Skip to main content
Go to the home page of the European Commission (opens in new window)
English en
CORDIS - EU research results
CORDIS

Drivers and consequences of host microbiome control

Project description

Frogs can teach us to harness the microbiome for health

The skin is home to microbes that can protect against infection. But how do hosts control which microbes stay and which are kept out? The ERC-funded FROGMICRO project aims to answer this by studying frogs, whose skin microbiome can help them fight the deadly chytrid fungus that has wiped out amphibian populations worldwide. Using the common midwife toad as a model, researchers will explore how immune systems guide beneficial microbes, how these microbes adapt and whether host control can be used to create natural, transmissible microbial therapies. Combining genomics, glycomics, proteomics, AI and fieldwork, FROGMICRO could reveal new ways to engineer healthy microbiomes.

Objective

The epithelial surfaces of animals harbour symbiont communities that influence the health of their hosts, including defending against pathogens. Whilst microbiome effects on host biology have been extensively studied, much less is known about how hosts regulate their microbiomes to ensure that they are pThe epithelial surfaces of animals harbour symbiont communities that influence the health of their hosts, including defending against pathogens. Whilst microbiome effects on host biology have been extensively studied, much less is known about how hosts regulate their microbiomes to ensure that they are populated by beneficial rather than harmful symbionts. The study of host control is critical for both understanding how microbiomes function and for the development of targeted therapies. To meet this need, I will develop an amphibian skin model to ask three key questions exploring host control across major life-stages: 1) How does host control promote symbiont colonization? 2) How does host immune policing and symbiont counter-adaptation shape the microbiome? 3) Can host control be exploited to select transmissible protective microbial therapies? I will examine these questions using the deadly chytrid fungus, Batrachochytrium dendrobatidis (Bd) that is devastating amphibian populations worldwide, and the highly susceptible common midwife toad (Alytes obstetricans), which can be defended by its dermal symbionts. The project has risks, with microbial communities being ecologically complex and fundamental aspects of host biology that are relevant to symbiont control not fully understood. To overcome these challenges, I will apply a combination of novel approaches in glycobiology, proteomics, competition experiments, genomics, in vivo experimentation, AI computer vision and field work. By identifying the major drivers of host control, this project promises to transform our ability to predict microbial community assembly and develop protective symbiont therapies.

Fields of science (EuroSciVoc)

Programme(s)

Topic(s)

Funding Scheme

HORIZON-ERC - HORIZON ERC Grants

See all projects funded under this funding scheme

Call for proposal

(opens in new window) ERC-2025-STG

See all projects funded under this call

Host institution

QUEEN MARY UNIVERSITY OF LONDON
Net EU contribution
€ 1 499 751,00
Address
327 MILE END ROAD
E1 4NS LONDON
United Kingdom
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 1 499 751,00

Beneficiaries (1)