plant phenotyping is the quantitative description of a plant’s physiological, biochemical and anatomical status which can be used in trait selection and helps to provide mechanisms to link underlying genetics with yield. Here, an active vision- based... Read More about Active Vision and Surface Reconstruction for 3D Plant Shoot Modelling.

Field phenotyping for the future (2018)
Journal Article
Atkinson, J. A., Jackson, R. J., Bentley, A. R., Ober, E., & Wells, D. M. (in press). Field phenotyping for the future. Annual Plant Reviews Online, 1(3), 719-736. https://doi.org/10.1002/9781119312994.apr0651

Global agricultural production has to double by 2050 to meet the demands of an increasing population and the challenges of a changing climate. Plant phenomics (the characterisation of the full set of phenotypes of a given species) has been proposed a... Read More about Field phenotyping for the future.

Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction (2018)
Journal Article
Gibbs, J., Pound, M., French, A. P., Wells, D. M., Murchie, E., & Pridmore, T. (2018). Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction. Plant Physiology, 178(2), 524-534. https://doi.org/10.1104/pp.18.00664

© 2018 American Society of Plant Biologists. All rights reserved. Three-dimensional (3D) computer-generated models of plants are urgently needed to support both phenotyping and simulation-based studies such as photosynthesis modeling. However, the co... Read More about Plant phenotyping: an active vision cell for three-dimensional plant shoot reconstruction.

The circadian clock rephases during lateral root organ initiation in Arabidopsis thaliana. (2018)
Journal Article
Voß, U., Wilson, M. H., Kenobi, K., Gould, P. D., Robertson, F. C., Peer, W. A., Lucas, M., Swarup, K., Casimiro, I., Holman, T. J., Wells, D. M., Péret, B., Goh, T., Fukaki, H., Hodgman, T. C., Laplaze, L., Halliday, K. J., Ljung, K., Murphy, A. S., Hall, A. J., …Bennett, M. J. (2018). The circadian clock rephases during lateral root organ initiation in Arabidopsis thaliana. Nature Communications, https://doi.org/10.17863/CAM.26324