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Timothy J. Hearn
Researcher at University of Cambridge
Publications - 16
Citations - 670
Timothy J. Hearn is an academic researcher from University of Cambridge. The author has contributed to research in topics: Circadian clock & Circadian rhythm. The author has an hindex of 9, co-authored 14 publications receiving 474 citations. Previous affiliations of Timothy J. Hearn include University College London & University of Birmingham.
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Journal ArticleDOI
ELF3 controls thermoresponsive growth in Arabidopsis
Mathew S. Box,B. Emma Huang,Mirela Domijan,Katja E. Jaeger,Asif Khan Khattak,Asif Khan Khattak,Seong Jeon Yoo,Emma L. Sedivy,D. Marc Jones,Timothy J. Hearn,Alex A. R. Webb,Alastair Grant,James C. W. Locke,Philip A. Wigge +13 more
TL;DR: It is shown that high temperature relieves the gating of growth at night, highlighting the importance of temperature-dependent repressors of growth.
Journal ArticleDOI
Circadian Entrainment in Arabidopsis by the Sugar-Responsive Transcription Factor bZIP63
Alexander Frank,Cleverson Carlos Matiolli,Américo José Carvalho Viana,Timothy J. Hearn,Jelena Kusakina,Jelena Kusakina,Fiona E. Belbin,David Wells Newman,Aline Yochikawa,Aline Yochikawa,Dora L. Cano-Ramirez,Anupama Chembath,Anupama Chembath,Kester Cragg-Barber,Michael J. Haydon,Michael J. Haydon,Carlos Takeshi Hotta,Michel Vincentz,Alex A. R. Webb,Antony N. Dodd +19 more
TL;DR: It is demonstrated that daily rhythms of energy availability can entrain the circadian oscillator through the function of bZIP63, TPS1, and the KIN10 subunit of the SnRK1 energy sensor, identifying a molecular mechanism that adjusts the circadian phase in response to sugars.
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Function and evolution of ‘green’ GSK3/Shaggy-like kinases
TL;DR: The mechanisms of Arabidopsis G SK3 action are outlined, GSK3 functions in dicot and monocot flowering plants are summarized, and the possible functions of GSK 3s in the earliest-evolving land plants are speculated on.
Journal ArticleDOI
Circadian oscillations of cytosolic free calcium regulate the Arabidopsis circadian clock
María Carmen Martí Ruiz,Katharine E. Hubbard,Katharine E. Hubbard,Michael J. Gardner,Hyun Ju Jung,Sylvain Aubry,Sylvain Aubry,Carlos Takeshi Hotta,Carlos Takeshi Hotta,Nur Izzati Mohd-Noh,Nur Izzati Mohd-Noh,Fiona C. Robertson,Fiona C. Robertson,Timothy J. Hearn,Yu-Chang Tsai,Antony N. Dodd,Antony N. Dodd,Matthew A. Hannah,Isabelle A. Carré,Julia M. Davies,Janet Braam,Alex A. R. Webb +21 more
TL;DR: It is shown that oscillations in free calcium concentration, read by calmodulin-like proteins, regulate the clock and are part of this complex mechanism.
Journal ArticleDOI
Metabolic regulation of circadian clocks
TL;DR: The mechanisms of circadian regulation of metabolism by TTFL are summarised and increasing evidence that rhythmic metabolism contributes to the circadian network is considered, which might be relevant to plant circadian clock function.