K
Karen J. Halliday
Researcher at University of Edinburgh
Publications - 85
Citations - 6917
Karen J. Halliday is an academic researcher from University of Edinburgh. The author has contributed to research in topics: Phytochrome & Arabidopsis. The author has an hindex of 44, co-authored 82 publications receiving 5982 citations. Previous affiliations of Karen J. Halliday include University of Leicester & University of California, Berkeley.
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Journal ArticleDOI
The clock gene circuit in Arabidopsis includes a repressilator with additional feedback loops
Alexandra Pokhilko,Aurora Piñas Fernández,Kieron D. Edwards,Megan M Southern,Karen J. Halliday,Andrew J. Millar +5 more
TL;DR: The model provides a new conceptual framework for the plant clock that includes a three‐component repressilator circuit in its complex structure, and removes the necessity for the unknown component X (or TOC1mod) from previous clock models.
Journal ArticleDOI
Molecular and genetic control of plant thermomorphogenesis
Marcel Quint,Marcel Quint,Carolin Delker,Carolin Delker,Keara A. Franklin,Philip A. Wigge,Karen J. Halliday,Martijn van Zanten +7 more
TL;DR: How the emerging knowledge in Arabidopsis may be transferred to relevant crop systems is discussed, as this knowledge will be key to rational breeding for thermo-tolerant crop varieties.
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Cold and light control seed germination through the bHLH transcription factor SPATULA
Steven Penfield,Eve-Marie Josse,Rubini Kannangara,Alison D. Gilday,Karen J. Halliday,Ian A. Graham +5 more
TL;DR: The bHLH transcription factor SPATULA is a light-stable repressor of seed germination and mediates the germination response to temperature and SPT is required in dormant seeds for maintaining the repression of GA3ox transcription.
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The HY5-PIF regulatory module coordinates light and temperature control of photosynthetic gene transcription.
Gabriela Toledo-Ortiz,Henrik Johansson,Keun Pyo Lee,Jordi Bou-Torrent,Kelly L. Stewart,Gavin Steel,Manuel Rodríguez-Concepción,Karen J. Halliday +7 more
TL;DR: It is demonstrated that by directly targeting a common promoter cis-element (G-box), HY5 and PIFs form a dynamic activation-suppression transcriptional module responsive to light and temperature cues that provides a simple, direct mechanism through which environmental change can redirect transcriptional control of genes required for photosynthesis and photoprotection.
Journal ArticleDOI
Phytochrome control of flowering is temperature sensitive and correlates with expression of the floral integrator FT
TL;DR: In this paper, it was shown that the early flowering phenotype of phyB is temperature-dependent and that this temperature-sensitive flowering response defines a pathway that appears to be independent of the autonomous-FLC pathway.