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German Biophysical Society Meeting 2022

The multidisciplinary international conference took place at the University of Konstanz from 25th to 28th September 2022, and included several topics in both experimental and theoretical biophysics such as membrane proteins, photobiophysics, molecular simulations, and more.

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The scientific contributions of the SFB 1078 at the Annual Meeting of the German Biophysical Society 2022 (DGfB 2022) comprised 16 posters and 4 talks given by Sarah M. Mäusle (project A4, S-state Transitions of Photosystem II from Spinach and T. elongatus – Insight by Time-Resolved Single- Frequency Infrared Spectroscopy), Jheng-Liang Chen (project B4, Revealing the mechanism of a light-driven inward proton pump, NsXeR, by site-directed mutagenesis and spectroscopic investigations), Florian Brünig (project C1, Spectral signatures of excess-proton waiting and transfer-path dynamics), and Jacek Kozuch (project B9, Nitrile infrared intensities characterize electric fields and hydrogen bonding in protic, aprotic, and protein environments).

16 posters presented the research of 9 different SFB1078 projects at the DGfB 2022. The detailed abstracts can be found here.

1. Investigation of proton motive force establishment from single cytochrome c oxidase enzymes using a fluorescence assay based on a voltage-sensitive protein

Jens Balke (A2; AG Alexiev, FUB)

2. Ultrafast Photoinduced Dissociation of Delphinidin-3-Rutinoside

Florian Bartonitz (B7; AG Heyne, FUB)

3. Proton channel communication in cytochrome c oxidase

Metehan Celebi (A2; AG Alexiev, FUB)

4. Investigating D1-Glu189 variants of Photosystem II by time-resolved O2-polarography

Kalman Christer (A4; AG Dau/Nürnberg, FUB)

5. Tracking water oxidation through time-resolved FTIR Spectroscopy

Paul Greife (A4; AG Dau, FUB)

6. The photoreaction of the proton-pumping rhodopsin 1 from the maize pathogenic Basidiomycete Ustilago maydis

Mariafrancesca La Greca (B4; AG Schlesinger, FUB)

7. Proton collecting antenna residues at the K-channel entrance of the redox-coupled proton pump cytochrome c oxidase

Victor Manuel Loyo Cruz (A2; AG Alexiev, FUB)

8. Ultrafast Protein response of Bacteriorhodopsin

Clark Zahn (B7; AG Heyne, FUB)

9. Investigation of conformational changes at the K-channel entrance of cytochrome c oxidase using the fluorescent molecular rotor Sulfo-Cy3-maleimide and site-directed labeling

Jacqueline Gottwald (A2; AG Alexiev, FUB)

10. A vibrational spectroscopic Approach to elucidate the molecular Mechanism behind the Channel Activity of Viroporins

Ronja Paschke (B9; AG Kozuch, FUB)

11. Investigation of the influence of lipid bilayer lateral pressure on Bacteriorhodopsin functionality

Raiza Maja (B3, AG Heberle, FUB)

12. Investigations into Single Transduction Mechanism in Phytochromes

Oanh Tu Hoang (C2, AG Mroginski, TUB)

13. Constant pH Simulations of the Proton Exit Channel in P. Denitrificans Cytochrome c Oxidase

Jesse William Jones (C2, AG Mroginski, TUB)

14. Investigation of Ion Permeations through CNGA1 Channels by Molecular Dynamics Simulations

Haoran Liu (C8, AG Sun, FMP)

15. FTIR spectroscopy on the carbonyl region of variations of photosystem I isolated from cyanobacteria

Viktor Eichmann (A4; AG Dau/Nürnberg, FUB)

16. In-cell Infrared Difference Spectroscopy on the Bacterial Chloride Pump NmHR

Sabine Oldemeyer (B3, AG Heberle, FUB)