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Overview

Professor David Weinkove

Professor


Affiliations
Affiliation
Professor in the Department of Biosciences

Biography

David has over 25 years of experience addressing fundamental questions in biology such as how we age, and how we interact with bacteria, by using the the nematode worm Caenorhabditis elegans. This model system provides controlled conditions and large numbers of animals and is amenable to genetics, biochemistry and microscopy. The combination of these techniques in a whole organism is very powerful. David is also Chair of the British Society for Research on Ageing and Co-founder and Chief Scientific Officer of Magnitude Biosciences.

Bacteria and Ageing

Animals have co-evolved with microbes, so understanding these interactions is vital to understanding animal biology. The human gut microbiota is an area of intense study but it is difficult to study.

In the lab, C. elegans is cultured with the live bacteria Escherichia coli as a food source. We study both E. coli and C. elegans to understand this animal: microbe interaction.

Inhibiting folate synthesis in E. coli slows ageing in C. elegans. The levels of inhibition required to do not slowing the growth of the bacteria or the worm. Thus we propose that E. coli synthesises more folate than it needs for growth and this excess folate causes the bacteria to accelerate ageing of the animal.

We are testing this hypothesis, investigating molecular mechanisms and exploring whether folate-synthesising bacteria also accelerate human ageing.

Folic acid supplements

We have found that folic acid, the synthetic compound used to prevent folate deficiency is taken up by C. elegans via E. coli, in a pathway that relies on folic acid breakdown. We found that folic acid supplements contain breakdown products that would allow this path to be taken in humans. We still don't know the consequences for human health. Blog

Automated analysis of ageing

Together with Chris Saunter we have invented a way to automate measurements of healthspan in many large populations of worms simultaneously. We started a spinout company called Magnitude Biosciences to test drugs, supplements and other interventions to prolong healthspan.

Making therapeutic proteins

In another project, we are using C. elegans to make recombinant proteins from parasitic nematodes that could be used to treat diseases of the immune system such as asthma or rheumatoid arthritis. The intention is to enable translation to a therapy and reduce the use of lab rodents.

Current lab members (in order of appearance)

David Weinkove (LinkedIn,Twitter, Bluesky), How to pronounce Weinkove (courtesy of cousin Ben)

Adelaide Raimundo

Sushmita Maitra

Chad Yanyatan

Yinan Bu

Past lab members (other than 3rd year undergraduate project students)

Andrea Bender, Marjanne Bourgois, James Pauw, Nikolin Oberleitner, Gonçalo Correia, Natasha Chetina, Inna Feyst, Harry Blandy, Marta Cipinska, David Bradley, Shona Lee, Noel Helliwell, Jie JiaRazan Bakheet, Daniel Weintraub, Bhupinder Virk, Lucy Lancaster, Zoe Walmsley, Giulia Zavagno, Claire Maynard, Fiona Hair, Kasia Zmarzly, Craig Manning, James Groombridge, Giulia Zavagno, Hannah Raddings

Research interests

  • C. elegans
  • E. coli
  • Ageing
  • Host:microbe interactions
  • Microbial folates

Esteem Indicators

  • 2022: Chair of The British Society for Research on Ageing: Appointed Chair of The British Society for Research on Ageing

Publications

Chapter in book

  • Imaging Fluorescent Nuclear Pore Complex Proteins in C. elegans
    Lancaster, C., Zavagno, G., Groombridge, J., Raimundo, A., Weinkove, D., Hawkins, T., Robson, J., & Goldberg, M. W. (2022). Imaging Fluorescent Nuclear Pore Complex Proteins in C. elegans. In The Nuclear Pore Complex. https://doi.org/10.1007/978-1-0716-2337-4_24

Journal Article

Other (Print)

Supervision students