Abstract
Based on the examination and quantitative comparison of the approaches used to assess the energy partitioning in photosystem II, the unified method was proposed to calculate the contribution of the components of nonphotochemical quenching.
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Abbreviations
- Fm, Fm′, and Fm″:
-
maximum chlorophyll fluorescence levels of a dark-acclimated leaf, of a light-acclimated leaf, and of a leaf during the dark relaxation after an actinic light treatment, respectively
- Fo, Fo′, and Fo″:
-
minimum chlorophyll fluorescence levels of a dark-acclimated leaf, of a light-acclimated leaf, and of a leaf during the dark relaxation after an actinic light treatment, respectively
- NPQ:
-
nonphotochemical quenching
- PSII:
-
photosystem II
- qE :
-
ΔpH-dependent or energy-dependent quenching
- qI :
-
quenching induced by PSII photodamage
- qT :
-
state transition quenching
- QY:
-
quantum yield
- ΦC, F :
-
combined quantum yield of chlorophyll a fluorescence and constitutive dissipation
- ΦE :
-
quantum yield of qE component of NPQ quenching
- ΦI :
-
quantum yield of qI component of NPQ
- ΦNPQ :
-
quantum yield of nonphotochemical quenching
- ΦT :
-
quantum yield of qT component of NPQ quenching
References
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Kornyeyev, D., Guadagno, C.R. & D’Ambrosio, N. Assessment of energy partitioning in PSII complexes using chlorophyll fluorescence: reviewing the different approaches toward the definition of a unified method. Photosynthetica 51, 477–480 (2013). https://doi.org/10.1007/s11099-013-0027-0
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DOI: https://doi.org/10.1007/s11099-013-0027-0