GROUP: Circadian Regulation of Plant-Environment Interactions

In the lab we are interested in understanding how the plant circadian clock incorporates environmental information and how it intersects with different signaling pathways to orchestrate plant physiology and development. Our current focus is on environmental stress, as under these circumstances proper clock function is especially relevant to plant survival and adaptation. The ultimate goal will be to leverage this information towards the improvement of crop yield and performance in the field.

(^#Corresponding author, ^Equal contribution)

• C. Martínez-Vasallo, B. Cole, J. Gallego-Bartolomé, J. Chory, S.A. Kay, M.A. Nohales^#. Epidermal GIGANTEA adjusts the response to shade at dusk by directly impinging on PHYTOCHROME INTARCTING FACTOR 7 function. bioRxiv. doi: https://doi.org/10.1101/2023.03.21.533699 (2023).
• M.A. Nohales^#. Spatial organization and coordination of the plant circadian system. Genes (Basel) 12(3):442 (2021). doi: 10.3390/genes12030442.
• Blanco-Touriñán^, M. Legris^, E.G. Minguet^, C. Costigliolo-Rojas, M.A. Nohales, E. Iniesto, M. Garcίa-Leόn, M. Pacίn, N. Heucken, T. Blomeier, A. Locascio, M. Černý, D. Esteve-Bruna, M. Dίez-Dίaz, B. Brzobohatý, H. Frerigmann, M.D. Zurbriggen, S.A. Kay, V. Rubio, M.A. Blázquez, J.J. Casal^#, D. Alabadί^#. COP1 destabilizes DELLA proteins in Arabidopsis. Proc Natl Acad Sci USA 117(24):13792-13799 (2020). doi: 10.1073/pnas.1907969117.
• M.A. Nohales^#, S.A. Kay^#. GIGANTEA gates gibberellin signaling through stabilization of the DELLA proteins in Arabidopsis. Proc Natl Acad Sci USA 116(43):21893-21899 (2019). doi: 10.1073/pnas.1913532116.
• S.P. Wongpalee, S. Liu, J. Gallego-Bartolomé, A. Leitner, R. Aebersold, W. Liu, L. Yen, M.A. Nohales, P.H. Kuo, A.A. Vashisht, J.A. Wohlschlegel, S. Feng, S.A. Kay, Z.H. Zhou, S.E. Jacobsen^#. CryoEM Structures of Arabidopsis DDR Complexes Involved in RNA-directed DNA Methylation. Nat Comm. 10(1):3916 (2019). doi: 10.1038/s41467-019-11759-9.
• M.A. Nohales, W. Liu, T. Duffy, K. Nozue, M. Sawa, J.L. Pruneda-Paz, J.N. Maloof, S.E. Jacobsen, S.A. Kay^#. Multi-level modulation of light signaling by GIGANTEA regulates both output and pace of the circadian clock. Dev Cell. 49(6):840-851 (2019). doi: 10.1016/j.devcel.2019.04.030.
• M.A. Nohales, S.A. Kay^#. Molecular mechanisms at the core of the plant circadian oscillator. Nat Struct Mol Biol. 23(12):1061-1069 (2016). doi: 10.1038/nsmb.3327.
• Endo^#, H. Shimizu, M.A. Nohales, T. Araki, S.A. Kay. Tissue-specific clocks in Arabidopsis show asymmetric coupling. Nature. 515(7527):419-22 (2014). doi: 10.1038/nature13919.
• Belda-Palazón, M.A. Nohales, J.L. Rambla, J.L. Aceña, O. Delgado, S. Fustero, M.C. Martínez, A. Granell, J. Carbonell, A. Ferrando^#. Biochemical quantitation of the eIF5A hypusination in Arabidopsis thaliana.uncovers ABA-dependent regulation. Front Plant Sci. 16;5:202 (2014). doi: 10.3389/fpls.2014.00202.
• M.A. Nohales, R. Flores, J.A. Darós^#. Viroid RNA redirects host DNA ligase 1 to act as an RNA ligase. Proc Natl Acad Sci USA. 109(34): 13805-13810 (2012). doi: 10.1073/pnas.1206187109.
• M.A. Nohales, D. Molina-Serrano, R. Flores, J.A. Darós^#. Involvement of the chloroplastic isoform of tRNA ligase in the replication of viroids belonging to the family Avsunviroidae. J Virol. 86(15): 8269-76 (2012). doi: 10.1128/JVI.00629-12.
• Molina-Serrano, J. Marqués, M.A. Nohales, R. Flores, J.A. Daròs^#. A chloroplastic RNA ligase activity analogous to the bacterial and archaeal 2’-5’ RNA ligase. RNA Biol. 9(3): 326-33 (2012). doi: 10.4161/rna.19218.
• Flores^#, D. Grub, A. Elleuch, M.A. Nohales, S. Delgado, S. Gago. Rolling-circle replication of viroids, viroid-like satellite RNAs and hepatitis delta virus: variations on a theme. RNA Biol. 8(2): 200-6 (2011). doi: 10.4161/rna.8.2.14238.
• Eiras, M.A. Nohales, E.W. Kitajima, R. Flores, J.A. Daròs^#. Ribosomal protein L5 and transcription factor IIIA from Arabidopsis thaliana bind in vitro specifically Potato spindle tuber viroid RNA. Arch Virol. 156(3): 529-33 (2011). doi: 10.1007/s00705-010-0867-x.
• Flores^#, M.E. Gas, D. Molina-Serrano, M.A. Nohales, A. Carbonell, S. Gago, M. De la Peña, J.A. Daròs. Viroid Replication: Rolling-Circles, Enzymes and Ribozymes. Viruses. 1(2): 317-34 (2009). doi: 10.3390/v1020317.

Línea 1: Circadian clock-mediated modulation of growth-defense trade-offs in plants and its potential as a biotechnological tool (Chronotrade).

Entidad finaciadora: Generalitat Valenciana, Conselleria d’Innovació, Universitats, Ciencia I Societat Digital. Referencia CIDEGENT/2020/037.

IP: Maria A. Nohales.

Línea 2: Caracterización de una red regulatoria del reloj circadiano y su reconfiguración en respuesta a déficit de agua (DroughtClock).

Entidad finaciadora: Proyecto PID2020-119491GA-I00 financiado por MCIN/ AEI /10.13039/501100011033

Fecha inicio: 01/09/2021; Fecha final: 31/08/2024

IP: Maria A. Nohales.

Línea 3: Towards a mechanistic understanding of clock-mediated regulation of water use in plants (AquaBeat).

Entidad finaciadora: Ministerio de Ciencia e Innovación, Unión Europea. Referencia CNS2022-135417.

IP: Maria A. Nohales.