Published in Proc Natl Acad Sci U S A on August 15, 1993
Frequently asked questions about in vivo chlorophyll fluorescence: practical issues. Photosynth Res (2014) 1.25
An evaluation of the potential triggers of photoinactivation of photosystem II in the context of a Stern-Volmer model for downregulation and the reversible radical pair equilibrium model. Philos Trans R Soc Lond B Biol Sci (2000) 0.91
Evidence for intermediate S-states as initial phase in the process of oxygen-evolving complex oxidation. Biophys J (2008) 0.85
Thylakoid membrane maturation and PSII activation are linked in greening Synechocystis sp. PCC 6803 cells. Plant Physiol (2013) 0.81
Alteration of photosystem II properties with non-photochemical excitation quenching. Philos Trans R Soc Lond B Biol Sci (2000) 0.75
Cooperation of charges in photosynthetic O2 evolution-I. A linear four step mechanism. Photochem Photobiol (1970) 7.22
Light-induced fluorescence changes in Chlorella, and the primary photoreactions for the production of oxygen. Proc Natl Acad Sci U S A (1972) 2.14
Determination of the primary charge separation rate in isolated photosystem II reaction centers with 500-fs time resolution. Proc Natl Acad Sci U S A (1989) 1.55
On the primary nature of fluorescence yield changes associated with photosynthesis. Proc Natl Acad Sci U S A (1972) 1.40
Binary oscillations in the rate of reoxidation of the primary acceptor of photosystem II. Biochim Biophys Acta (1980) 1.17
Chlorophyll a fluorescence as a monitor of nanosecond reduction of the photooxidized primary donor P-680 Of photosystem II. Biochim Biophys Acta (1979) 1.04
Transfer and trapping of excitation energy in photosystem II as studied by chlorophyll alpha 2 fluorescence quenching by dinitrobenzene and carotenoid triplet. The matrix model. Biochim Biophys Acta (1980) 0.96
Rapid fluorescence changes observed in chloroplasts: their relationship to the O2 evolving system. Biochim Biophys Acta (1973) 0.94
Effects of Cations and Abscisic Acid on Chlorophyll a Fluorescence in Guard Cells of Vicia faba. Plant Physiol (1982) 2.38
Xanthophyll cycle-dependent quenching of photosystem II chlorophyll a fluorescence: formation of a quenching complex with a short fluorescence lifetime. Proc Natl Acad Sci U S A (1995) 1.93
Conformation and activity of chloroplast coupling factor exposed to low chemical potential of water in cells. Biochim Biophys Acta (1979) 1.92
On the relation between the Kautsky effect (chlorophyll a fluorescence induction) and Photosystem II: basics and applications of the OJIP fluorescence transient. J Photochem Photobiol B (2011) 1.86
Structure of the red fluorescence band in chloroplasts. J Gen Physiol (1966) 1.77
Chlorophyll a fluorescence transient as an indicator of active and inactive Photosystem II in thylakoid membranes. Biochim Biophys Acta (1990) 1.66
Transfer of the excitation energy in Anacystis nidulans grown to obtain different pigment ratios. Biophys J (1966) 1.63
Some plant leaves have orientation-dependent EPR and NMR spectra. Proc Natl Acad Sci U S A (1984) 1.60
Determination of the primary charge separation rate in isolated photosystem II reaction centers with 500-fs time resolution. Proc Natl Acad Sci U S A (1989) 1.55
The electron donor side of photosystem II: the oxygen evolving complex. Photochem Photobiol (1985) 1.50
Light-induced changes in the fluorescence yield of chlorophyll A in vivo. 3. The dip and the peak in the fluorescence transient of Chlorella pyrenoidosa. Biophys J (1969) 1.43
The polyphosphate bodies of Chlamydomonas reinhardtii possess a proton-pumping pyrophosphatase and are similar to acidocalcisomes. J Biol Chem (2001) 1.41
Relationship between the Absorption and Emission Spectra and the "Red Drop" in the Action Spectra of Fluorescence In Vivo. Biophys J (1967) 1.40
Existence of Absorption Bands at 730-740 and 750-760 Millimicrons in Algae of Different Divisions. Science (1961) 1.37
Bicarbonate effects on the electron flow in isolated broken chloroplasts. Biochim Biophys Acta (1978) 1.36
Molecular mechanism of water oxidation in photosynthesis based on the functioning of manganese in two different environments. Proc Natl Acad Sci U S A (1985) 1.33
Inhibition of Photosynthesis in Some Algae by Extreme-Red Light. Science (1960) 1.31
FLUORESCENCE CHANGES IN PORPHYRIDIUM EXPOSED TO GREEN LIGHT OF DIFFERENT INTENSITY: A NEW EMISSION BAND AT 693 mmu AND ITS SIGNIFICANCE TO PHOTOSYNTHESIS. Proc Natl Acad Sci U S A (1964) 1.29
Bicarbonate ion as a critical factor in photosynthetic oxygen evolution. Plant Physiol (1973) 1.28
Action Spectrum of the "Second Emerson Effect". Biophys J (1960) 1.27
Inhibition of Photosynthesis in Certain Algae by Extreme Red Light. Biophys J (1960) 1.22
Proton relaxation and charge accumulation during oxygen evolution in photosynthesis. Proc Natl Acad Sci U S A (1976) 1.21
Charge accumulation and photochemistry in leaves studied by thermoluminescence and delayed light emission. Proc Natl Acad Sci U S A (1984) 1.20
Kinetic models of oxygen evolution in photosynthesis. J Theor Biol (1972) 1.16
Chlorophyll a fluorescence induction: a personal perspective of the thermal phase, the J-I-P rise. Photosynth Res (2012) 1.15
Light-induced changes in the fluorescence yield of chlorophyll a in vivo. II. Chlorella pyrenoidosa. Biophys J (1968) 1.15
Nuclear magnetic relaxation by the manganese in aqueous suspensions of chloroplasts. Biochemistry (1978) 1.14
A viewpoint: why chlorophyll a? Photosynth Res (2009) 1.13
Photosynthetic responses of sun- and shade-grown barley leaves to high light: is the lower PSII connectivity in shade leaves associated with protection against excess of light? Photosynth Res (2014) 1.10
A major site of bicarbonate effect in system II reaction. Evidence from ESR signal IIvf, fast fluorescence yield changes and delayed light emission. Biochim Biophys Acta (1976) 1.10
Spectral signatures of photosynthesis. I. Review of Earth organisms. Astrobiology (2007) 1.08
A new site of bicarbonate effect in photosystem II of photosynthesis: evidence from chlorophyll fluorescence transients in spinach chloroplasts. Biochim Biophys Acta (1975) 1.08
Photosystem II fluorescence: slow changes--scaling from the past. J Photochem Photobiol B (2011) 1.08
Overexpression of gamma-tocopherol methyl transferase gene in transgenic Brassica juncea plants alleviates abiotic stress: physiological and chlorophyll a fluorescence measurements. Biochim Biophys Acta (2010) 1.07
Low-temperature (4-77 degrees K) spectroscopy of Anacystis: temperature dependence of energy transfer efficiency. Biochim Biophys Acta (1970) 1.07
Lifetime of the excited state in vivo. I. Chlorophyll a in algae, at room and at liquid nitrogen temperatures; rate constants of radiationless deactivation and trapping. Biophys J (1972) 1.02
Maximum quantum yield and action spectrum of photosynthesis and fluorescence in Chlorella. Biochim Biophys Acta (1968) 1.02
A long-wave absorbing form of chlorophyll a responsible for the "red drop" in fluorescence at 298 degrees K and the F723 band at 77 degrees K. Biochim Biophys Acta (1967) 1.02
Site of bicarbonate effect in Hill reaction. Evidence from the use of artificial electron acceptors and donors. Biochim Biophys Acta (1977) 1.00
Experimental in vivo measurements of light emission in plants: a perspective dedicated to David Walker. Photosynth Res (2012) 1.00
Thermoluminescence from the photosynthetic apparatus. Photosynth Res (1996) 0.98
Photosynthetic glow peaks and their relationship with the free energy changes. Photosynth Res (1990) 0.98
Bicarbonate, not CO2, is the species required for the stimulation of Photosystem II electron transport. Biochim Biophys Acta (1986) 0.97
Comparative time-resolved photosystem II chlorophyll a fluorescence analyses reveal distinctive differences between photoinhibitory reaction center damage and xanthophyll cycle-dependent energy dissipation. Photochem Photobiol (1996) 0.96
The slow S to M fluorescence rise in cyanobacteria is due to a state 2 to state 1 transition. Biochim Biophys Acta (2012) 0.95
Light-induced changes in the fluorescence yield of chlorophyll a in Anacystis nidulans. I. Relationship of slow fluorescence changes with structural changes. Biochim Biophys Acta (1973) 0.95
A Mutation in the D-de Loop of D1 Modifies the Stability of the S2QA- and S2QB- States in Photosystem II. Plant Physiol (1995) 0.95
Chlorophyll a fluorescence of Gonyaulax polyedra grown on a light-dark cycle and after transfer to constant light. Photochem Photobiol (1979) 0.93
Changes in intensity and spectral distribution of fluorescence. Effect of light treatment on normal and DCMU-poisoned Anacystis nidulans. Biophys J (1967) 0.93
Mutagenesis of the D-E loop of photosystem II reaction centre protein D1. Function and assembly of photosystem II. Plant Mol Biol (1997) 0.93
Fluorescence spectra of Chlorella in the 295-77 degree K range. Biochim Biophys Acta (1970) 0.93
Thermoluminescence and temperature effects on delayed light emission (corrected for changes in quantum yield of fluorescence) in DCMU-treated algae. Photochem Photobiol (1972) 0.92
Fluorescence studies with algae: changes with time and preillumination. Brookhaven Symp Biol (1966) 0.92
Aquafluo 2007: chlorophyll fluorescence in aquatic sciences, an international conference held in Nové Hrady. Photosynth Res (2007) 0.92
Light-induced changes in the fluorescence yield of chlorophyll a in vivo. I. Anacystis nidulans. Biophys J (1968) 0.92
Silicomolybdate and silicotungstate mediated dichlorophenyldimethylurea-insensitive photosystem II reaction: electron flow, chlorophyll a fluorescence and delayed light emission changes. Biochim Biophys Acta (1975) 0.92
Energetics of photosynthetic glow peaks. Proc Natl Acad Sci U S A (1983) 0.92
Effects of cadmium nitrate on spectral characteristics and light reactions of chloroplasts. Environ Lett (1974) 0.91
Spectral signatures of photosynthesis. II. Coevolution with other stars and the atmosphere on extrasolar worlds. Astrobiology (2007) 0.91
The effect of bicarbonate on photosynthetic oxygen evolution in flashing light in chloroplast fragments. Proc Natl Acad Sci U S A (1974) 0.91
Characteristics of Five New Photoautotrophic Suspension Cultures Including Two Amaranthus Species and a Cotton Strain Growing on Ambient CO(2) Levels. Plant Physiol (1988) 0.91
Femtosecond photodichroism studies of isolated photosystem II reaction centers. Proc Natl Acad Sci U S A (1994) 0.90
Spectral characteristic of fluorescence induction in a model cyanobacterium, Synechococcus sp. (PCC 7942). Biochim Biophys Acta (2009) 0.90
The molecular mechanism of the bicarbonate effect at the plastoquinone reductase site of photosynthesis. Photosynth Res (1988) 0.89
Absorption and fluorescence spectra of spinach chloroplast fractions obtained by solvent extraction. Biochim Biophys Acta (1966) 0.89
International conference on "photosynthesis research for sustainability-2011", July 24-30, 2011, Baku, Azerbaijan. Photosynth Res (2011) 0.89
International conference on "Photosynthesis research for sustainability-2013: in honor of Jalal A. Aliyev", held during June 5-9, 2013, Baku, Azerbaijan. Photosynth Res (2013) 0.88
Light-induced slow changes in chlorophyll a fluorescence in isolated chloroplasts: effects of magnesium and phenazine methosulfate. Biochim Biophys Acta (1973) 0.88
Modeling of the D1/D2 proteins and cofactors of the photosystem II reaction center: implications for herbicide and bicarbonate binding. Protein Sci (1996) 0.88
Time-dependent quenching of chlorophyll a fluorescence from (pigment) system II by (pigment) system I of photosynthesis in Chlorella. Biochim Biophys Acta (1970) 0.88
Primary electron transfer processes in photosynthetic reaction centers from oxygenic organisms. Photosynth Res (2015) 0.87
International conference on "Photosynthesis Research for Sustainability-2014: in honor of Vladimir A. Shuvalov", held on June 2-7, 2014, in Pushchino, Russia. Photosynth Res (2014) 0.87
Effects of lead chloride on chloroplast reactions. Environ Lett (1974) 0.87
Action of hydroxylamine in the red alga Porphyridium cruentum. Biochim Biophys Acta (1971) 0.86
Antagonistic effect of mono- and divalent-cations on lifetime (tau) and quantum yield of fluorescence (phi) in isolated chloroplasts. FEBS Lett (1977) 0.86
Fluorescence lifetime imaging microscopy of Chlamydomonas reinhardtii: non-photochemical quenching mutants and the effect of photosynthetic inhibitors on the slow chlorophyll fluorescence transient. J Microsc (2007) 0.85
Influence of carbon dioxide concentration during growth on fluorescence induction characteristics of the Green Alga Chlamydomonas reinhardii. Photosynth Res (1984) 0.85
Oxygen evolving complex in photosystem II: better than excellent. Dalton Trans (2011) 0.84
Photosystem II and the unique role of bicarbonate: a historical perspective. Biochim Biophys Acta (2012) 0.84
Photochemical properties of mesophyll and bundle sheath chloroplasts of maize. Plant Physiol (1973) 0.84
Effects of sodium and magnesium cations on the "dark-" and light-induced chlorophyll a fluorescence yields in sucrose-washed spinach chloroplasts. Biochim Biophys Acta (1975) 0.84
Light intensity-dependent modulation of chlorophyll b biosynthesis and photosynthesis by overexpression of chlorophyllide a oxygenase in tobacco. Plant Physiol (2012) 0.84
Emerson Enhancement Effect in Chloroplast Reactions. Plant Physiol (1964) 0.83
The active chlorophyll a ii in suspensions of lyophilized and tris-washed chloroplasts. Biochim Biophys Acta (1970) 0.83
Absence of a bicarbonate-depletion effect in electron transfer between quinones in chromatophores and reaction centers of Rhodobacter sphaeroides. Biochim Biophys Acta (1989) 0.83
Inhibition of the reoxidation of the secondary electron acceptor of photosystem II by bicarbonate depletion. Biochim Biophys Acta (1976) 0.83
Determination of the primary charge separation rate in Photosystem II reaction centers at 15 K. Photosynth Res (1989) 0.83
The effect of chloride on the thermal inactivation of oxygen evolution. Photosynth Res (1988) 0.83
Age and fluorescence characteristics in some species of Athiorhodaceae. Proc Natl Acad Sci U S A (1969) 0.82
In vivo chlorophyll a fluorescence transients and the circadian rhythm of photosynthesis in gonyaulax polyedra. Photochem Photobiol (1979) 0.82
The slow S to M rise of chlorophyll a fluorescence reflects transition from state 2 to state 1 in the green alga Chlamydomonas reinhardtii. Photosynth Res (2015) 0.81
Mitochondrial electron transport protects floating leaves of long leaf pondweed (Potamogeton nodosus Poir) against photoinhibition: comparison with submerged leaves. Photosynth Res (2014) 0.81
Lumenal side histidine mutations in the D1 protein of Photosystem II affect donor side electron transfer in Chlamydomonas reinhardtii. Biochim Biophys Acta (1994) 0.81
Photosystem II fluorescence lifetime imaging in avocado leaves: contributions of the lutein-epoxide and violaxanthin cycles to fluorescence quenching. J Photochem Photobiol B (2011) 0.81
Investigation of the absorption changes of the plasto-quinone system in broken chloroplasts. The effect of bicarbonate-depletion. Biochim Biophys Acta (1977) 0.81
Thermoluminescence in spinach chloroplasts and in Chlorella. Biochim Biophys Acta (1971) 0.81
NMR study of chloride ion interactions with thylakoid membranes. Proc Natl Acad Sci U S A (1984) 0.81
Emission spectra of Chlorella at very low temperatures (-269 degrees to -196 degrees). Biochim Biophys Acta (1966) 0.81