Environmental and Evolutionary Microbiology Group
Prof. Jan Roelof van der Meer
Department of Fundamental Microbiology / University of Lausanne
Environmental and Evolutionary Microbiology

My primary interest is the environment, the quality of our living resources and the ways that bacteria can help to manage and degrade human wastes and restore environmental health. Consequently, I am very interested in genetic adaptation processes in bacteria, the mechanisms by which they deal with toxic substances, how they react to pollution in general and how we can apply microbial processes in a useful way (like bacterial bioreporters, bioremediation, microbiome engineering).

February 09 2021

Congratulations to Birge for her new publication fresh in mSystems! Very well done! Community analysis and biodegradation deduced from flow cytometry machine-learned data.

January 26 2021

We are very happy to welcome Helena Todorov as new postdoc in the group. Helena will be working on recognition of cell images in microbial communities.

January 26 2021

Congratulations to Diogo, for successfully passing his PhD exam last Friday January 22! An excellent finish of his research on new RbsB variants as possible sensory proteins in bacterial bioreporters. All the best for your future career, Diogo!

September 07 2020

Congratulations to Nico, Vladimir, Lenka and Claire, for their new publication on the genome of Pseudomonas nitroreducens, the first bacterium to degrade 2-hydroxybiphenyl! In contrast to previous reports, we find that the P. nitroreducens genome has three replicons and two new exciting ICEs.

August 13 2020

Congratulations to Nico, Xavier, Sandra, François and Christian for our new publication in eLife, which describes the way how ICE bistability is regulated! Wonderful achievement!

Pass it on!

See more

Jan Roelof van der Meer

Group leader

Nicolas Carraro


Andrea Daveri

PhD student

Roxane Moritz

PhD Student

Xavier Richard

shared PhD student with Christian Mazza

Vladimir Sentchilo

Senior scientist

Senka Causevic

PhD student

Maxime Batsch

PhD Student

Gaïtan Géhin

PhD student shared with Jasqueline Peña

Isaline Guex

PhD student shared with Christian Mazza

Tania Miguel Trabajo

PhD student

Helena Todorov


Preeti Tiwari

Technical assistant
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Jan Roelof van der Meer

See Jan van der Meer live at the 'Night of the Microbes' of the ISME meeting 2018. Lecture: Jan van der Meer's video talk called

Synthetic Biology: Principles and Applications is available on at


Latest publications

Miniaturized electrochemical biosensor based on whole-cell for heavy metal ions detection in water.

Sciuto EL, Petralia S, van der Meer JR, Conoci S.

Biotechnol Bioeng. 2021 Apr. 10.1002/bit.27646

Predicting spatial patterns of soil bacteria under current and future environmental conditions.

Mod HK, Buri A, Yashiro E, Guex N, Malard L, Pinto-Figueroa E, Pagni M, Niculita-Hirzel H, van der Meer JR, Guisan A.

ISME J. 2021 Mar 12. 10.1038/s41396-021-00947-5

Assessing Biodegradability of Chemical Compounds from Microbial Community Growth Using Flow Cytometry.

Özel Duygan BD, Rey S, Leocata S, Baroux L, Seyfried M, van der Meer JR.

mSystems. 2021 Feb 9. 10.1128/mSystems.01143-20

Greater topoclimatic control of above- versus below-ground communities.

Mod HK, Scherrer D, Di Cola V, Broennimann O, Blandenier Q, Breiner FT, Buri A, Goudet J, Guex N, Lara E, Mitchell EAD, Niculita-Hirzel H, Pagni M, Pellissier L, Pinto-Figueroa E, Sanders IR, Schmidt BR, Seppey CVW, Singer D, Ursenbacher S, Yashiro E, van der Meer JR, Guisan A.

Glob Chang Biol. 2020 Dec. 10.1111/gcb.15330


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