All Outputs (40)

Root metaxylem area influences drought tolerance and transpiration in pearl millet in a soil texture dependent manner (2024)
Preprint / Working Paper
Affortit, P., Faye, A., Jones, D. H., Benson, E., Sine, B., Burridge, J., Ndoye, M. S., Barry, L., Moukouanga, D., Barnard, S., Bhosale, R., Pridmore, T., Gantet, P., Vadez, V., Cubry, P., Kane, N., Bennett, M., Atkinson, J. A., Laplaze, L., Wells, D. M., & Grondin, A. (2024). Root metaxylem area influences drought tolerance and transpiration in pearl millet in a soil texture dependent manner

Pearl millet is a key cereal for food security in drylands but its yield is strongly impacted by drought. We investigated how root anatomical traits contribute to mitigating the effects of vegetative drought stress in pearl millet.

We examined ass... Read More about Root metaxylem area influences drought tolerance and transpiration in pearl millet in a soil texture dependent manner.

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. (2024). 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.

Root Hairs: An under-explored target for sustainable cereal crop production (2024)
Journal Article
Tsang, I., Atkinson, J. A., Rawsthorne, S., Cockram, J., & Leigh, F. (2024). Root Hairs: An under-explored target for sustainable cereal crop production. Journal of Experimental Botany, 75(18), 5484–5500. https://doi.org/10.1093/jxb/erae275

To meet the demands of a rising human population, plant breeders will need to develop improved crop varieties that maximize yield in the face of increasing pressure on crop production. Historically, the optimization of crop root architecture has repr... Read More about Root Hairs: An under-explored target for sustainable cereal crop production.

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., Atkinson, J. A., Passot, S., Salson, M., Orjuela, J., Tranchant-Dubreuil, C., Brossier, J.-R., Steffen, M., Morgado, C., Dinh, H. N., Pandey, B. K., Darmau, J., Champion, A., Petitot, A.-. S., Barrachina, C., …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.

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., Atkinson, J. A., Passot, S., Salson, M., Orjuela, J., Tranchant-Dubreuil, C., Brossier, J.-R., Steffen, M., Morgado, C., Dinh, H. N., Pandey, B. K., Darmau, J., Champion, A., Petitot, A.-S., Barrachina, C., …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.

Author Response: Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet (2024)
Preprint / Working Paper
de la Fuente, C., Grondin, A., Sine, B., Debieu, M., Belin, C., Hajjarpoor, A., Atkinson, J. A., Passot, S., Salson, M., Orjuela, J., Tranchant-Dubreuil, C., Brossier, J.-R., Steffen, M., Morgado, C., Dinh, H. N., Pandey, B. K., Darmau, J., Champion, A., Petitot, A.-S., Barrachina, C., …Laplaze, L. Author Response: Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet

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 Author Response: Glutaredoxin regulation of primary root growth is associated with early drought stress tolerance in pearl millet.

The effects of soil compaction on wheat seedling root growth are specific to soil texture and soil moisture status (2023)
Journal Article
Yu, C., Mawodza, T., Atkinson, B. S., Atkinson, J. A., Sturrock, C. J., Whalley, R., Hawkesford, M. J., Cooper, H., Zhang, X., Zhou, H., & Mooney, S. J. (2024). The effects of soil compaction on wheat seedling root growth are specific to soil texture and soil moisture status. Rhizosphere, 29, Article 100838. https://doi.org/10.1016/j.rhisph.2023.100838

Soil structure is a crucial soil physical property that determines a soil's ability to support the growth and development of plants. Soil compaction modifies soil structure by reducing pore space between soil particles thereby leading to a denser soi... Read More about The effects of soil compaction on wheat seedling root growth are specific to soil texture and soil moisture status.

Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet (2023)
Preprint / Working Paper
de la Fuente, C., Grondin, A., Sine, B., Debieu, M., Belin, C., Hajjarpoor, A., Atkinson, J. A., Passot, S., Salson, M., Orjuela, J., Tranchant-Dubreuil, C., Brossier, J.-R., Steffen, M., Morgado, C., Dinh, H. N., Pandey, B. K., Darmau, J., Champion, A., Petitot, A.-. S., Barrachina, C., …Laplaze, L. Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet

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 confers early drought stress tolerance in pearl millet.

Soil structure has a greater effect on the rooting of wheat (Triticum aestivum L.) than nitrogen fertilisation rate or genotype (2023)
Journal Article
Mawodza, T., Zhou, H., Atkinson, B. S., Atkinson, J. A., Sturrock, C. J., Riche, A. B., Whalley, W. R., Hawkesford, M. J., Cooper, H. V., & Mooney, S. J. (2023). Soil structure has a greater effect on the rooting of wheat (Triticum aestivum L.) than nitrogen fertilisation rate or genotype. Rhizosphere, 27, Article 100770. https://doi.org/10.1016/j.rhisph.2023.100770

Despite extensive research over the last century concerning the application of nitrogen fertilizer to support the production of wheat (Triticum aestivum L.), our understanding on how this impacts on root growth in subsoils is limited. In this study,... Read More about Soil structure has a greater effect on the rooting of wheat (Triticum aestivum L.) than nitrogen fertilisation rate or genotype.

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., Sabot, F., Wells, D. M., Price, A. H., Wilson, Z. A., & 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., Yant, L., Atkinson, J. A., Wells, D. M., Bhosale, R., & 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.

Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet (2023)
Preprint / Working Paper
de la Fuente, C., Grondin, A., Sine, B., Debieu, M., Belin, C., Hajjarpoor, A., Atkinson, J. A., Passot, S., Salson, M., Orjuela, J., Tranchant-Dubreuil, C., Brossier, J.-R., Steffen, M., Morgado, C., Dinh, H. N., Pandey, B. K., Darmau, J., Champion, A., Petitot, A.-. S., Barrachina, C., …Laplaze, L. (2024). Glutaredoxin regulation of primary root growth confers early drought stress tolerance in pearl millet

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 confers early drought stress tolerance in pearl millet.

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., Atkinson, J. A., & 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.

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., BENNETT, M. J., & 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.

X-ray CT reveals 4D root system development and lateral root responses to nitrate in soil (2022)
Journal Article
Griffiths, M., Mellor, N., Sturrock, C. J., Atkinson, B. S., Johnson, J., Mairhofer, S., York, L. M., Atkinson, J. A., Soltaninejad, M., Foulkes, J. F., Pound, M. P., Mooney, S. J., Pridmore, T. P., Bennett, M. J., & Wells, D. M. (2022). X-ray CT reveals 4D root system development and lateral root responses to nitrate in soil. Plant Phenome Journal, 5(1), Article e20036. https://doi.org/10.1002/ppj2.20036

The spatial arrangement of the root system, termed root system architecture, is important for resource acquisition as it directly affects the soil zone explored. Methods for phenotyping roots are mostly destructive, which prevents analysis of roots o... Read More about X-ray CT reveals 4D root system development and lateral root responses to nitrate in soil.

Dual expression and anatomy lines allow simultaneous visualization of gene expression and anatomy (2021)
Journal Article
Kümpers, B. M. C., Han, J., Vaughan-Hirsch, J., Redman, N., Ware, A., Atkinson, J. A., Leftley, N., Janes, G., Castiglione, G., Tarr, P. T., Pyke, K., Voß, U., Wells, D. M., & Bishopp, A. (2022). Dual expression and anatomy lines allow simultaneous visualization of gene expression and anatomy. Plant Physiology, 188(1), 56-69. https://doi.org/10.1093/plphys/kiab503

Studying the developmental genetics of plant organs, requires following gene expression in specific tissues. To facilitate this, we have developed the Dual Expression Anatomy Lines (DEAL), which incorporate a red plasma membrane marker alongside a fl... Read More about Dual expression and anatomy lines allow simultaneous visualization of gene expression and anatomy.

Shifts in Soil Structure, Biological, and Functional Diversity Under Long-Term Carbon Deprivation (2021)
Journal Article
George, P. B., Fidler, D. B., Van Nostrand, J. D., Atkinson, J. A., Mooney, S. J., Creer, S., Griffiths, R. I., McDonald, J. E., Robinson, D. A., & Jones, D. L. (2021). Shifts in Soil Structure, Biological, and Functional Diversity Under Long-Term Carbon Deprivation. Frontiers in Microbiology, 12, 1-16. https://doi.org/10.3389/fmicb.2021.735022

Soil organic matter is composed of a variety of carbon (C) forms. However, not all forms are equally accessible to soil microorganisms. Deprivation of C inputs will cause changes in the physical and microbial community structures of soils; yet the tr... Read More about Shifts in Soil Structure, Biological, and Functional Diversity Under Long-Term Carbon Deprivation.

The HK5 and HK6 cytokinin receptors mediate diverse developmental pathways in rice (2020)
Journal Article
Burr, C. A., Sun, J., Yamburenko, M. V., Willoughby, A., Hodgens, C., Boeshore, S. L., Elmore, A., Atkinson, J., Nimchuk, Z. L., Bishopp, A., Schaller, G. E., & Kieber, J. J. (2020). The HK5 and HK6 cytokinin receptors mediate diverse developmental pathways in rice. Development, 147(20), Article dev191734. https://doi.org/10.1242/dev.191734

© 2020. Published by The Company of Biologists Ltd. The phytohormone cytokinin regulates diverse aspects of plant growth and development. Our understanding of the metabolism and perception of cytokinin has made great strides in recent years, mostly f... Read More about The HK5 and HK6 cytokinin receptors mediate diverse developmental pathways in rice.

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.

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.