Photosynthetica

, Volume 51, Issue 3, pp 477–480 | Cite as

Assessment of energy partitioning in PSII complexes using chlorophyll fluorescence: reviewing the different approaches toward the definition of a unified method

Brief Communication

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.

Additional key words

chlorophyll fluorescence energy partitioning photosystem II 

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

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References

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Copyright information

© Springer Science+Business Media Dordrecht 2013

Authors and Affiliations

  • D. Kornyeyev
    • 1
  • C. R. Guadagno
    • 2
    • 3
  • N. D’Ambrosio
    • 2
  1. 1.Institute of Plant Physiology and GeneticsKyivUkraine
  2. 2.Department of Biology, University of Naples Federico IIComplesso Universitario Monte S. AngeloNaplesItaly
  3. 3.Department of BotanyUniversity of WyomingLaramieUSA

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