TransEpiSeed The role of mRNA methylation in control of seed germination
Seed germination is a unique phase of the plant life cycle. Its correct coordination is crucial for seedling establishment, and germination is, therefore, key for crop survival and yield. The improvement of seed germination will b...
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Información proyecto TransEpiSeed
Duración del proyecto: 33 meses
Fecha Inicio: 2020-03-24
Fecha Fin: 2022-12-31
Líder del proyecto
KOBENHAVNS UNIVERSITET
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Presupuesto del proyecto
207K€
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
Seed germination is a unique phase of the plant life cycle. Its correct coordination is crucial for seedling establishment, and germination is, therefore, key for crop survival and yield. The improvement of seed germination will be highly important for modernized precision agriculture.
Seeds accumulate a substantial amount of translationally inert mRNA during maturation. These mRNAs have a strikingly long half-life allowing seeds of certain plant species survive up to thousands of years. Upon water-uptake, these mRNAs are translationally activated in support of seed germination. The function of mRNAs stored in dry seeds has been a mystery for decades. My recent work demonstrated that these stored mRNAs are associated with ribosomes and that they get translated during early seed germination. Therefore, an understanding of the regulatory mechanisms that govern the storage of these mRNAs in dry seeds, and their eventual translation upon germination will reveal tremendous insight into seed germination.
A multitude of mechanisms might affect mRNA translation. Common to them is that they must involve sequence-specific recognition of a signal within the transcript, such as an mRNA modification. N6-methyladenosine (m6A), the most widespread internal mRNA modification, has been shown to have important role on mRNA stability or translation efficiency involving recruitment of specialized m6A-binding proteins, in plants referred to as EVOLUTIONARILY CONSERVED C-TERMINUS (ECT) proteins. TransEpiSeed aims to study the relevance of m6A for translational control during seed germination by investigation of m6A dynamics and the function of ECT proteins. Combining my knowledge on the translational regulation of seed germination with expertise on m6A of the host lab provides a strong base to increase the insight into the regulation of seed germination. The results will provide opportunities for high-quality seed production and strengthen my skills required as advanced seed biologist.