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Keeping in time with the heat: how oscillating temperatures set the plant circadian clock

Obiettivo

Plants contain rhythmic molecular oscillators (termed circadian clocks) which allow them to anticipate predictable environmental conditions over the course of a day. These clocks control a large proportion of the genome and have a dramatic effect on how plants respond to the environment. To ensure that it remains faithful to day length, the clock must be entrained using external cues. We have known for nearly a century that temperature fluctuations entrain plant circadian rhythms. Remarkably however, we are yet to discover how this information is perceived by the clock.

This proposal aims to discover how temperature sets the phase of the clock. Previous efforts have likely been hampered by the cross-talk between light and temperature signalling in plants. I have discovered that thermal entrainment of dark-grown seedlings enhances their survival during the critical dark to light transition and I will exploit this phenotype to identify the thermal entrainer. One of the most likely candidates is PHYTOCHROME INTERACTING FACTOR 4 (PIF4). PIF4 is currently seen as an output of the clock and so these results may revolutionise our understanding of this relationship. I have designed a inter-disciplinary approach including molecular-genetic, computational and physiological experiments in order to test this hypothesis. As PIF4 is a central regulator of plant development, results from this project will have a far-reaching impact.

The enhancement of seedling hardiness through thermal entrainment has potential commercial applications and I have laid out plans to explore these. The results will be communicated to both industrial and academic sectors and the wider public. Special attention has been paid to ensuring that this work will bolster the European Innovation Union through strengthening cross-European co-operation. The project has been designed to maximise my training opportunities and will make a significant contribution to my development as an independent researcher.

Campo scientifico

CORDIS classifica i progetti con EuroSciVoc, una tassonomia multilingue dei campi scientifici, attraverso un processo semi-automatico basato su tecniche NLP.

Coordinatore

AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS
Contribution nette de l'UE
€ 158 121,60
Indirizzo
CALLE SERRANO 117
28006 Madrid
Spagna

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Regione
Comunidad de Madrid Comunidad de Madrid Madrid
Tipo di attività
Research Organisations
Collegamenti
Costo totale
€ 158 121,60