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Julian Bär

As seen in: Nature, PLOS ONE, Science Magazine, Springer Professional
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Articles

Staphylococcus aureus agr-type vs genetic background: molecular signatures determining differential metabolism and virulence potential

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By Mariane Pivard, Julian Bär, Tomas Demeter
| PLOS ONE
Loading metrics Open Access Peer-reviewed Research Article Citation: Pivard M, Bär J, Demeter T, Mairpady Shambat S, Zinkernagel AS (2026) Staphylococcus aureus agr-type vs genetic background: molecular signatures determining differential metabolism and virulence potential. PLoS One 21(6): e0350108.
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Single-cell approach dissecting agr quorum sensing dynamics in Staphylococcus aureus

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By Julian Bär, Samuel Charlton, Andrew G. Kempchinsky, Alejandro Gómez-Mejia, Giovanni Stefano Ugolini, Srikanth Mairpady Shambat, Eleonora Secchi, Annelies S. Zinkernagel, Mariane Pivard
| Nature Verified
Abstract Quorum sensing (QS) enables bacteria to coordinate collective behaviors by secreting and sensing diffusible signals. Understanding QS at single-cell resolution is essential because population-level measurements often obscure regulatory heterogeneity. In Staphylococcus aureus, the accessory gene regulator (agr) system is a major QS-controlled virulence regulator activated by autoinducing peptides (AIPs).
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Coherence transfer from optically induced THz magnons to charges - Nature Communications

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By Julian Bär, Takuya Satoh, Götz S. Uhrig, Volker Wiechert
| Nature Verified
Abstract The digital economy, society and politics are increasingly shaped by cloud-based data. The advancement of transformative technologies, such as artificial intelligence, is placing unprecedented demands on data centres. This has driven an intense pursuit of a concept for data storage, manipulation and transfer able to operate even at THz rates while minimizing energy dissipation. Collective spin excitations, namely magnons, have been proposed as energy-efficient information carriers.
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