HALLIDAY, Karen - University of Edinburgh - School of Biological Sciences

个人简介

I first became interested in plants after visiting the Amazon rainforest in 1991. I developed a fascination with how plants used environmental light cues to signify potential competition from nearby plants and seasonal progression. During my PhD (1992-1996) with Prof. Garry Whitelam at Leicester University I studied the molecular pathways that sense light signals and trigger physiological responses. Subsequently, as a postdoctoral research associate (in Prof. Peter Quail’s lab,USDA, Berkeley) I identified light pathway signalling components and later discovered a link between light and temperature signalling. I started my own lab in 2000 with a Lectureship position at Bristol University where I studied light and hormonal signal integration. Following a move to Edinburgh University as a Senior Lecturer (2004), Reader (2011) and Professor (2015) the scope of my research broadened to include light-temperature interactions and mathematical modelling. My lab continues to work on signal convergence, and we are now striving to determine how the photoreceptor pathways control carbon resource partitioning. We feel this is important as the phytochrome light receptors are major regulators of resource allocation to biomass in field crops

研究领域

Karen Halliday, is Chair of Systems Physiology at Edinburgh University, with expertise in environmental signal integration, molecular genetics and dynamical mathematical modelling in the model plant Arabidopsis thaliana.

近期论文

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Quint M, Delker C, Franklin K, Wigge P, Halliday K, van Zanten M. Molecular and genetic control of plant thermomorphogenesis. Review. Nature Plants (in press). Yang D, Seaton DD, Krahmer J, Halliday KJ. Photoreceptor effects on plant biomass, resource allocation and metabolic state. PNAS 2016 Jun 21. pii: 201601309. Flis A, Fernández AP, Zielinski T, Mengin V, Sulpice R, Stratford K, Hume A, Pokhilko A, Southern MM, Seaton DD, McWatters HG, Stitt M, Halliday KJ, Millar AJ. Defining the robust behaviour of the plant clock gene circuit with absolute RNA timeseries and open infrastructure. Open Biol. 2015 5(10). Vo? U, Wilson MH, Kenobi K, Gould PD, Robertson FC, Peer WA, Lucas M, Swarup K, Casimiro I, Holman TJ, Wells DM, Péret B, Goh T, Fukaki H, Hodgman TC, Laplaze L, Halliday KJ, Ljung K, Murphy AS, Hall AJ, Webb AA, Bennett MJ. The circadian clock rephases during lateral root organ initiation in Arabidopsis thaliana. Nat Commun. 2015 6:7641. Bou-Torrent J, Toledo-Ortiz G, Ortiz-Alcaide M, Cifuentes-Esquivel N, Halliday KJ, Martinez-García JF, Rodriguez-Concepcion M. Regulation of Carotenoid Biosynthesis by Shade Relies on Specific Subsets of Antagonistic Transcription Factors and Cofactors. Plant Physiol. 2015 169(3):1584-94. Seaton* DD, Smith* RW, Song YH, MacGregor DR, Stewart K, Steel G, Foreman J, Penfield S, Imaizumi T, Millar AJ, Halliday KJ. Linked circadian outputs control plant growth and development in response to photoperiod and temperature. Mol. Syst. Biol. 2015 11(1):776. Arabidopsis cell expansion is controlled by a photothermal switch. Johansson H, Jones HJ, Foreman J, Hemsted JR, Stewart K, Grima R, Halliday KJ. Nat Commun. 2014 5:4848. Multiscale digital Arabidopsis predicts individual organ and whole-organism growth. Chew YH, Wenden B, Flis A, Mengin V, Taylor J, Davey CL, Tindal C, Thomas H, Ougham HJ, de Reffye P, Stitt M, Williams M, Muetzelfeldt R, Halliday KJ, Millar AJ. Proc Natl Acad Sci U S A. 2014 111(39):E4127-36. Mathematical models light up plant signaling. Chew YH, Smith RW, Jones HJ, Seaton DD, Grima R, Halliday KJ. Plant Cell. 2014 26(1):5-20. Temperature and light signal integration. McWatters HG, Toledo-Ortiz G, and Halliday KJ. Book, Temperature and Plant Development. Eds: Franklin and Wigge, Feb. 2014, ISBN: 978-1-118-30820-2. High Expression of OSMOTICALLY RESPONSIVE GENES 1 Is Required for Circadian Periodicity through the Promotion of Nucleo-Cytoplasmic mRNA Export in Arabidopsis.Macgregor DR, Gould P, Foreman J, Griffiths J, Bird S, Page R, Stewart K, Steel G, Young J, Paszkiewicz K, Millar AJ, Halliday KJ, Hall AJ, Penfield S. Plant Cell. 2013, Nov 19. Model selection reveals control of cold signalling by evening-phased components of the plant circadian clock. Keily J, MacGregor DR, Smith RW, Millar AJ, Halliday KJ, Penfield S. Plant J. 2013, 76(2):247-57. Inference on periodicity of circadian time series. Costa MJ, Finkenst?dt B, Roche V, Lévi F, Gould PD, Foreman J, Halliday K, Hall A, Rand DA. Biostatistics. 2013, 14(4):792-806. Network balance via CRY signalling controls the Arabidopsis circadian clock over ambient temperatures. Gould PD, Ugarte N, Domijan M, Costa M, Foreman J, Macgregor D, Rose K, Griffiths J, Millar AJ, Finkenst?dt B, Penfield S, Rand DA, Halliday KJ, Hall AJ. Mol Syst Biol. 2013;9:650. Differential control of seed primary dormancy in Arabidopsis ecotypes by the transcription factor SPATULA.Vaistij FE, Gan Y, Penfield S, Gilday AD, Dave A, He Z, Josse EM, Choi G, Halliday KJ, Graham IA. Proc Natl Acad Sci U S A. 2013, 110(26):10866-71. The clock gene circuit in Arabidopsis includes a repressilator with additional feedback loops. Pokhilko A, Fernández AP, Edwards KD, Southern MM, Halliday KJ, Millar AJ. Mol Syst Biol. 2012, 8:574. Inference on periodicity of circadian time series. Costa MJ, Finkenst?dt B, Roche V, Lévi F, Gould PD, Foreman J, Halliday K, Hall A, Rand DA.Biostatistics. 2013, 14(4):792-806. Stochastic properties of the plant circadian clock. Guerriero ML, Pokhiko A, Fernández AP, Halliday KJ, Millar AJ, Hillston J. 2011, J R Soc Interface. 2012, 9(69):744-56 A DELLA in disguise: SPATULA restrains the growth of the developing Arabidopsis seedling Josse EM, Gan Y, Bou-Torrent J, Stewart KL, Gilday AD, Jeffree CE, Vaistij FE, Martínez-García JF, Nagy F, Graham IA, Halliday KJ. Plant Cell. 2011 (4):1337-51. Light receptor action is critical for maintaining plant biomass at warm ambient temperatures.Foreman J, Johansson H, Hornitschek P, Josse EM, Fankhauser C, Halliday KJ. Plant J. 2011 65(3):441-52. Plant Development: Light Exposure Directs Meristem Fate. Griffiths J and Halliday KJ. Current Biology. 2011, 21(19):R817-9. Fruit Development: New Directions for an Old Pathway Moran CN and Halliday KJ, Current Biology 2010, 20(24):R1081-3.