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 2022-01-01 to 2026-01-01.)

Article	Citations
Cadmium and high light stress interactions highlight limits of PSII in Arabidopsis thaliana	54
Adaptive photosynthetic strategies of the invasive plant Sphagneticola trilobata and its hybrid to a low-light environment	23
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	22
Dr. Autar Krishen Mattoo (1943-2024): an outstanding plant biologist with a focus on photosynthesis	21
Increased brassinolide accumulation and increased growth in low-light-grown transgenic tobacco	17
Photosynthetic performance of walnut leaves during the occurrence of leaf scorch	16
Influence of phytochromes on microRNA expression, phenotype, and photosynthetic activity in A. thaliana phy mutants under light with different spectral composition	14
Excess energy and photosynthesis: responses to seasonal water limitations in co-occurring woody encroachers of the semi-arid Southern Great Plains	12
Changes in the photosynthetic response of lettuce exposed to toxic element multicontamination under hydroponic conditions	12
Unravelling the differential responses of critically endangered Onobrychis conferta populations to drought and salinity stress	12
Biochemical, gas exchange, and chlorophyll fluorescence analysis of maize genotypes under drought stress reveals important insights into their interaction and homeostasis	11
Improvement in the photoprotective capability benefits the productivity of a yellow-green wheat mutant in N-deficient conditions	11
Honoring Hartmut Karl Lichtenthaler, innovative pioneer of photosynthesis, on his 90<sup>th</sup> birthday	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
Evaluation of visible-light wavelengths that reduce or oxidize the plastoquinone pool in green algae with the activated F<sub>0</sub> rise method	10
Evaluation of the relationship between color-tuning of photosynthetic excitons and thermodynamic stability of light-harvesting chromoproteins	10
Recent advances in plant stress analysis using chlorophyll a fluorescence	10
Photosynthesis and hydrogen energy for sustainability: harnessing the sun for a greener future	9
Exogenous calcium-alleviating effect on sodium salt-induced phytotoxicity associated with changes in photosynthetic characteristics of wheat seedlings	9
Sensing and classification of rice (Oryza sativa L.) drought stress levels based on chlorophyll fluorescence	9
Upregulation of the mitochondrial alternative oxidase pathway improves PSII function and photosynthetic electron transport in tomato seedlings under chilling stress	9
Single-cell microfluidics in combination with chlorophyll a fluorescence measurements to assess the lifetime of the Chlamydomonas PSBO protein	9
EDITORIAL	8
Synergistic effects of drought and heat stress on Medicago truncatula: understanding growth response and photosynthetic mechanisms	8
Effect of application of iron (Fe) and α-ketoglutaric acid on growth, photosynthesis, and Fe content in fragrant rice seedlings	8

Ultrastructure, adaptability, and alleviation mechanisms of photosynthetic apparatus in plants under waterlogging: A review	7
László Mustárdy (1945-2022)	7
Photosynthetic acclimation to temperature is affected by night temperature in Zea mays	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
Improving salt tolerance of bean (Phaseolus vulgaris L.) with hydrogen sulfide	7
Intraspecific variation in photosynthetic efficiency in soybean (Glycine max L.) varieties towards solar ultraviolet radiations	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
Light quality, oxygenic photosynthesis and more	6
Chlorophyll measurements in Alstroemeria sp. using SPAD-502 meterand the color space CIE Lab*, and its validation in foliar senescence	6
Impact of additional green light and deficit in cryptochrome 1 on photosynthetic activity and pro-/antioxidant balance in Arabidopsis thaliana	6
Leaf structure and photosynthesis in Populus alba under naturally fluctuating environments	6
In appreciation of an ingenious scientist and a great friend: Győző Garab	6
The photosynthetic function analysis for leaf photooxidation in rice	6
In honor of Reto Jörg Strasser: A pioneer of chlorophyll a fluorescence research	6
Light intensity affects tolerance of pyrene in Chlorella vulgaris and Scenedesmus acutus	6
The role of photosynthetic activity in the regulation of flg22-induced local and systemic defence reaction in tomato	6
Influence of nitrogen and phosphorus additions on parameters of photosynthesis and chlorophyll fluorescence in Cyclocarya paliurus seedlings	6
Photosynthetic reaction center/graphene bio-hybrid for low-power optoelectronics	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
Evaluating physiological traits of Coffea canephora clones intercropped with Hevea brasiliensis	6
Cold plasma treatment influences the physiological parameters of millet	6
EDITORIAL	6
Phytomelatonin and post-drought stomatal recovery: psychotropic-like signaling in guard-cell dynamics	5
Potential mechanisms for the rapid post-drought reversal of ABA-induced stomatal closure by melatonin, 5-aminolevulinic acid, and brassinosteroids	5
Regulation of photosynthesis and water-use efficiency in pima and upland cotton species subjected to drought and recovery	5
Comparative study of photosynthetic capacity in lower leaves in the canopy of dwarf and semidwarf wheat	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
Evidence of photosynthetic acclimation to self-shading in sugarcane canopies	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	5
Vapor-pressure-deficit-controlled temperature response of photosynthesis in tropical trees	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
Relative importance of chlorophyll metabolic genes for light-induced greening of potato tubers	5
Happy birthday, Govindjee!	5
Vertical profile of photosynthetic CO<sub>2</sub> response within rice canopy	5
George C. Papageorgiou and the protective role of glycine betaine in activation and stabilization of the oxygen-evolving photosystem II complex	4
EDITORIAL	4
Variability of the photosynthetic machinery tolerance when imposed to rapidly or slowly imposed dehydration in native Mediterranean plants	4
Tribute to Jean Lavorel (1928-2021), an outstanding experimenter and a brilliant theorist of photosynthesis	4
Phosphorus-deficiency stress in cucumber (Cucumis sativus L.) plants: early detection based on chosen physiological parameters and statistical analyses	4
The story of my life into and through the science of photosynthesis: a personal perspective	4
An open Internet of Things (IoT)-based framework for feedback controlof photosynthetic activities	4
Protection of nitrogenase from photosynthetic O<sub>2</sub> evolution in Trichodesmium: methodological pitfalls and advances over 30 years of research	4
Photosystems under high light stress: throwing light on mechanism and adaptation	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
Avoiding leakage when classifying drought stress from OJIP fluorescence - comment on Xia et al. (2025)	4
Effect of UV exclusion and AMF inoculation on photosynthetic parameters of Glycine max	4
The physiological responses of critically endangered species Ardisia gigantifolia Stapf (Primulaceae) to different light intensities	4
Heterocapsa cf. bohaiensis (dinoflagellate): identification and response to nickel and iron stress revealed through chlorophyll a fluorescence	3
Ascorbic acid is involved in melatonin-induced salinity tolerance of maize (Zea mays L.) by regulating antioxidant and photosynthetic capacities	3

The effects of nitrogen application on the growth, photosynthesis, and antioxidant activity of Amaranthus viridis	3
The combined effect of Cd and high light stress on the photochemical processes in Arabidopsis thaliana	3
Selenium improves wheat antioxidant capacity, photosynthetic capacity, and growth under cadmium stress	3
The resistance of Solanum lycopersicum photosynthetic apparatus to high-intensity blue light is determined mainly by the cryptochrome 1 content	3
Mitigative effect of 6-benzyladenine on photosynthetic capacity and leaf ultrastructure of maize seedlings under waterlogging stress	3
Downregulated expression of TaDeg7 inhibits photosynthetic activity in bread wheat (Triticum aestivum L.)	3
Intersections: photosynthesis, abiotic stress, and the plant microbiome	3
Using chlorophyll fluorescence parameters and antioxidant enzyme activity to assess drought tolerance of spring wheat	3
Morphophysiological responses of Theobroma cacao L. rootstocks to flooding and post-flooding conditions	3
LHCII - a protein like a 'Swiss Army knife' with many mechanisms and functions	3
Professor Charles Percival Whittingham (1922-2011)	3
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
Impact of salt stress on physiology, leaf mass, and nutrient accumulation in romaine lettuce	2
Chlorophyll and growth performance of biological sand-fixing materials inoculated on sandy desert surface	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
Growth light substantially affects both primary and secondary metabolic processes in Catharanthus roseus plants	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
On "P750s" in cyanobacteria: A historical perspective	2
Light curve parametrization of three rice (Oryza sativa L.) cultivars based on mechanistic models	2
Physiological response to low-nitrogen stress and comprehensive evaluation in four rice varieties	2
Transgenerational effect of UV-B priming on photochemistry and associated metabolism in rice seedlings subjected to PEG-induced osmotic stress	2
High photosynthetic thermal tolerance in the Mediterranean halophyte Limoniastrum monopetalum	2
Different light-quality colored films affect growth, photosynthesis, chloroplast ultrastructure, and triterpene acid accumulation in Glechoma longituba plants	2
Variations in the photoprotective responses of trees and seedlings of the endangered Pitavia punctata (Ruiz & Pav.) Molina	2
Can seedlings of Norway spruce (Picea abies L. H. Karst.) populations withstand changed climate conditions?	2
Partial shade improved the photosynthetic capacity and polysaccharide accumulation of the medicinal plant Bletilla ochracea Schltr.	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
Photosynthetic mechanism of high yield under an improved wide-narrow row planting pattern in maize	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
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
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
LETTER TO THE EDITOR	2
Variation in leaf mesophyll anatomy of fern species imposes significant effects on leaf gas exchange, light capture, and leaf hydraulic conductance	2