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All Outputs (17)

Transcriptional networks underpinning ploidy related increased leaf potassium in neo-tetraploids (2022)
Journal Article
Fischer, S., Flis, P., Zhao, F., & Salt, D. E. (in press). Transcriptional networks underpinning ploidy related increased leaf potassium in neo-tetraploids. Plant Physiology, 190(3), 1715-1730. https://doi.org/10.1093/plphys/kiac360

Whole-genome duplication generates a tetraploid from a diploid. Newly created tetraploids (neo-tetraploids) of Arabidopsis (Arabidopsis thaliana) have elevated leaf potassium (K), compared to their diploid progenitor. Micro-grafting has previously es... Read More about Transcriptional networks underpinning ploidy related increased leaf potassium in neo-tetraploids.

A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment (2022)
Journal Article
Tergemina, E., Elfarargi, A. F., Flis, P., Fulgione, A., Göktay, M., Neto, C., …Hancock, A. M. (2022). A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment. Science Advances, 8(20), Article eabm9385. https://doi.org/10.1126/sciadv.abm9385

Most well-characterized cases of adaptation involve single genetic loci. Theory suggests that multilocus adaptive walks should be common, but these are challenging to identify in natural populations. Here, we combine trait mapping with population gen... Read More about A two-step adaptive walk rewires nutrient transport in a challenging edaphic environment.

Phosphorylated B6 vitamer deficiency in SALT OVERLY SENSITIVE 4 mutants compromises shoot and root development (2021)
Journal Article
Gorelova, V., Colinas, M., Dell’Aglio, E., Flis, P., Salt, D. E., & Fitzpatrick, T. B. (2022). Phosphorylated B6 vitamer deficiency in SALT OVERLY SENSITIVE 4 mutants compromises shoot and root development. Plant Physiology, 188(1), 220-240. https://doi.org/10.1093/plphys/kiab475

Stunted growth in saline conditions is a signature phenotype of the Arabidopsis SALT OVERLY SENSITIVE mutants (sos1-5) affected in pathways regulating the salt stress response. One of the mutants isolated, sos4, encodes a kinase that phosphorylates p... Read More about Phosphorylated B6 vitamer deficiency in SALT OVERLY SENSITIVE 4 mutants compromises shoot and root development.

Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles (2021)
Journal Article
Konečná, V., Bray, S., Vlček, J., Bohutínská, M., Požárová, D., Choudhury, R. R., …Kolář, F. (2021). Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles. Nature Communications, 12(1), Article 4979. https://doi.org/10.1038/s41467-021-25256-5

Relative contributions of pre-existing vs de novo genomic variation to adaptation are poorly understood, especially in polyploid organisms. We assess this in high resolution using autotetraploid Arabidopsis arenosa, which repeatedly adapted to toxic... Read More about Parallel adaptation in autopolyploid Arabidopsis arenosa is dominated by repeated recruitment of shared alleles.

Non-invasive hydrodynamic imaging in plant roots at cellular resolution (2021)
Journal Article
Pascut, F. C., Couvreur, V., Dietrich, D., Leftley, N., Reyt, G., Boursiac, Y., …Webb, K. F. (2021). Non-invasive hydrodynamic imaging in plant roots at cellular resolution. Nature Communications, 12(1), 1-7. https://doi.org/10.1038/s41467-021-24913-z

A key impediment to studying water-related mechanisms in plants is the inability to non-invasively image water fluxes in cells at high temporal and spatial resolution. Here, we report that Raman microspectroscopy, complemented by hydrodynamic modelli... Read More about Non-invasive hydrodynamic imaging in plant roots at cellular resolution.

Magnesium and calcium overaccumulate in the leaves of a schengen3 mutant of Brassica rapa (2021)
Journal Article
Alcock, T. D., Thomas, C. L., Ó Lochlainn, S., Pongrac, P., Wilson, M., Moore, C., …Broadley, M. R. (2021). Magnesium and calcium overaccumulate in the leaves of a schengen3 mutant of Brassica rapa. Plant Physiology, 186(3), 1616-1631. https://doi.org/10.1093/PLPHYS/KIAB150

Magnesium (Mg) and calcium (Ca) are essential mineral nutrients poorly supplied in many human food systems. In grazing livestock, Mg and Ca deficiencies are costly welfare issues. Here, we report a Brassica rapa loss-of-function schengen3 (sgn3) muta... Read More about Magnesium and calcium overaccumulate in the leaves of a schengen3 mutant of Brassica rapa.

Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis (2020)
Journal Article
Salas-González, I., Reyt, G., Flis, P., Custódio, V., Gopaulchan, D., Bakhoum, N., …Castrillo, G. (2021). Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis. Science, 371(6525), Article eabd0695. https://doi.org/10.1126/science.abd0695

Copyright © 2021, American Association for the Advancement of Science. Plant roots and animal guts have evolved specialized cell layers to control mineral nutrient homeostasis. These layers must tolerate the resident microbiota while keeping homeosta... Read More about Coordination between microbiota and root endodermis supports plant mineral nutrient homeostasis.

Targeted expression of the arsenate reductase HAC1 identifies cell type specificity of arsenic metabolism and transport in plant roots (2020)
Journal Article
Fischer, S., Sánchez-Bermejo, E., Xu, X., Flis, P., Ramakrishna, P., Guerinot, M. L., …Salt, D. E. (2021). Targeted expression of the arsenate reductase HAC1 identifies cell type specificity of arsenic metabolism and transport in plant roots. Journal of Experimental Botany, 72(2), 415-425. https://doi.org/10.1093/jxb/eraa465

High Arsenic Concentration 1 (HAC1), an Arabidopsis thaliana arsenate reductase, plays a key role in arsenate [As(V)] tolerance. Through conversion of As(V) to arsenite [As(III)], HAC1 enables As(III) export from roots, and restricts translocation of... Read More about Targeted expression of the arsenate reductase HAC1 identifies cell type specificity of arsenic metabolism and transport in plant roots.

Uclacyanin Proteins Are Required for Lignified Nanodomain Formation within Casparian Strips (2020)
Journal Article
Reyt, G., Chao, Z., Flis, P., Salas-González, I., Castrillo, G., Chao, D. Y., & Salt, D. E. (2020). Uclacyanin Proteins Are Required for Lignified Nanodomain Formation within Casparian Strips. Current Biology, 30(20), 4103-4111.e6. https://doi.org/10.1016/j.cub.2020.07.095

© 2020 The Author(s) Casparian strips (CSs) are cell wall modifications of vascular plants restricting extracellular free diffusion into and out of the vascular system [1]. This barrier plays a critical role in controlling the acquisition of nutrient... Read More about Uclacyanin Proteins Are Required for Lignified Nanodomain Formation within Casparian Strips.

Soil carbonate drives local adaptation in Arabidopsis thaliana (2019)
Journal Article
Terés, J., Busoms, S., Perez Martín, L., Luís‐Villarroya, A., Flis, P., Álvarez‐Fernández, A., …Poschenrieder, C. (2019). Soil carbonate drives local adaptation in Arabidopsis thaliana. Plant, Cell and Environment, 42(8), 2384-2398. https://doi.org/10.1111/pce.13567

High soil carbonate limits crop performance especially in semiarid or arid climates. To understand how plants adapt to such soils, we explored natural variation in tolerance to soil carbonate in small local populations (demes) of Arabidopsis thaliana... Read More about Soil carbonate drives local adaptation in Arabidopsis thaliana.

Genome-Wide Association Studies Reveal the Genetic Basis of Ionomic Variation in Rice (2018)
Journal Article
Yang, M., Lu, K., Zhao, F., Xie, W. X., Ramakrishna, P., Wang, G., …Lian, X. (2018). Genome-Wide Association Studies Reveal the Genetic Basis of Ionomic Variation in Rice. Plant Cell, 30(11), 2720–2740. https://doi.org/10.1105/tpc.18.00375

Rice (Oryza sativa) is an important dietary source of both essential micronutrients and toxic trace elements for humans. The genetic basis underlying the variations in the mineral composition, the ionome, in rice remains largely unknown. Here, we des... Read More about Genome-Wide Association Studies Reveal the Genetic Basis of Ionomic Variation in Rice.

AtHMA4 drives natural variation in leaf Zn concentration of Arabidopsis thaliana (2018)
Journal Article
Chen, Z., Kuang, L., Gao, Y., Wang, Y., Salt, D. E., & Chao, D. (2018). AtHMA4 drives natural variation in leaf Zn concentration of Arabidopsis thaliana. Frontiers in Plant Science, 9, Article 270. https://doi.org/10.3389/fpls.2018.00270

Zinc (Zn) is an essential element for plant growth and development, and Zn derived from crop plants in the diet is also important for human health. Here, we report that genetic variation in Heavy Metal-ATPase 4 (HMA4) controls natural variation in le... Read More about AtHMA4 drives natural variation in leaf Zn concentration of Arabidopsis thaliana.

Biomass and elemental concentrations of 22 rice cultivars grown under alternate wetting and drying conditions at three field sites in Bangladesh (2017)
Journal Article
Norton, G. J., Travis, A. J., Danku, J., Salt, D. E., Hossain, M., Islam, M. R., & Price, A. H. (2017). Biomass and elemental concentrations of 22 rice cultivars grown under alternate wetting and drying conditions at three field sites in Bangladesh. Food and Energy Security, 6(3), https://doi.org/10.1002/fes3.110

As the global population grows, demand on food production will also rise. For rice, one limiting factor effecting production could be availability of fresh water, hence adoption of techniques that decrease water usage while maintaining or increasing... Read More about Biomass and elemental concentrations of 22 rice cultivars grown under alternate wetting and drying conditions at three field sites in Bangladesh.

Role of LOTR1 in nutrient transport through organization of spatial distribution of root endodermal barriers (2017)
Journal Article
Li, B., Kamiya, T., Kalmbach, L., Yamagami, M., Yamaguchi, K., Shigenobu, S., …Fujiwara, T. (2017). Role of LOTR1 in nutrient transport through organization of spatial distribution of root endodermal barriers. Current Biology, 27(5), https://doi.org/10.1016/j.cub.2017.01.030

The formation of Casparian strips and suberin lamellae at the endodermis limits the free diffusion of nutrients and harmful substances via the apoplastic space between the soil solution and the stele in roots [1–3]. Casparian strips are ring-like lig... Read More about Role of LOTR1 in nutrient transport through organization of spatial distribution of root endodermal barriers.

Lateral root morphogenesis is dependent on the mechanical properties of the overlaying tissues (2013)
Journal Article
Lucas, M., Kenobi, K., Von Wangenheim, D., Voß, U., Swarup, K., De Smet, I., …Bennett, M. J. (2013). Lateral root morphogenesis is dependent on the mechanical properties of the overlaying tissues. Proceedings of the National Academy of Sciences, 110(13), 5229-5234. https://doi.org/10.1073/pnas.1210807110

In Arabidopsis, lateral root primordia (LRPs) originate from pericycle cells located deep within the parental root and have to emerge through endodermal, cortical, and epidermal tissues. These overlaying tissues place biomechanical constraints on the... Read More about Lateral root morphogenesis is dependent on the mechanical properties of the overlaying tissues.