Dr Lotten Ragnarsson

Senior Research Officer

Institute for Molecular Bioscience
l.ragnarsson@imb.uq.edu.au
+61 7 334 62722

Overview

Qualifications

  • Doctor of Philosophy, The University of Queensland
  • Master of Science, University of Kalmar

Publications

  • Sousa, Silmara R., McArthur, Jeffrey R., Brust, Andreas, Bhola, Rebecca F., Rosengren, K. Johan, Ragnarsson, Lotten, Dutertre, Sebastien, Alewood, Paul F., Christie, Macdonald J., Adams, David J., Vetter, Irina and Lewis, Richard J. (2018) Novel analgesic ω-conotoxins from the vermivorous cone snail Conus moncuri provide new insights into the evolution of conopeptides. Scientific Reports, 8 1: . doi:10.1038/s41598-018-31245-4

  • Muttenthaler, Markus, Andersson, Asa, Vetter, Irina, Menon, Rohit, Busnelli, Marta, Ragnarsson, Lotten, Bergmayr, Christian, Arrowsmith, Sarah, Deuis, Jennifer R., Chiu, Han Sheng, Palpant, Nathan J., O'Brien, Margaret, Smith, Terry J., Wray, Susan, Neumann, Inga D., Gruber, Christian W., Lewis, Richard J. and Alewood, Paul F. (2017) Subtle modifications to oxytocin produce ligands that retain potency and improved selectivity across species. Science Signaling, 10 508: 1-13. doi:10.1126/scisignal.aan3398

  • Sousa, Silmara R., Wingerd, Joshua S., Brust, Andreas, Bladen, Christopher, Ragnarsson, Lotten, Herzig, Volker, Deuis, Jennifer R., Dutertre, Sebastien, Vetter, Irina, Zamponi, Gerald W., King, Glenn F., Alewood, Paul F. and Lewis, Richard J. (2017) Discovery and mode of action of a novel analgesic β-toxin from the African spider Ceratogyrus darlingi. PLoS One, 12 9: e0182848. doi:10.1371/journal.pone.0182848

View all Publications

Supervision

View all Supervision

Publications

Book Chapter

  • Fry, B. G., Undheim, E. A. B., Jackson, T. N. W., Georgieva, D., Vetter, I., Calvete, J. J., Schieb, H., Cribb, B. W., Yang, D. C., Daly, N. L., Manchadi, M. L. Roy, Gutierrez, J. M., Roelants, K., Lomonte, B., Nicholson, G. M., Dziemborowicz, S., Lavergne, V., Ragnarsson, L., Rash, L. D., Mobli, M., Hodgson, W. C., Casewell, N. R., Nouwens, A., Wagstaff, S. C., Ali, S. A., Whitehead, D. L., Herzig, V., Monagle, P., Kurniawan, N. D., Reeks, T. and Sunagar, K. (2015). Research methods. In Venomous reptiles and their toxins: evolution, pathophysiology and biodiscovery (pp. 153-214) New York, NY, United States: Oxford University Press.

  • Ragnarsson, Lotten, Dodd, Peter R. and Hynd, Matthew R. (2014). Role of ionotropic glutamate receptors in neurodegenerative and other disorders. In Handbook of neurotoxicity (pp. 1039-1070) New York, NY, United States: Springer Science+Business Media. doi:10.1007/978-1-4614-5836-4_144

Journal Article

Conference Publication

  • Hassan, Mahadhi, Abraham, Nikita, Ragnarsson, Lotten K.N., Cardoso, Fernanda C. and Lewis, Richard J. (2017). Defining ω-conotoxin binding site and delineating the role of the α2δ1 subunit in ω-conotoxin binding. In: Venom to Drugs Conference 2017, Noosa Heads, QLD Australia, (). 9-14 October 2017.

  • Wang, D., Herzig, V., Dekan, Z., Ragnarsson, Lotten K. N., Cardoso, Fernanda C. and Lewis, Richard J. (2017). High-throughput cell-based assays for screening Cav3.2 modulators from venoms. In: Venom to Drugs Conference 2017, Noosa Heads, QLD, Australia, (). 9-14 October 2017.

  • Sousa, Silmara R., Ragnarsson, Lotten, Vetter, Irina, Herzig, Volker, King, Glenn F. and Lewis, Richard J. (2012). Development of high throughput calcium channel assays to accelerate the discovery of novel toxins targeting human cav2.2 channels. In: Abstracts: Toxins 2012. 7th World Congress of the International Society on Toxinology & Venom Week 2012, 4th International Scientific Symposium on All Things Venomous, Honolulu, Hawaii, (111-111). 8 - 13 July 2012. doi:10.1016/j.toxicon.2012.04.033

  • Ragnarsson, Lotten, Wang, Ching-I. Anderson, Andersson, Åsa, Fajarningsih, Dewi, Monks, Thea, Brust, Andreas, Rosengren, K. Johan and Lewis, Richard J. (2012). The allosteric binding site for rho-TIA on the extracellular surface of the alpha 1B-Adrenoceptor. In: 17th World Congress of the International Society on Toxinology & Venom Week 2012, 4th International Scientific Symposium on All Things Venomous, 17th World Congress of the International Society on Toxinology & Venom Week 2012, 4th International Scientific Symposium on All Things Venomous. 17th World Congress of the International-Society-on-Toxinology (IST)/Venom Week/4th International Scientific Symposium on All Things Venomous, Honolulu, Hawaii, United States, (164-164). 8-13 July 2012. doi:10.1016/j.toxicon.2012.04.137

  • Meunier, FA, Ragnarsson, L, Proctor, D, Feng, ZP, Molgo, J, Zamponi, GW and Schiavo, G (2005). Glycerotoxin and the regulation of neurotransmitter release. In: Journal of Neurochemistry. 20th Biennial Meeting of the International-Society-for-Neurochemistry/European-Society-for-Neurochemistry, Innsbruck Austria, (132-132). Aug 21-26, 2005.

  • Ragnarsson, L, Yasuda, T, Adams, DJ, Lewis, RJ and Dodd, PR (2004). NMDA receptor variant responses to conantokins. In: Journal of Neurochemistry. 6th Biennial Meeting of the Asian-Pacific-Society-for-Neurochemistry, Hong Kong Peoples R China, (67-67). Feb 04-07, 2004.

  • Ragnarsson, L. K., Yasuda, T., Adams, D. J., Lewis, R. J. and Dodd, P. R. (2004). NMDA receptor variant responses to conantokins. In: Journal of Neurochemistry. 6th Biennial Meeting of Asian-Pacific Society for Neurochemistry, Hong Kong, (67-67). 4th - 7th February, 2004. doi:10.1046/j.1474-1644.2003.2314p26_01.x

  • Ragnarsson, L, Dodd, P and Lewis, R (2002). Regional variation in the, pharmacology of NMDA receptors in normal and Alzheimer disease human cortex: Interactions with polyamines and conantokins. In: Neurobiology of Aging. , , (S526-S526). .

  • Dodd, P. R., Ragnarsson, L., Eckert, A. L., Alewood, P. F. and Lewis, R. (1999). Effect of conantokins on the spermine modulation of glutamate-NMDA sites in normal and Alzheimer disease human cerebral cortex. In: Journal of Neurochemistry: Abstracts of the Joint meeting of the International Society for Neurochemistry (ISN) and the European Society for Chemistry (ESN), 1999. Joint meeting of the International Society for Neurochemistry (ISN) and the European Society for Chemistry (ESN), Berlin, Germany, (S24A-S24A). 8 - 14 August, 1999.

  • Ragnarsson, L., Eckert, A. L., Dodd, P. R. and Lewis, R. J. (1999). Spermine modulation of the glutamate NMDA site is differentially responsive to conantokins in normal and ALzheimer disease human cerebral cortex. In: Proceedings of the Australian Neuroscience Society. 19th Annual Meeting of the Australian Neuroscience Society, Hobart Convention Centre, Hobart, (216-216). 31st January - 3rd February, 1999.

  • Totterman, TH, Gidlof, C, Ragnarsson, L, Hogbom, E, Lindeberg, M, von der Lehr, N, Einarsson, A, Soegaard, M, Kristensson, K, Kalland, T and Dohlsten, M (1998). Targeted superantigens for immunotherapy of haematopoietic tumours. In: 25th Congress of the International-Society-of-Blood-Transfusion, Oslo Norway, (483-487). Jun 27-Jul 02, 1998.

PhD and MPhil Supervision

Current Supervision

  • Doctor Philosophy — Associate Advisor

    Other advisors:

  • Doctor Philosophy — Associate Advisor

    Other advisors:

Completed Supervision