Claim · model-written summary
Inactive PSII centers with D1 awaiting degradation did not accumulate under low light.
- Taxon
- Pumpkine1
- Outcome
- inactive PSII centers with the D1 protein waiting to be degradede0
- Direction
- do not accumulatee0
- Qualifier
- At low lighte0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleTreatmentComparatorSettingValue
Verbatim
e0“At low light, photoinhibition occurs so slowly that inactive PSII centers with the D1 protein waiting to be degraded do not accumulate.”
e1“Pumpkin leaves grown under high light”
Title
E Tyystjärvi; E M Aro Proceedings of the National Academy of Sciences 1996. doi:10.1073/pnas.93.5.2213
Other claims from this paper (10)
- Intervention effect Illumination caused photoinhibition at every studied light intensity.
- Association Loss of PSII electron transfer activity correlated with declining fluorescence ratio.
- Association The photoinhibition rate constant was directly proportional to photon flux density.
- Observation The fluorescence ratio did not decrease under low light without lincomycin.
- Observation The fluorescence ratio did not decrease in darkness with lincomycin.
- Observation Quantum yield of photoinhibition remained constant across photon flux densities.
- Mechanism The authors infer one dominant in vivo photoinhibition mechanism across light intensities.
- Mechanism The authors consider the in vivo mechanism probably distinct from the anaerobic acceptor-side mechanism.
- Association Loss of PSII activity correlated strongly with D1 protein loss under low light.
- Mechanism D1 protein turnover was inferred to depend on photoinhibition at low and high light.