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Dr Stephen Roberts

Lecturer in membrane transport

  1. 2021
  2. Published

    Application of a statistical and linear response theory to multi-ion Na+ conduction in NaChBac

    Gibby, W., Fedorenko, O., Guardiani, C., Barabash, M., Mumby, T., Roberts, S., Luchinsky, D. & McClintock, P. V. E., 21/02/2021, In: Entropy. 23, 2, 16 p., 249.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  3. 2020
  4. Published

    Changes in ion selectivity following asymmetrical addition of charge to the selectivity filter of bacterial sodium channels

    Fedorenko, O., Khovanov, I., Roberts, S. & Guardiani, C., 31/12/2020, In: Entropy. 22, 12, 18 p., 998416.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  5. Published

    Ionic Coulomb blockade and the determinants of selectivity in the NaChBac bacterial sodium channel

    Fedorenko, O. A., Kaufman, I. K., Gibby, W. A. T., Barabash, M. L., Luchinsky, D. G., Roberts, S. K. & McClintock, P. V. E., 1/09/2020, In: Biochimica et Biophysica Acta (BBA) - Biomembranes. 1862, 9, 9 p., 183301.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  6. 2019
  7. Published

    Novel insights into the potential role of ion transport in sensory perception in Acanthamoeba

    Siddiqui, R., Roberts, S. K., YU Yee Ong, T., Mungroo, M., Anwar, A. & Khan, N., 14/11/2019, In: Parasites and Vectors. 12, p. 538-545 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  8. Published

    Theory and experiments on multi-ion permeation and selectivity in the NaChBac ion channel

    Gibby, W. A. T., Barabash, M., Guardiani, C., Luchinsky, D., Fedorenko, O., Roberts, S. K. & McClintock, P. V. E., 1/06/2019, In: Fluctuation and Noise Letters. 18, 2, 13 p., 1940007.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  9. Published

    Covalent linkage of bacterial voltage-gated sodium channels

    Sun, H., Zheng, Z., Fedorenko, O. & Roberts, S. K., 27/04/2019, In: BMC Biophysics. 12, 1, 8 p., 1.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  10. Published

    Different roles for aspartates and glutamates for cation permeation in bacterial sodium channels Article reference

    Guardiani, C., Fedorenko, O., Khovanov, I. A. & Roberts, S. K., 1/02/2019, In: Biochimica et Biophysica Acta (BBA) - Biomembranes. 1861, 2, p. 495-503 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  11. 2018
  12. Published
  13. 2017
  14. Published

    On the selectivity of the NaChBac channel: an integrated computational and experimental analysis of Sodium and Calcium permeation

    Guardiani, C., Fedorenko, O., Roberts, S. K. & Khovanov, I. A., 28/11/2017, In: Physical Chemistry Chemical Physics. 19, 44, p. 29840-29854 15 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  15. Published

    Ionic Coulomb blockade and anomalous mole fraction effect in the NaChBac bacterial ion channel and its charge-varied mutants

    Kaufman, I. K., Fedorenko, O., Luchinsky, D., Gibby, W., Roberts, S. K., McClintock, P. V. E. & Eisenberg, R. S., 11/09/2017, In: EPJ Nonlinear Biomedical Physics. 5, 8 p., 4.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  16. Published

    Sodium binding sites and permeation mechanism in the NaChBac channel: a molecular dynamics study

    Guardiani, C., Rodger, P. M., Fedorenko, O., Roberts, S. K. & Khovanov, I. A., 14/03/2017, In: Journal of Chemical Theory and Computation. 13, 3, p. 1389-1400 12 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  17. 2016
  18. Published
  19. Published

    Valproate inhibits MAP kinase signalling and cell cycle progression in S. cerevisiae.

    Desfossés-Baron, K., Hammond-Martel, I., Simoneau, A., Sellam, A., Roberts, S. K. & Wurtele, H., 26/10/2016, In: Scientific Reports. 6, p. 1-14 14 p., 36013.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  20. Published

    Population Pharmacokinetics and Pharmacodynamics of Praziquantel in Ugandan Children with Intestinal Schistosomiasis: Higher Dosages Are Required for Maximal Efficacy

    Bustinduy, A. L., Waterhouse, D., de Sousa-Figueiredo, J. C., Roberts, S. A., Atuhaire, A., Van Dam, G. J., Corstjens, P. L. A. M., Scott, J. T., Stanton, M. C., Kabatereine, N. B., Ward, S., Hope, W. W. & Stothard, J. R., 9/08/2016, In: MBio. 7, 4, 9 p., e00227-16.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  21. 2014
  22. Published

    Calcium dependence of Eugenol tolerance and toxicity in Saccharomyces cerevisiae

    Roberts, S., McAinsh, M., Cantopher, H. & Sandison, S., 18/07/2014, In: PLoS ONE. 9, 7, 8 p., e102712.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  23. 2013
  24. Published

    Calcium imaging of the cyclic nucleotide response

    McAinsh, M., Roberts, S. & Dubovskaya, L., 2013, Cyclic nucleotide signalling in plants. Gehring, C. (ed.). New York: Humana Press, p. 107-119 13 p. (Methods in Molecular Biology; vol. 1016).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNChapter

  25. 2012
  26. Published

    Cch1p mediates Ca2+ influx to protect Saccharomyces cerevisiae against eugenol toxicity

    Roberts, S., McAinsh, M. & Widdicks, L., 13/09/2012, In: PLoS ONE. 7, 9, 7 p., e43989.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  27. 2011
  28. Published

    Characterisation of AnBEST1, a functional anion channel in the plasma membrane of the filamentous fungus, Aspergillus nidulans.

    Roberts, S., Milnes, J. & Caddick, M., 09/2011, In: Fungal Genetics and Biology. 48, 9, p. 928-938 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  29. 2007
  30. Published

    A CLC chloride channel plays an essential role in copper homeostasis in Aspergillus nidulans at increased extracellular copper concentrations.

    Odden, D. M., Diatloff, E. & Roberts, S. K., 1/10/2007, In: Biochimica et Biophysica Acta (BBA) - Biomembranes. 1768, 10, p. 2466-2477 12 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  31. 2006
  32. Published

    Expression and transport characterisation of the wheat low-affinity cation transporter (LCT1) in the methylotrophic yeast Pichia pastoris.

    Diatloff, E., Forde, B. G. & Roberts, S. K., 9/06/2006, In: Biochemical and Biophysical Research Communications. 344, 3, p. 807-813 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  33. Published

    Plasma membrane anion channels in higher plants and their putative functions in roots.

    Roberts, S. K., 03/2006, In: New Phytologist. 169, 4, p. 647-666 20 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  34. 2005
  35. Published

    The Saccharomyces cerevisiae Ca2+ channel Cch1pMid1p is essential for tolerance to cold stress and iron toxicity.

    Peiter, E., Fischer, M., Sidaway, K., Roberts, S. K. & Sanders, D., 24/10/2005, In: FEBS Letters. 579, 25, p. 5697-5703 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  36. Published

    Phosphate-dependent anion channel-mediated citrate efflux from Arabidopsis roots

    Diatloff, E., Roberts, M., Sanders, D. & Roberts, S., 07/2005, In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 141, 3 Supplement, p. S222-S223 2 p.

    Research output: Contribution to Journal/MagazineMeeting abstract

  37. Published

    The Saccharomyces cerevisiae Ca2+ channel Cch1pMid1p reveals a role for Ca2+ influx in iron tolerance

    Peiter, E., Fischer, M., Sidaway, K., Roberts, S. K. & Sanders, D., 07/2005, In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 141, Supplement 3, p. S289-S289 1 p.

    Research output: Contribution to Journal/MagazineMeeting abstractpeer-review

  38. 2004
  39. Published

    Characterization of Anion Channels in the Plasma Membrane of Arabidopsis Epidermal Root Cells and the Identification of a Citrate-Permeable Channel Induced by Phosphate Starvation.

    Diatloff, E., Roberts, M., Sanders, D. & Roberts, S. K., 12/2004, In: Plant Physiology. 136, 4, p. 4136-4149 14 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  40. Published

    Differential regulation of K+ channels in Arabidopsis epidermal and stelar root cells.

    Diatloff, E., Geiger, D., Shang, L., Hedrich, R. & Roberts, S. K., 08/2004, In: Plant, Cell and Environment. 27, 8, p. 980-990 11 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  41. Published

    Anion channels in roots : a role in sulphate transport.

    Diatloff, E., Brown, R. & Roberts, S. K., 03/2004, In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 137, 3 Supp, p. S240

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  42. Published

    Investigation into the functions of CLC channels in the filamentous fungus Aspergillus nidulans.

    Oddon, E., Diatloff, E. & Roberts, S. K., 03/2004, In: Comparative Biochemistry and Physiology - Part A: Molecular and Integrative Physiology. 137, 3 Supp, p. S196-S197

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  43. Published

    Mitochondria provide the main source of cytosolic ATP for activation of outward-rectifying K+ channels in mesophyll protoplast of chlorophyll-deficient mutant rice (OsCHLH) seedlings.

    Goh, C-H., Jung, K-H., Roberts, S. K., McAinsh, M., Hetherington, A. M., Park, Y. I. & Suh, K. H., 20/02/2004, In: Journal of Biological Chemistry. 279, 8, p. 6874-6882 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  44. 2003
  45. Published

    TOK homologue in Neurospora crassa : first cloning and functional characterisation of an ion channel in a filamentous fungus.

    Roberts, S. K., 02/2003, In: Eukaryotic Cell. 2, 1, p. 181-190 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  46. 2001
  47. Published

    A Novel Low-Affinity H⁺-Cl⁻ Co-Transporter in Yeast: Characterization by Patch Clamp

    Roberts, S. K., Dixon, G. K., Fischer, M. & Sanders, D., 07/2001, In: Mycologia. 93, 4, p. 636-633 4 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  48. 2000
  49. Published

    The effects of ABA on channel mediated K+ transport across higher plant roots.

    Roberts, S. K. & Snowman, B. N., 09/2000, In: Journal of Experimental Botany. 51, 350, p. 1585-1594 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  50. 1999
  51. Published

    Divalent Cation Block of Inward Currents and Low-Affinity K+ Uptake in Saccharomyces cerevisiae.

    Roberts, S. K., Fischer, M., Dixon, G. K. & Sanders, D., 01/1999, In: Journal of Bacteriology. 181, 1, p. 291-297 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  52. Published

    Divalent cation block of inward currents and low-afinity K+ uptake in Saccharomyces cerevisiae

    Roberts, S. K., Fischer, M., Dixon, G. K. & Sanders, D., 01/1999, In: Journal of Bacteriology. 181, 1, p. 291-297 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  53. 1998
  54. Published

    Regulation of K+ channels in maize roots by water stress and abscisic acid

    Roberts, S. K., 01/1998, In: Plant Physiology. 116, 1, p. 145-153 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  55. Published

    Integration of ion channel activity in calcium signalling pathways

    Sanders, D., Allen, G. J., Muir, S. R. & Roberts, S. K., 1998, Cellular Integration of Signalling Pathways in Plant Development. Lo Schiavo, F., Last, R. L., Morelli, G. & Raikhel, N. V. (eds.). Berlin: Springer Verlag, p. 47-58 12 p. (NATO Advanced Science Institutes Series, Series H, Cell Biology; vol. 104).

    Research output: Contribution in Book/Report/Proceedings - With ISBN/ISSNConference contribution/Paperpeer-review

  56. 1997
  57. Published

    Laser ablation of the cell wall and localized patch clamping of the plasma membrane in the filamentous fungus Aspergillus: characterization of an anion-selective efflux channel

    Roberts, S. K., Dixon, G. K., Dunbar, S. J. & Sanders, D., 12/1997, In: New Phytologist. 137, 4, p. 579-585 7 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  58. Published

    Permeation of Ca2+ and monovalent cations through an outwardly rectifying channel in maize root stelar cells

    Roberts, S. K. & Tester, M., 04/1997, In: Journal of Experimental Botany. 48, 309, p. 839-846 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  59. Published

    A patch clamp study of Na+ transport in maize roots

    Roberts, S. K. & Tester, M., 03/1997, In: Journal of Experimental Botany. 48, p. 431-440 10 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  60. 1995
  61. Published

    Inward and outward K+-selective currents in the plasma membrane of protoplasts from maize root cortex and stele

    Roberts, S. K. & Tester, M., 12/1995, In: Plant Journal. 8, 6, p. 811-825 15 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  62. 1994
  63. Published

    Cytoplasmic calcium and Fucus egg activation

    Roberts, S., Gillot, I. & Brownlee, C., 01/1994, In: Development. 120, 1, p. 155-163 9 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  64. 1993
  65. Published

    The role of Ca2+ in signal-transduction following fertilization in Fucus serratus

    Roberts, S., Berger, F. & Brownlee, C., 1/11/1993, In: Journal of Experimental Biology. 184, p. 197-212 16 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

  66. 1992
  67. Published

    Calcium and related channels in fertilization and early development of Fucus

    Taylor, A. R., Roberts, S. & Brownlee, C., 29/10/1992, In: Philosophical Transactions of the Royal Society B: Biological Sciences. 338, 1283, p. 97-104 8 p.

    Research output: Contribution to Journal/MagazineJournal articlepeer-review

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