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Evolution of regulatory landscapes at multiple timescales
Evolution of animal morphology relies on changes in developmental programs that control body plans and organ shape. Such changes are thought to arise form alteration of the expression of functionally conserved developmental genes... Evolution of animal morphology relies on changes in developmental programs that control body plans and organ shape. Such changes are thought to arise form alteration of the expression of functionally conserved developmental genes and their vast downstream networks. Although this hypothesis has a profound impact on the way we view animal evolution, final proof is still lacking. The hypothesis calls for evolution to take place mainly through modifications of cis-regulatory elements (CREs) controlling gene expression. However, these genomic regions are precisely those that we understand the least and, until recently, basic knowledge on how regulatory information is organized in the 3D genome or how to spatio-temporally assign CREs to their target genes was unknown. The advent of next generation sequencing-based tools has made possible to identify genome-wide CREs and reveal how they are organized in the 3D genome. But this new knowledge has been largely ignored by most hypotheses on the evolution of gene expression, development and animal morphology. These new high-throughput methods have been mainly restricted to selected model organisms, and due to the lack of sequence conservation of CREs across lineages, we still have very limited information about the impact of CREs on animal morphology evolution. By integrating in a systematic and phylogenetically driven manner the contribution of CREs and their 3D organization to animal morphology at different evolutionary scales, we will for the first time link evolution, regulatory information, genome 3D architecture and morphology. We will apply this strategy to study animal morphology along the evolution of deuterostome body plans, the generation of fin morphological diversity in vertebrates, and the recent phenotypic changes in fish adapted to cave environments. Our proposal will make ground-breaking advances in our understanding of the global principles underlying the evolution of cis-regulatory DNA and animal form. ver más
31/08/2021
2M€
Duración del proyecto: 49 meses Fecha Inicio: 2017-07-20
Fecha Fin: 2021-08-31

Línea de financiación: concedida

El organismo H2020 notifico la concesión del proyecto el día 2021-08-31
Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:
ERC-2016-ADG: ERC Advanced Grant
Cerrada hace 8 años
Presupuesto El presupuesto total del proyecto asciende a 2M€
Líder del proyecto
AGENCIA ESTATAL CONSEJO SUPERIOR DE INVESTIGA... Investigaciones agrarias
Perfil tecnológico TRL 2-3 552M