at Google ScholarTitle data
Schörner, Mario ; Beyer, Sebastian R. ; Southall, June ; Cogdell, Richard J. ; Köhler, Jürgen:
Multi-Level, Multi Time-Scale Fluorescence Intermittency of Photosynthetic LH2 Complexes : A Precursor of Non-Photochemical Quenching?
In: The Journal of Physical Chemistry B.
Vol. 119
(2015)
Issue 44
.
- pp. 13958-13963.
ISSN 1520-5207
DOI: https://doi.org/10.1021/acs.jpcb.5b06979
Abstract in another language
The light harvesting complex LH2 is a chromoprotein that is an ideal system for studying protein dynamics via the spectral fluctuations of the emission of its intrinsic chromophores. We have immobilized these complexes in a polymer film and studied the fluctuations of the fluorescence intensity from individual complexes over 9 orders of magnitude in time. Combining time-tagged detection of single photons with a change-point analysis has allowed the unambigeous identification of the various intensity levels due to the huge statistical basis of the data set. We propose that the observed intensity level fluctuations reflect conformational changes of the protein backbone that might be a precursor of the mechanism from which nonphotochemical quenching of higher plants has evolved.
Further data
| Item Type: | Article in a journal |
|---|---|
| Refereed: | Yes |
| Institutions of the University: | Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics IX - Spectroscopy of Soft Matter > Chair Experimental Physics IX - Spectroscopy of Soft Matter - Univ.-Prof. Dr. Jürgen Köhler Faculties Faculties > Faculty of Mathematics, Physics und Computer Science Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics IX - Spectroscopy of Soft Matter |
| Result of work at the UBT: | Yes |
| DDC Subjects: | 500 Science > 530 Physics |
| Date Deposited: | 10 Apr 2018 11:49 |
| Last Modified: | 11 Jan 2023 11:11 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/43400 |