Light on our dark past Elucidating the deep archaeal roots of eukaryotic cellul...
Light on our dark past Elucidating the deep archaeal roots of eukaryotic cellular complexity
The origin of the eukaryotic cell, with its complex and compartmentalized features, represents a prime hallmark in the evolution of life on Earth. Yet, important details underpinning the emergence of cellular complexity of eukaryo...
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31/10/2029
WU
3M€
Presupuesto del proyecto: 3M€
Líder del proyecto
WAGENINGEN UNIVERSITY
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Fecha límite participación
Sin fecha límite de participación.
Financiación
concedida
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Información proyecto DARK-ROOTS
Duración del proyecto: 61 meses
Fecha Inicio: 2024-09-24
Fecha Fin: 2029-10-31
Líder del proyecto
WAGENINGEN UNIVERSITY
No se ha especificado una descripción o un objeto social para esta compañía.
TRL
4-5
Presupuesto del proyecto
3M€
Fecha límite de participación
Sin fecha límite de participación.
Descripción del proyecto
The origin of the eukaryotic cell, with its complex and compartmentalized features, represents a prime hallmark in the evolution of life on Earth. Yet, important details underpinning the emergence of cellular complexity of eukaryotic cells remain thus far unresolved. Current views support evolutionary scenarios in which the first eukaryotic evolved via a merger between an archaeal host cell and one or more bacterial endosymbionts. Recent phylogenomic work from my lab has shown that the archaeal host cell evolved from within the Asgard archaea, an archaeal clade uniquely displaying several eukaryote-like features. However, key aspects regarding the nature and biology of the archaeal host cell remain elusive, limiting our current understanding of the early stages of eukaryogenesis. In DARK-ROOTS, my team will capitalize upon our unique position and foundational results, and use complementary approaches to elucidate the emergence of complex cellular features during eukaryogenesis. Firstly, building on encouraging preliminary results, we will use an advanced anaerobic cultivation infrastructure to enrich diverse Asgard archaeal lineages. Next, we will use high-resolution and live microscopy approaches to study their cellular ultrastructures and cell biological properties. Furthermore, we will monetize on recent breakthroughs in structural biology and use AI-guided structural genomics to uncover new eukaryotic signature proteins in Asgard archaea. Finally, we will trace the evolution of Asgard archaeal proteins, focusing on homologs of proteins that give stature to the complex and compartmentalized nature in eukaryotic cells. Altogether, building on a rich foundation of preliminary results, my group will bring new pieces of the enigmatic eukaryogenesis puzzle to the table by elucidating how intracellular complexity arose during the prokaryote-to-eukaryote transition.