Project description
Investigating the molecular mechanisms of structural colouration in birds
The ornamental eyespots on the peacock’s tail are examples of structural colouration, which is responsible for some of the most extraordinary visual effects. The structural colours of bird feathers are generated by a combination of pigments and the precise arrangement of nanostructures interacting chemically and physically. However, existing studies focus on the optical and physical aspects of this phenomenon; the underlying molecular mechanisms remain unexplored. The EU-funded EYESPOT project will decipher the genetic and cellular basis of structural colouration by exploiting the exceptional diversity of peacock colour mutations that resulted from captive breeding and exploring wild species that display this phenomenon. The project will integrate techniques and expertise in genetics and genomics, cell and molecular biology, and photonics.
Objective
Structural colouration is widespread in nature and generates some of the most stunning visual effects known (e.g. eyespots in a peacock tail). In bird feathers, structural colours are produced by the combination of pigments and precise arrangements of nanostructures that interact both chemically and physically. Currently, almost all published studies on structural colour have focused on the optical and physical aspects of this phenomenon, while the underlying molecular mechanisms remain almost totally unexplored. This proposal seeks to decipher the genetic and cellular basis of structural colours by: 1) exploiting the extraordinary diversity of peacock colour mutants that have emerged from captive breeding, and 2) investigating wild bird species that exhibit structural colouration. My proposal is divided across four multidisciplinary aims that integrate techniques and expertise in the fields of genetics and genomics, cell and molecular biology, and photonics. Aim 1 will elucidate the nanoarchitectural basis of aberrant feather colouration in multiple Mendelian peacock mutants by combining microscopy, spectrophotometry, and chemical analysis of pigment content. Aim 2 will theoretically and experimentally model how abnormalities in the architecture of the photonic lattice result in aberrant light-scattering in these mutants. Aim 3 will combine genetic mapping together with molecular and functional genomic tools for experimental validation and identification of genes controlling the peacock colour phenotypes. Aim 4 will refine our understanding of the evolution of this trait in nature by combining transcriptomic and epigenomic data generated from wild bird species with comparative genomics across the entire avian phylogeny using publicly available genomes. Overall, these studies will significantly expand our understanding of the mechanics and molecular changes underlying a spectacular trait that constitutes a major component of bird phenotypic diversity.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences biological sciences biological morphology comparative morphology
- engineering and technology materials engineering colors
- natural sciences physical sciences optics microscopy
- natural sciences biological sciences genetics genomes
You need to log in or register to use this function
We are sorry... an unexpected error occurred during execution.
You need to be authenticated. Your session might have expired.
Thank you for your feedback. You will soon receive an email to confirm the submission. If you have selected to be notified about the reporting status, you will also be contacted when the reporting status will change.
Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
-
H2020-EU.1.1. - EXCELLENT SCIENCE - European Research Council (ERC)
MAIN PROGRAMME
See all projects funded under this programme
Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
ERC-COG - Consolidator Grant
See all projects funded under this funding scheme
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2020-COG
See all projects funded under this callHost institution
Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
4485-661 Crasto
Portugal
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.