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Membrane protein damage and repair: removal and replacement of inactivated 32-kilodalton polypeptides in chloroplast membranes.
Open accessAbstract
Incubation of Chlamydomonas reinhardii cells at light levels that are several times more intense than those at which the cells were grown results in a loss of photosystem II function (termed photoinhibition). The loss of activity corresponded to the disappearance from the chloroplast membranes of a lysine-deficient, herbicide-binding protein of 32,000 daltons which is thought to be the apoprotein of the secondary quinone electron acceptor of photosystem II (the QB protein). In vivo recovery from the damage only occurred following de novo synthesis (replacement) of the chloroplast-encoded QB protein. We believe that the turnover of this protein is a normal consequence of its enzymatic function in vivo and is a physiological process that is necessary to maintain the photosynthetic integrity of the thylakoid membrane. Photoinhibition occurs when the rate of inactivation and subsequent removal exceeds the rate of resynthesis of the QB protein.
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Citations
Cited by
The Microbial Engines That Drive Earth's Biogeochemical Cycles
Falkowski, P. G., Fenchel, T., & Delong, E. F. (2008) · Science · doi:10.1126/science.1153213 · Cited by 3,379
Photoinhibition of Photosystem II. Inactivation, protein damage and turnover
Aro, E.-M., Virgin, I., & Andersson, B. (1993) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/0005-2728(93)90134-2 · Cited by 2,366
Photosynthesis: response to high temperature stress.
Mathur, S., Agrawal, D., & Jajoo, A. (2014) · Journal of Photochemistry and Photobiology B: Biology · doi:10.1016/j.jphotobiol.2014.01.010 · Cited by 879
The photoprotective molecular switch in the photosystem II antenna
Ruban, A. V., Johnson, M. P., & Duffy, C. D. P. (2012) · Biochimica et Biophysica Acta (BBA) - Bioenergetics · doi:10.1016/j.bbabio.2011.04.007 · Cited by 750
Greer, D. H., Berry, J. A., & Björkman, O. (1986) · Planta · doi:10.1007/bf00402971 · Cited by 347
Metadata
- Authors
- Ohad, I., Kyle, D. J., & Arntzen, C. J.
- Venue
- The Journal of cell biology
- Publisher
- Rockefeller University Press
- Published
- 1984-08-01
- Volume
- 99
- Issue
- 2
- Pages
- 481-485
- ISSN
- 0021-9525 (ISSN-L)
- 1540-8140
- OpenAlex
- W2093861840
- Cited by
- 481
- References
- 0
- FWCI
- 5.45
- Type
- journal article
- Language
- en
- Open access
- green
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- Ohad, I., Kyle, D. J., & Arntzen, C. J. (1984). Membrane protein damage and repair: removal and replacement of inactivated 32-kilodalton polypeptides in chloroplast membranes. The Journal of cell biology. https://doi.org/10.1083/jcb.99.2.481
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
