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Genomics and evolution of onychophoran development and slime

Project description

Decoding the genome of velvet worms

Understanding the diversity of life on Earth depends on decoding genomes across the animal tree. Velvet worms, or Onychophora, are a key missing group in this tree and constitute the closest living relatives of arthropods, which include insects and crustaceans. Despite their importance, their genetic makeup is poorly understood. With the support of the Marie Skłodowska-Curie Actions programme, the OnyGen project aims to generate a high-quality genome for the velvet worm species Euperipatoides rowelli and use advanced multi-omics approaches to study its biology. Researchers will investigate how its body plan evolved, how genes are organised, and how it produces its unique slime. The findings will shed light on evolution and inspire new biomedical and engineering applications.

Objective

The study of genomes from across the Animal Tree of Life (AToL) stimulates fundamental and applied research across biology, medicine, and engineering. Yet, we are still missing high-quality genome sequences for many branches of the AToL. Onychophora are one of these branches. Also called “velvet worms”, Onychophora are known for their habitat specificity, conserved morphology, and unique prey-capture slime. They are also the closest living relatives to arthropods, a group that is societally important as pollinators, sources of food, disease vectors, and agricultural pests. Due to advances in sequencing and computational abilities, we are in an era where genome sequencing is more accessible than ever. To fully understand the evolution of onychophoran novelties and the evolution of arthropods, it is imperative to obtain a high-quality genome for the emergent model species, Euperipatoides rowelli. Therefore, I propose to sequence a chromosome-level genome of E. rowelli and use a multi-omic approach to explore the origins of onychophoran and arthropod traits. I will determine the genetic and regulatory landscape of onychophoran development to understand the origins of their stable body plan and compare with the complexity of arthropods. By analyzing large-scale genome rearrangements, I will determine if the genes responsible for body patterning are grouped together. These gene clusters are conserved across many animals and likely play a role in the stability of the onychophoran body plan. I will use genome rearrangements as a novel data type to resolve contentious relationships among panarthropod groups. Finally, I will uncover how Onychophora produce their slime, a material with potential engineering and medical applications. By applying cutting-edge techniques to an understudied phylum of animals for the first time I will develop novel resources to facilitate further research into this little understood phylum and open the door for onychophoran genomics.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2025-PF

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Coordinator

UNIVERSITY COLLEGE LONDON
Net EU contribution
€ 260 347,92
Address
GOWER STREET
WC1E 6BT London
United Kingdom
Region
London Inner London — West Camden and City of London
Activity type
Higher or Secondary Education Establishments
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Total cost
No data