Abstract
Many biological membranes adapt in response to environmental conditions. We investigated how the composition and architecture of photosynthetic membranes of a bacterium change in response to light, using atomic force microscopy. Despite large modifications in the membrane composition, the local environment of core complexes remained unaltered, whereas specialized paracrystalline light-harvesting antenna domains grew under low-light conditions. Thus, the protein mixture in the membrane shows eutectic behavior and can be mimicked by a simple model. Such structural adaptation ensures efficient photon capture under low-light conditions and prevents photodamage under high-light conditions.
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Dates
Type | When |
---|---|
Created | 20 years, 1 month ago (July 14, 2005, 6:03 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 9, 2024, 9:40 p.m.) |
Indexed | 1 month ago (July 30, 2025, 10:35 a.m.) |
Issued | 20 years, 1 month ago (July 15, 2005) |
Published | 20 years, 1 month ago (July 15, 2005) |
Published Print | 20 years, 1 month ago (July 15, 2005) |
@article{Scheuring_2005, title={Chromatic Adaptation of Photosynthetic Membranes}, volume={309}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1110879}, DOI={10.1126/science.1110879}, number={5733}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Scheuring, Simon and Sturgis, James N.}, year={2005}, month=jul, pages={484–487} }