Project description
Uncovering the secrets of wild reproductive microbiomes
Recent advances in microbiome science have shifted our view from seeing microbes merely as disease-causing agents to recognising their essential roles in health and biology. Despite this, the reproductive microbiome, especially in wild animals, remains largely unexplored. Understanding these microbiomes is crucial, as they may impact host fitness and evolutionary processes. To fill this gap, the ERC-funded EvolSWARM project will study the reproductive microbiome in wild house sparrows. This project will assess how these microbiomes affect reproductive success and fitness, using innovative microbiome transplant techniques to manipulate and analyse natural microbiomes. By examining the genetic and immune factors shaping these microbiomes, EvolSWARM seeks to unveil their evolutionary significance and influence on host biology.
Objective
Our view of microbes has recently undergone a paradigm shift (the so-called microbiome revolution). Previously seen as unwanted harbingers of disease, it is now widely recognised that microbes can be beneficial and that the millions of microbes living in and on the bodies of animals and plants (i.e. the microbiome) can have profound effects on host biology. However, with the exception of the human vaginal microbiome, the microbiome revolution has largely overlooked the reproductive microbiome. This is especially true for wild animals. Yet, if we are to understand the evolutionary significance of host-associated microbiomes it is critical to study them in natural populations, where hosts exhibit greater genetic variability and are exposed to greater levels of environmental and microbial complexity.
The aim of this proposal is to determine whether reproductive microbiomes impact host fitness and evolution in wild animals, and reveal the role of host genetics and immune functioning in shaping reproductive microbiome variability. I will leverage a unique wild system the house sparrow that can be studied in natural populations and in the lab, and for which I have recently pioneered the use of microbiome transplant techniques that allows me to disassemble and reconstitute natural microbiomes of nestlings.
First, I will determine the fitness consequences and heritability of reproductive microbiomes in a wild population. Second, I will validate the impact of reproductive microbiome variability for reproductive success using novel in vivo microbiome transplants. Third, I will uncover the genetic basis of reproductive microbiome variation. Fourth, I will establish whether host immune functioning shapes reproductive microbiome composition. Altogether, I will significantly advance our understanding of the causes and more importantly the consequences of reproductive microbiomes for host biology and evolution.
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 genetics
- natural sciences biological sciences evolutionary biology
- natural sciences biological sciences ecology evolutionary ecology
- natural sciences biological sciences microbiology
- natural sciences biological sciences reproductive biology
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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.
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HORIZON.1.1 - European Research Council (ERC)
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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.
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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.
HORIZON-ERC - HORIZON ERC Grants
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) ERC-2023-COG
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1011 JV AMSTERDAM
Netherlands
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