OOIR: Observatory of International Research

Papers

(The median citation count of Photosynthetica is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Adaptive photosynthetic strategies of the invasive plant Sphagneticola trilobata and its hybrid to a low-light environment	46
Cadmium and high light stress interactions highlight limits of PSII in Arabidopsis thaliana	34
The melatonin receptor CAND2 is involved in the regulation of photosynthesis and chloroplast gene expression in Arabidopsis thaliana under photooxidative stress	20
Dr. Autar Krishen Mattoo (1943-2024): an outstanding plant biologist with a focus on photosynthesis	18
Both uniconazole and 5-aminolevulinic acid increase maize (Zea mays L.) yield by changing its ear morphology and increasing photosynthetic efficiency and antioxidants in saline-alkali land	18
Increased brassinolide accumulation and increased growth in low-light-grown transgenic tobacco	17
Influence of phytochromes on microRNA expression, phenotype, and photosynthetic activity in A. thaliana phy mutants under light with different spectral composition	16
Excess energy and photosynthesis: responses to seasonal water limitations in co-occurring woody encroachers of the semi-arid Southern Great Plains	14
Photosynthetic performance of walnut leaves during the occurrence of leaf scorch	13
Changes in the photosynthetic response of lettuce exposed to toxic element multicontamination under hydroponic conditions	13
Evaluation of the relationship between color-tuning of photosynthetic excitons and thermodynamic stability of light-harvesting chromoproteins	12
Improvement in the photoprotective capability benefits the productivity of a yellow-green wheat mutant in N-deficient conditions	12
Evaluation of visible-light wavelengths that reduce or oxidize the plastoquinone pool in green algae with the activated F<sub>0</sub> rise method	11
Photosystem II efficiency in response to diurnal and seasonal variations in photon flux density and air temperature for green, yellow-green, and purple-leaved cultivars of sweet potato [Ipomoea bata	11
Biochemical, gas exchange, and chlorophyll fluorescence analysis of maize genotypes under drought stress reveals important insights into their interaction and homeostasis	11
Honoring Hartmut Karl Lichtenthaler, innovative pioneer of photosynthesis, on his 90<sup>th</sup> birthday	11
Mitochondrial alternative oxidase pathway acts as an electron sink during photosynthetic induction in Rumex K-1 leaves	10
Single-cell microfluidics in combination with chlorophyll a fluorescence measurements to assess the lifetime of the Chlamydomonas PSBO protein	10
Crop responses and management strategies under shade and drought stress	10
Upregulation of the mitochondrial alternative oxidase pathway improves PSII function and photosynthetic electron transport in tomato seedlings under chilling stress	9
Exogenous calcium-alleviating effect on sodium salt-induced phytotoxicity associated with changes in photosynthetic characteristics of wheat seedlings	9
Response of physiological characteristics and grain yield of winter wheat varieties to long-term heat stress at anthesis	9
Photosynthesis and hydrogen energy for sustainability: harnessing the sun for a greener future	9
Sensing and classification of rice (Oryza sativa L.) drought stress levels based on chlorophyll fluorescence	9
Synergistic effects of drought and heat stress on Medicago truncatula: understanding growth response and photosynthetic mechanisms	8

EDITORIAL	8
Intraspecific variation in photosynthetic efficiency in soybean (Glycine max L.) varieties towards solar ultraviolet radiations	8
Improving salt tolerance of bean (Phaseolus vulgaris L.) with hydrogen sulfide	8
Ultrastructure, adaptability, and alleviation mechanisms of photosynthetic apparatus in plants under waterlogging: A review	8
Effect of application of iron (Fe) and α-ketoglutaric acid on growth, photosynthesis, and Fe content in fragrant rice seedlings	8
EDITORIAL	7
Fatty acid composition and cpDNA content in Arabidopsis thaliana mutants deprived of EGY1 protease	7
Heat-induced F<sub>0</sub>-fluorescence rise is not an indicator of severe tissue necrosis in thermotolerance assays of young and mature leaves of a tropical tree species, Calophyllum inop	7
Photosynthetic acclimation to temperature is affected by night temperature in Zea mays	7
Photosynthetic reaction center/graphene bio-hybrid for low-power optoelectronics	7
Changes in ultrastructure, photosynthetic abilities, and secondary metabolite due to individual and interactive effects of chromium and ultraviolet-B radiation in Adhatoda vasica	7
Leaf structure and photosynthesis in Populus alba under naturally fluctuating environments	6
Effects of red to far-red light ratio on growth and photosynthetic characteristics of tomato seedlings under calcium nitrate stress	6
Influence of nitrogen and phosphorus additions on parameters of photosynthesis and chlorophyll fluorescence in Cyclocarya paliurus seedlings	6
Light quality, oxygenic photosynthesis and more	6
Systematic salt tolerance-related physiological mechanisms of wild soybean and their role in the photosynthetic activity and Na<sup>+</sup> distribution of grafted soybean plants	6
The role of photosynthetic activity in the regulation of flg22-induced local and systemic defence reaction in tomato	6
László Mustárdy (1945-2022)	6
Cold plasma treatment influences the physiological parameters of millet	6
Chlorophyll measurements in Alstroemeria sp. using SPAD-502 meterand the color space CIE Lab*, and its validation in foliar senescence	6
In appreciation of an ingenious scientist and a great friend: Győző Garab	6
Impact of additional green light and deficit in cryptochrome 1 on photosynthetic activity and pro-/antioxidant balance in Arabidopsis thaliana	5
In honor of Reto Jörg Strasser: A pioneer of chlorophyll a fluorescence research	5
Potential mechanisms for the rapid post-drought reversal of ABA-induced stomatal closure by melatonin, 5-aminolevulinic acid, and brassinosteroids	5
Evidence of photosynthetic acclimation to self-shading in sugarcane canopies	5
On the discovery of the two-light effect on chlorophyll a fluorescence: Quenching of chlorophyll a fluorescence of Photosystem II by Photosystem I light	5
Response of upland cotton (Gossypium hirsutum L.) leaf chlorophyll content to high heat and low-soil water in the Arizona low desert	5
Evaluating physiological traits of Coffea canephora clones intercropped with Hevea brasiliensis	5
Regulation of photosynthesis and water-use efficiency in pima and upland cotton species subjected to drought and recovery	5
Effects of exposure of the leaf abaxial surface to direct solar radiation on the leaf anatomical traits and photosynthesis of soybean (Glycine max L.) in dryland farming systems	5
Happy birthday, Govindjee!	5
Light intensity affects tolerance of pyrene in Chlorella vulgaris and Scenedesmus acutus	5
The photosynthetic function analysis for leaf photooxidation in rice	5
Blue light dosage affects photosynthesis, chlorophyll, and antioxidant properties of Mesembryanthemum crystallinum	5
PSII photochemistry responses to drought stress in autochthonous and modern sweet cherry cultivars	5
Relative importance of chlorophyll metabolic genes for light-induced greening of potato tubers	5
Effects of source-sink alteration by pruning on physiological parameters and fruit production of Rosa roxburghii Tratt. on the Yunnan-Guizhou Plateau in China	5
Changes in the photosynthetic performance, the activity of enzymes of nitrogen metabolism, and proline content in the leaves of wheat plants after exposure to low CO<sub>2</sub> concentra	4
Vertical profile of photosynthetic CO<sub>2</sub> response within rice canopy	4
George C. Papageorgiou and the protective role of glycine betaine in activation and stabilization of the oxygen-evolving photosystem II complex	4
Avoiding leakage when classifying drought stress from OJIP fluorescence - comment on Xia et al. (2025)	4
Comparative study of photosynthetic capacity in lower leaves in the canopy of dwarf and semidwarf wheat	4
Vapor-pressure-deficit-controlled temperature response of photosynthesis in tropical trees	4
Dependence of the rate-limiting steps in the dark-to-light transition of photosystem II on the lipidic environment of the reaction center	4
Phosphorus-deficiency stress in cucumber (Cucumis sativus L.) plants: early detection based on chosen physiological parameters and statistical analyses	4
Photosystems under high light stress: throwing light on mechanism and adaptation	4
Assessing shade stress in leaves of turf-type tall fescue (Festuca arundinacea Schreb.)	4
The story of my life into and through the science of photosynthesis: a personal perspective	4
Mitigative effect of 6-benzyladenine on photosynthetic capacity and leaf ultrastructure of maize seedlings under waterlogging stress	3
Tribute to Jean Lavorel (1928-2021), an outstanding experimenter and a brilliant theorist of photosynthesis	3

The combined effect of Cd and high light stress on the photochemical processes in Arabidopsis thaliana	3
Morphophysiological responses of Theobroma cacao L. rootstocks to flooding and post-flooding conditions	3
Downregulated expression of TaDeg7 inhibits photosynthetic activity in bread wheat (Triticum aestivum L.)	3
Impact of salt stress on physiology, leaf mass, and nutrient accumulation in romaine lettuce	3
Using chlorophyll fluorescence parameters and antioxidant enzyme activity to assess drought tolerance of spring wheat	3
Variability of the photosynthetic machinery tolerance when imposed to rapidly or slowly imposed dehydration in native Mediterranean plants	3
Effect of UV exclusion and AMF inoculation on photosynthetic parameters of Glycine max	3
EDITORIAL	3
Photoprotective roles of ascorbate and PSII cyclic electron flow in the response of the seagrass Zostera marina to oxygen-evolving complex photoinactivation	3
Ascorbic acid is involved in melatonin-induced salinity tolerance of maize (Zea mays L.) by regulating antioxidant and photosynthetic capacities	3
Professor Charles Percival Whittingham (1922-2011)	3
LHCII - a protein like a 'Swiss Army knife' with many mechanisms and functions	3
The physiological responses of critically endangered species Ardisia gigantifolia Stapf (Primulaceae) to different light intensities	3
Protection of nitrogenase from photosynthetic O<sub>2</sub> evolution in Trichodesmium: methodological pitfalls and advances over 30 years of research	3
An open Internet of Things (IoT)-based framework for feedback controlof photosynthetic activities	3
The resistance of Solanum lycopersicum photosynthetic apparatus to high-intensity blue light is determined mainly by the cryptochrome 1 content	3
The effects of nitrogen application on the growth, photosynthesis, and antioxidant activity of Amaranthus viridis	3
Intersections: photosynthesis, abiotic stress, and the plant microbiome	3
Selenium improves wheat antioxidant capacity, photosynthetic capacity, and growth under cadmium stress	3
Partial shade improved the photosynthetic capacity and polysaccharide accumulation of the medicinal plant Bletilla ochracea Schltr.	2
Effect of elevation on photosynthesis of young mango (Mangifera indica L.) trees	2
Variations in the photoprotective responses of trees and seedlings of the endangered Pitavia punctata (Ruiz & Pav.) Molina	2
Physiological response to low-nitrogen stress and comprehensive evaluation in four rice varieties	2
Chlorophyll and growth performance of biological sand-fixing materials inoculated on sandy desert surface	2
Heterocapsa cf. bohaiensis (dinoflagellate): identification and response to nickel and iron stress revealed through chlorophyll a fluorescence	2
Influence of additional far-red light on the photosynthetic and growth parameters of lettuce plants and the resistance of the photosynthetic apparatus to high irradiance	2
Variation in leaf mesophyll anatomy of fern species imposes significant effects on leaf gas exchange, light capture, and leaf hydraulic conductance	2
On "P750s" in cyanobacteria: A historical perspective	2
Growth light substantially affects both primary and secondary metabolic processes in Catharanthus roseus plants	2
Zinc and cadmium as modulating factors of the morphophysiological responses of Alternanthera tenella Colla (Amaranthaceae) under in vitro conditions	2
Higher activity of PSI compared to PSII accounts for the beneficial effect of silicon on barley (Hordeum vulgare L.) plants challenged with salinity	2
Nitrogen rate and plant density interaction enhances grain yield by regulating the grain distribution of secondary branches on the panicle axis and photosynthesis in japonica rice	2
Sixty years of research on photosynthesis: a personal scientific autobiography	2
Chloroplast antioxidant reactions associated with zinc-alleviating effects on iron toxicity in wheat seedlings	2
The 12<sup>th</sup> International Conference on "Photosynthesis and Hydrogen Energy Research for Sustainability 2024": in honour of John Allen,Eva-Mari Aro, İbrahim Dinçer, Kazunari Domen,	2
Different light-quality colored films affect growth, photosynthesis, chloroplast ultrastructure, and triterpene acid accumulation in Glechoma longituba plants	2
Diurnal changes in the stomatal, mesophyll, and biochemical limitations of photosynthesis in well-watered greenhouse-grown strawberries	2
Can seedlings of Norway spruce (Picea abies L. H. Karst.) populations withstand changed climate conditions?	2
Gas exchange and time to reach maximum rate of photosynthetic rateand their relationship with whole-plant traits in sugarcane in water abundant Louisiana, USA	2
High photosynthetic thermal tolerance in the Mediterranean halophyte Limoniastrum monopetalum	2
Light curve parametrization of three rice (Oryza sativa L.) cultivars based on mechanistic models	2
Contents of photosynthetic pigments and ratios of chlorophyll a/b and chlorophylls to carotenoids (a+b)/(x+c) in C<sub>4</sub> plants as compared to C<sub>3</sub> plants	2
Transgenerational effect of UV-B priming on photochemistry and associated metabolism in rice seedlings subjected to PEG-induced osmotic stress	2
Photosynthetic mechanism of high yield under an improved wide-narrow row planting pattern in maize	2
LETTER TO THE EDITOR	2