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News

09 October 2026

My preprint on the adaptive motility of predatory protists is available on BioRxiv! We show that typical excavates adopt distinct survival strategies to face starvation.

Angéline wins 'Best poster' award!

17 July 2026

In Cargèse, Angéline was awarded the 'Best poster' prize at the "Active, Adaptive and Autonomous Matter" summer school. Congratulations for this great poster!

Victoria Nicolazo-Crach - Visiting PhD student

01 July 2026

Victoria Nicolazo-Crach, PhD student in Université Paris-Saclay, joined us for a couple of months in June/July 2026 thanks to a Visiting PhD Fellowship. It was great hosting you in Exeter, good luck for the end of your PhD!

19 May 2026

Adam Gargasson's article on the chemotaxis of E. coli in fluid and on surfaces is accepted in Lab on a Chip. Happy to have contributed to this nice project!

27 February 2026

Our article on the collective transport of large particles with microalgae is now published in Small! Jointly carried out with Taha Laroussi in LadHyX, this work shows some promising insights for depollution using microorganisms.

26 November 2025

Our article on the erosion-based homogenisation of microfluidic networks is now out in Physical Review X! It was the fruit of a great collaboration with Swarnavo Basu from Karen Alim's group in Munich, while I was working in LadHyX with Gabriel Amselem.

Angéline Girard joins us for a PhD!

3rd November 2025

Angéline Girard is starting her PhD in Exeter, after being awarded a joint studentship between the University of Exeter and Université Paris-Saclay. She will work on the motility of excavates in complex environments. Happy to be her co-supervisor alongside Kirsty Wan in LSI and Harold Auradou in FAST!

New postdoctoral position in Exeter!

4th November 2024

I am delighted to join Kirsty Wan's group in the Living Systems Institute in Exeter, in the South-West of the UK! I will be investigating the behaviour of unicellular eukaryotes such as excavates and diatoms.

Research interests

Coming from a physics/fluid dynamics background, I now work at the interface with biology by studying the behaviour of different microorganisms. I am particularly interested in the ecological importance of their motility, for instance in symbiotic, predatory or pathogenic interactions; as well as the impact of human activities (global warming, pollution) on these microbial ecosystems. Over the years, I have acquired a strong interdisciplinary expertise by collaborating closely with biologists and analysing the complex behaviour of very diverse organisms (soil bacteria, swimming microalgae, predatory protists, gliding diatoms etc.).

About me

Currently a Postdoctoral Research Fellow in the Living Systems Institute (University of Exeter, United Kingdom) with Kirsty Wan, I am studying the behaviour of unicellular eukaryotes:
- the adaptive motility and feeding strategies of excavates (heterotrophic flagellates);
- the light responses of gliding diatoms (microalgae).


During my previous postdoc
in LadHyX (École polytechnique, France) with Gabriel Amselem, I worked on two small-scale fluid dynamics projects:

- Erosion of microfluidic channels to homogenise flows;
- Transport of large passive particles by swimming microalgae.

My PhD in FAST (Université Paris-Saclay, France), supervised by Harold Auradou and Frédéric Moisy, was on the dynamics of bacterial suspensions.

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