The Effect of Exogenous Melatonin on the Photosynthetic Characteristics of <i>Rhododendron simsii</i> Under Cadmium Stress by Haochen Di, Ying Liang, Yuting Gong, Songheng Jin, Yanxia Xu

“…In contrast, exogenous MT improved photosynthetic efficiency by increasing the maximum photochemical efficiency of photosystem II, the quantum yield of electron transport, and the photosynthetic performance index. …”
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Synthesis and Antimycobacterial and Photosynthesis-Inhibiting Evaluation of 2-[(E)-2-Substituted-ethenyl]-1,3-benzoxazoles by Ales Imramovsky, Jan Kozic, Matus Pesko, Jirina Stolarikova, Jarmila Vinsova, Katarina Kralova, Josef Jampilek

“…The site of inhibitory action of tested compounds is situated on the donor side of photosystem II. The structure-activity relationships are discussed.…”
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Analysis of the Genomes and Adaptive Traits of <i>Skermanella cutis</i> sp. nov., a Human Skin Isolate, and the Type Strains <i>Skermanella rosea</i> and <i>Skermanella mucosa</i> by Yujin Choi, Munkhtsatsral Ganzorig, Kyoung Lee

“…Comparative genomic analysis showed that the strains TT6^T, <i>S. rosea</i> M1^T and <i>S. mucosa</i> 8-14-6^T share the Calvin cycle, and possess photosynthetic genes associated with the purple bacteria-type photosystem II. The strains TT6^T and <i>S. rosea</i> M1^T exhibited growth in a nitrogen-free medium under microaerobic conditions, which were generated in test tubes containing 0.1% soft agar. …”
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Unlocking the potential of cacao yield with full sun cultivation by Carolina S. Benjamin, Luiz A. S. Dias, Samuel C. V. Martins, Carlos E. Aucique-Perez, Lucas B. C. Rosmaninho

“…Under high light intensity, the potential quantum yield of photosystem II indicated no photoinhibition, and adaptations in the photosynthetic apparatus were observed, such as lower pigment concentration in clone PH 16. …”
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Exploitation of olive mill wastewater in sorghum irrigation by Rachid Mahmoud, Fatimzahra Ainlhout, Mohamed Ben Abbou, Mustapha Taleb, Mounia El haji, Zakia Rais

“…Sorghum growth was monitored by studying physiological performance (transpiration, stomatal conductance, the intensity of photosynthesis, and the performance of photosystem II).Results The raw OMW is acidic, salty, highly loaded with organic (COD / BOD5 = 7.1> 3), and inorganic matter and polyphenol content of 9 g/L. …”
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LEA Gene Expression Assessment in Advanced Mutant Rice Genotypes under Drought Stress by Zarifth Shafika Kamarudin, Mohd Rafii Yusop, Mohd Razi Ismail, Mahmud Tengku Muda Mohamed, Abdul Rahim Harun, Oladosu Yusuff, Usman Magaji, Arolu Fatai

“…In this study, the expression patterns of LEA genes were investigated in two advanced mutant rice genotypes subjected to the drought stress condition and different physiological traits including photosynthetic rate, leaf chlorophyll content, and photosystem II (PSII) photochemical efficiency (Fv/Fm) which were analyzed to confirm their drought tolerance. …”
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Spermine driven water deficit tolerance in early growth phases of sweet corn genotypes under hydroponic cultivation by Tahoora Batool Zargar, Mawia Sobh, Oqba Basal, Tibor Janda, Magda Pál, Szilvia Veres

“…The quantum efficiency of Photosystem II, which was significantly reduced by water deficit, showed substantial improvement with Spermine treatment, with increases of 107.2% in Tyson and 99.4% in Royalty under moderate water deprivation. …”
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Multi-Trait Index-Based Selection of Drought Tolerant Wheat: Physiological and Biochemical Profiling by Mohammed Mohi-Ud-Din, Md. Alamgir Hossain, Md. Motiar Rohman, Md. Nesar Uddin, Md. Sabibul Haque, Mahmudul Hasan Tahery, Mirza Hasanuzzaman

“…Measurements included six physiological, seven gas exchange, six photosystem II, six stomatal, three reactive species, seven metabolomic solutes, and two biomass traits. …”
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Search of Reflectance Indices for Estimating Photosynthetic Activity of Wheat Plants Under Drought Stress by Firuz Abdullaev, Daria Churikova, Polina Pirogova, Maxim Lysov, Vladimir Vodeneev, Oksana Sherstneva

“…In particular, a decrease in the photochemical quantum yield of photosystem II (Φ_PSII), which characterizes the rate of linear electron transport in the photosynthetic electron transport chain and is one of the most sensitive parameters responding at the early stages of drought stress, was observed. …”
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Foliar spraying melatonin reduces the threat of chromium-contaminated water to wheat production by improving photosynthesis, limiting Cr translocation and reducing oxidative stress by Chuanjiao Sun, Libing Xu, Qiang Gao, Shuzhen Sun, Xiaoxue Liu, Zigang Zhang, Zhongwei Tian, Tingbo Dai, Jianyun Sun

“…Our results showed that Cr-contaminated water irrigation significantly reduced dry weight, grain numbers, grain weight, yield, harvest index, net photosynthetic rate (Pn), maximum and actual photochemical efficiency of photosystem II (Fv/Fm and ΦPSII), chlorophyll contents, and the a/b ratio. …”
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Exogenous 2,4-Epibrassinolide Alleviates Alkaline Stress in Cucumber by Modulating Photosynthetic Performance by Wenjing Nie, Qinghai He, Jinzhao Ma, Hongen Guo, Qinghua Shi

“…This disruption suggests a severe dysregulation of the photosynthetic electron transport system, impairing electron transfer from photosystem II (PSII) to photosystem I (PSI) and subsequently the Calvin cycle. …”
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Transcriptome Analysis Reveals Key Genes Involved in the Response of <i>Triticum urartu</i> to Boron Toxicity Stress by Gul Sema Uyar, Anamika Pandey, Mehmet Hamurcu, Tomas Vyhnanek, Mustafa Harmankaya, Ali Topal, Sait Gezgin, Mohd. Kamran Khan

“…While key upregulated genes included those encoding RNA polymerase beta subunit (chloroplast), ATP synthase subunit gamma, chloroplastic, 60S ribosomal protein, and RNA-binding protein 12-like, the main downregulated genes included those encoding photosystem II protein D, ribulose bisphosphate carboxylase small subunit, and peroxidase 2-like. …”
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Assessment of 3-Cyanobenzoic Acid as a Possible Herbicide Candidate: Effects on Maize Growth and Photosynthesis by Luiz Henryque Escher Grizza, Isabela de Carvalho Contesoto, Ana Paula da Silva Mendonça, Amanda Castro Comar, Ana Paula Boromelo, Ana Paula Ferro, Rodrigo Polimeni Constantin, Wanderley Dantas dos Santos, Rogério Marchiosi, Osvaldo Ferrarese-Filho

“…Parameters such as the chlorophyll index, net assimilation (<i>A</i>), stomatal conductance (<i>g</i>_s), intercellular CO₂ concentration (<i>C</i>_i), maximum effective photochemical efficiency (F_v′/F_m′), photochemical quenching coefficient (q_P), quantum yield of photosystem II photochemistry (ϕ_PSII), and electron transport rate through PSII (ETR) all decreased. …”
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Assessment of salicylic acid and potassium nitrate to mitigate frost stress in autumn-sown potato crop cv. Sutlej by Muhammad Wasim Haider, Syed Mohsin Abbas, Tanveer Hussain, Muhammad Tahir Akram, Umar Farooq, Mona S. Alwahibi, Mohamed S. Elshikh, Zaid Shakeel, Muhammad Nafees, Muhammad Rizwan, Rashid Iqbal

“…This included increased plant height by 14% and 17.6%, leaf area index by 6.3% and 26.3%, shoot biomass by 15.4% and 46.2%, crop growth rate by 16.7% and 43.3%, average tuber weight by 8.2% and 23%, tuber diameter by 6.8% and 12.2%, tuber yield by 26.1% and 46.3%, leaf angle by 16.2% and 21.6%, quantum yield of photosystem II by 20.6% and 28.2%, photosynthetically active radiations by 20.5% and 32.4%, chlorophyll content by 6.3% and 14.6%, leaf thickness by 14% and 29%, linear electron flow by 20% and 32.7%, O–2 by 6% and 14.4%, H2O2 by 11.7% and 27.6%, enzyme activities of catalase by 20.7% and 28.5%, superoxide dismutase by 28.6% and 28.5%, peroxidase by 8.3% and 13.5%, ascorbate peroxidase by 17.2% and 37.8%, total protein by 21% and 37%, proline by 36.2% and 114%, and phenolic content by 33% and 63.3% with a reduction in non-photochemical quenching by 12.7% and 29.6%, non-regulatory energy dissipation by 169.5% and 268.5%, and leaf electrolyte leakage by 57.5% and 180%, compared to KNO3 and the control, respectively. …”
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Towards a full understanding of water splitting in photosynthesis by James Barber

“…About 2.5 billion years ago a remarkable biological “machine” evolved known as photosystem two (PSII). This machine can use the energy of visible light (actually red quanta of ∼ 1.8 eV) to split water into dioxygen and “hydrogen”. …”
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