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Journal articles on the topic 'Photosynthesis Plant proteins'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 January 2023

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1

Pettigrew, W. T. "Cotton Photosynthetic Regulation through Nutrient and Water Availability." Journal of Cotton Science 20, no. 3 (2016): 237–45. http://dx.doi.org/10.56454/dsok1529.

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Photosynthesis is an extremely complicated process that is fundamental to supporting plant growth. It is regulated by multiple internal and external factors. Three factors regulating photosynthesis over which cotton producers can exert some influence are the levels of potassium, nitrogen, and soil moisture. Research has shown that deficient levels of all three depress canopy photosynthesis and yield through the production of a smaller plant with less leaf area to intercept incoming solar radiation. In addition, leaf photosynthesis is impacted by potassium at both the stomatal and non-stomatal

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Capó-Bauçà, Sebastià, Marcel Font-Carrascosa, Miquel Ribas-Carbó, Andrej Pavlovič, and Jeroni Galmés. "Biochemical and mesophyll diffusional limits to photosynthesis are determined by prey and root nutrient uptake in the carnivorous pitcher plant Nepenthes × ventrata." Annals of Botany 126, no. 1 (2020): 25–37. http://dx.doi.org/10.1093/aob/mcaa041.

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Abstract Background and Aims Carnivorous plants can enhance photosynthetic efficiency in response to prey nutrient uptake, but the underlying mechanisms of increased photosynthesis are largely unknown. Here we investigated photosynthesis in the pitcher plant Nepenthes × ventrata in response to different prey-derived and root mineral nutrition to reveal photosynthetic constrains. Methods Nutrient-stressed plants were irrigated with full inorganic solution or fed with four different insects: wasps, ants, beetles or flies. Full dissection of photosynthetic traits was achieved by means of gas exch

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Urban, Aleksandra, Paweł Rogowski, Wioleta Wasilewska-Dębowska, and Elżbieta Romanowska. "Understanding Maize Response to Nitrogen Limitation in Different Light Conditions for the Improvement of Photosynthesis." Plants 10, no. 9 (2021): 1932. http://dx.doi.org/10.3390/plants10091932.

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The photosynthetic capacity of leaves is determined by their content of nitrogen (N). Nitrogen involved in photosynthesis is divided between soluble proteins and thylakoid membrane proteins. In C4 plants, the photosynthetic apparatus is partitioned between two cell types: mesophyll cells and bundle sheath. The enzymes involved in the C4 carbon cycle and assimilation of nitrogen are localized in a cell-specific manner. Although intracellular distribution of enzymes of N and carbon assimilation is variable, little is known about the physiological consequences of this distribution caused by light

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Perveen, Shahnaz, Mingnan Qu, Faming Chen, et al. "Overexpression of maize transcription factor mEmBP-1 increases photosynthesis, biomass, and yield in rice." Journal of Experimental Botany 71, no. 16 (2020): 4944–57. http://dx.doi.org/10.1093/jxb/eraa248.

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Abstract Identifying new options to improve photosynthetic capacity is a major approach to improve crop yield potential. Here we report that overexpression of the gene encoding the transcription factor mEmBP-1 led to simultaneously increased expression of many genes in photosynthesis, including genes encoding Chl a,b-binding proteins (Lhca and Lhcb), PSII (PsbR3 and PsbW) and PSI reaction center subunits (PsaK and PsaN), chloroplast ATP synthase subunit, electron transport reaction components (Fd1 and PC), and also major genes in the Calvin–Benson–Bassham cycle, including those encoding Rubisc

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Nikkanen, Lauri, and Eevi Rintamäki. "Chloroplast thioredoxin systems dynamically regulate photosynthesis in plants." Biochemical Journal 476, no. 7 (2019): 1159–72. http://dx.doi.org/10.1042/bcj20180707.

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Abstract Photosynthesis is a highly regulated process in photoautotrophic cells. The main goal of the regulation is to keep the basic photosynthetic reactions, i.e. capturing light energy, conversion into chemical energy and production of carbohydrates, in balance. The rationale behind the evolution of strong regulation mechanisms is to keep photosynthesis functional under all conditions encountered by sessile plants during their lifetimes. The regulatory mechanisms may, however, also impair photosynthetic efficiency by overriding the photosynthetic reactions in controlled environments like cr

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Bag, Pushan. "Light Harvesting in Fluctuating Environments: Evolution and Function of Antenna Proteins across Photosynthetic Lineage." Plants 10, no. 6 (2021): 1184. http://dx.doi.org/10.3390/plants10061184.

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Photosynthesis is the major natural process that can harvest and harness solar energy into chemical energy. Photosynthesis is performed by a vast number of organisms from single cellular bacteria to higher plants and to make the process efficient, all photosynthetic organisms possess a special type of pigment protein complex(es) that is (are) capable of trapping light energy, known as photosynthetic light-harvesting antennae. From an evolutionary point of view, simpler (unicellular) organisms typically have a simple antenna, whereas higher plants possess complex antenna systems. The higher com

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Pavlovič, Andrej, and Ondřej Kocáb. "Alternative oxidase (AOX) in the carnivorous pitcher plants of the genus Nepenthes: what is it good for?" Annals of Botany 129, no. 3 (2021): 357–65. http://dx.doi.org/10.1093/aob/mcab151.

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Abstract Background and Aims The carnivorous pitcher plants of the genus Nepenthes have evolved modified leaves that act as pitcher traps. The traps are specialized for prey attraction, capture, digestion and nutrient uptake but not for photosynthetic assimilation. Methods In this study, we used antibodies against different photosynthetic (D1, Lhcb2, Lhcb4, RbcL) and respiratory-related (AOX, COXII) proteins for semi-quantification of these proteins in the assimilation part of the leaves and the pitcher traps of different Nepenthes species and hybrids. Different functional zones of the trap an

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Zhang, Xiaoli, Maoyan Tang, Hui Wang, et al. "Analysis of Photosynthetic Differences of Rice Germplasm in Southeast Asia Based on Leaf-Tissue Structure, Physiology, and iTRAQ." Agronomy 12, no. 12 (2022): 3207. http://dx.doi.org/10.3390/agronomy12123207.

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Photosynthesis is responsible for 90–95% of organic matter in crop yield. The light energy utilization rate of high-yielding rice varieties is 1.0–1.5%, but the ideal value is about 3–5%. Yield can be further improved by improving photosynthetic function. Through the initial screening and re-screening of 220 Southeast Asian germplasm resources, we found that the net photosynthetic rate of Southeast Asian germplasm resource C1 was 36.96 μmol m−2 S−1, which is close to that of C4 plant maize and 3.26 times higher than that of Southeast Asian germplasm resource G164 at 11.26 μmol m−2 S−1. Using C

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Curticăpean, Manuela-Claudia. "Plant Aquaporins." Acta Biologica Marisiensis 2, no. 2 (2019): 36–48. http://dx.doi.org/10.2478/abmj-2019-0009.

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Abstract This mini-review briefly presents the main types of plant aquaporins, highlighting their importance for different plant species and for plant cellular functions. Aquaporins (AQPs), families of water channel proteins (WCPs) are transmembrane proteins that are present in prokaryotes, animals, plants, and humans. The plant aquaporins are part of the Major Intrinsic Proteins (MIPs) family which resides in the following plant organs: roots, stems, leaves, flowers, fruits, and seeds. According to the sub-cellular localization, to their sequence homologies and to their phylogenetic distribut

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Puzorjov, Anton, and Alistair J. McCormick. "Phycobiliproteins from extreme environments and their potential applications." Journal of Experimental Botany 71, no. 13 (2020): 3827–42. http://dx.doi.org/10.1093/jxb/eraa139.

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Abstract The light-harvesting phycobilisome complex is an important component of photosynthesis in cyanobacteria and red algae. Phycobilisomes are composed of phycobiliproteins, including the blue phycobiliprotein phycocyanin, that are considered high-value products with applications in several industries. Remarkably, several cyanobacteria and red algal species retain the capacity to harvest light and photosynthesise under highly selective environments such as hot springs, and flourish in extremes of pH and elevated temperatures. These thermophilic organisms produce thermostable phycobiliprote

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Evans, JR. "Photosynthetic Acclimation and Nitrogen Partitioning Within a Lucerne Canopy. II. Stability Through Time and Comparison With a Theoretical Optimum." Functional Plant Biology 20, no. 1 (1993): 69. http://dx.doi.org/10.1071/pp9930069.

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Nitrogen redistribution between and within leaves was examined in a plot of lucerne (Medicago sativa L. cv. Aurora) in relation to potential canopy photosynthesis. The canopy was sampled during regrowth after cutting and just prior to flowering. As leaves were progressively shaded by the newly produced leaves, nitrogen content fell and photosynthetic acclimation occurred. The rate of acclimation in the canopy was the same as occurred following a step change to 23 or 6% sunlight. The profile of leaf nitrogen content was stable with respect to leaf area index and independent of time of sampling.

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Ye, Jie, Weifang Chen, Longwei Feng та ін. "The chaperonin 60 protein SlCpn60α1 modulates photosynthesis and photorespiration in tomato". Journal of Experimental Botany 71, № 22 (2020): 7224–40. http://dx.doi.org/10.1093/jxb/eraa418.

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Abstract Photosynthesis, an indispensable biological process of plants, produces organic substances for plant growth, during which photorespiration occurs to oxidize carbohydrates to achieve homeostasis. Although the molecular mechanism underlying photosynthesis and photorespiration has been widely explored, the crosstalk between the two processes remains largely unknown. In this study, we isolated and characterized a T-DNA insertion mutant of tomato (Solanum lycopersicum) named yellow leaf (yl) with yellowish leaves, retarded growth, and chloroplast collapse that hampered both photosynthesis

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Koide, Eri, Noriyuki Suetsugu, Megumi Iwano, et al. "Regulation of Photosynthetic Carbohydrate Metabolism by a Raf-Like Kinase in the Liverwort Marchantia polymorpha." Plant and Cell Physiology 61, no. 3 (2019): 631–43. http://dx.doi.org/10.1093/pcp/pcz232.

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Abstract To optimize growth and development, plants monitor photosynthetic activities and appropriately regulate various cellular processes. However, signaling mechanisms that coordinate plant growth with photosynthesis remain poorly understood. To identify factors that are involved in signaling related to photosynthetic stimuli, we performed a phosphoproteomic analysis with Marchantia polymorpha, an extant bryophyte species in the basal lineage of land plants. Among proteins whose phosphorylation status changed differentially between dark-treated plants and those after light irradiation but f

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Zou, Xiaojin, Zhanxiang Sun, Ning Yang, et al. "Interspecific root interactions enhance photosynthesis and biomass of intercropped millet and peanut plants." Crop and Pasture Science 70, no. 3 (2019): 234. http://dx.doi.org/10.1071/cp18269.

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Intercropping is commonly practiced worldwide because of its benefits to plant productivity and resource-use efficiency. Belowground interactions in these species-diverse agro-ecosystems can greatly contribute to enhancing crop yields; however, our understanding remains quite limited of how plant roots might interact to influence crop biomass, photosynthetic rates, and the regulation of different proteins involved in CO2 fixation and photosynthesis. We address this research gap by using a pot experiment that included three root-barrier treatments with full, partial and no root interactions bet

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Nikkanen, Lauri, Jouni Toivola, Manuel Guinea Diaz, and Eevi Rintamäki. "Chloroplast thioredoxin systems: prospects for improving photosynthesis." Philosophical Transactions of the Royal Society B: Biological Sciences 372, no. 1730 (2017): 20160474. http://dx.doi.org/10.1098/rstb.2016.0474.

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Thioredoxins (TRXs) are protein oxidoreductases that control the structure and function of cellular proteins by cleavage of a disulphide bond between the side chains of two cysteine residues. Oxidized thioredoxins are reactivated by thioredoxin reductases (TR) and a TR-dependent reduction of TRXs is called a thioredoxin system. Thiol-based redox regulation is an especially important mechanism to control chloroplast proteins involved in biogenesis, in regulation of light harvesting and distribution of light energy between photosystems, in photosynthetic carbon fixation and other biosynthetic pa

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Anderson, Stacy A., Manasa B. Satyanarayan, Ryan L. Wessendorf, Yan Lu, and Donna E. Fernandez. "A homolog of GuidedEntry of Tail-anchored proteins3 functions in membrane-specific protein targeting in chloroplasts of Arabidopsis." Plant Cell 33, no. 8 (2021): 2812–33. http://dx.doi.org/10.1093/plcell/koab145.

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Abstract The chloroplasts and mitochondria of photosynthetic eukaryotes contain proteins that are closely related to cytosolic Guided Entry of Tail-anchored proteins3 (Get3). Get3 is a targeting factor that efficiently escorts tail-anchored (TA) proteins to the ER. Because other components of the cytosolic-targeting pathway appear to be absent in organelles, previous investigators have asserted that organellar Get3 homologs are unlikely to act as targeting factors. However, we show here both that the Arabidopsis thaliana chloroplast homolog designated as GET3B is structurally similar to cytoso

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Chen, Guang, Jia Li, Huimin Han, Ruiying Du, and Xu Wang. "Physiological and Molecular Mechanisms of Plant Responses to Copper Stress." International Journal of Molecular Sciences 23, no. 21 (2022): 12950. http://dx.doi.org/10.3390/ijms232112950.

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Copper (Cu) is an essential micronutrient for humans, animals, and plants, and it participates in various morphological, physiological, and biochemical processes. Cu is a cofactor for a variety of enzymes, and it plays an important role in photosynthesis, respiration, the antioxidant system, and signal transduction. Many studies have demonstrated the adverse effects of excess Cu on crop germination, growth, photosynthesis, and antioxidant activity. This review summarizes the biological functions of Cu, the toxicity of excess Cu to plant growth and development, the roles of Cu transport protein

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Liu, Yi-Ling, Zhi-Jun Shen, Martin Simon, et al. "Comparative Proteomic Analysis Reveals the Regulatory Effects of H2S on Salt Tolerance of Mangrove Plant Kandelia obovata." International Journal of Molecular Sciences 21, no. 1 (2019): 118. http://dx.doi.org/10.3390/ijms21010118.

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As a dominant mangrove species, Kandelia obovata is distributed in an intertidal marsh with an active H2S release. Whether H2S participates in the salt tolerance of mangrove plants is still ambiguous, although increasing evidence has demonstrated that H2S functions in plant responses to multiple abiotic stresses. In this study, NaHS was used as an H2S donor to investigate the regulatory mechanism of H2S on the salt tolerance of K. obovata seedlings by using a combined physiological and proteomic analysis. The results showed that the reduction in photosynthesis (Pn) caused by 400 mM of NaCl was

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19

Moerschbacher, B. M., P. Vander, C. Springer, U. Noll, and G. Schmittmann. "Photosynthesis in stem rust-infected, resistant and susceptible near-isogenic wheat leaves." Canadian Journal of Botany 72, no. 7 (1994): 990–97. http://dx.doi.org/10.1139/b94-124.

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Secondary leaves of three near-isogenic lines of the wheat (Triticum aestivum) cultivar Prelude, differing in their degree of resistance to the wheat stem rust fungus (Puccinia graminis f.sp. tritici) race 32, were inoculated with uredospores of the fungus 12 days after germination. Photosynthetic O2 evolution, chlorophyll content, 3-phosphoglycerate content, and the gel electrophoretic pattern of thylakoid membrane proteins were investigated in rust-infected and healthy plants of the fully susceptible isoline Prelude, the moderately resistant isoline Prelude-Sr24, and the highly resistant iso

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Ding, Yi, Xinchao Wang, Hongchun Cui, and Yun Zhao. "Biochemical and Proteome Analysis Reveal Different Nutritional Compound Compositions and Chloroplast Development Situations between Purple-Red and White-Yellow Tea Plant Cultivars." Horticulturae 8, no. 8 (2022): 685. http://dx.doi.org/10.3390/horticulturae8080685.

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Across the world, most of the main tea plant cultivars are green-leaf cultivars, but colored-leaf cultivars have become increasingly popular in recent years. In this research, the differences between purple-red and white-yellow tea plant cultivars were compared on biochemical and proteome levels. White-yellow cultivars had significantly high amino acid (AA) content and low polyphenols/amino acid (PP/AA), while purple-red cultivars showed high PP/AA. Comprehensive analysis of all nutritional compounds revealed that most of them showed significant positive correlations, except AA, and that there

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Park, Joonho, Thomas W. Okita, and Gerald E. Edwards. "Expression profiling and proteomic analysis of isolated photosynthetic cells of the non-Kranz C4 species Bienertia sinuspersici." Functional Plant Biology 37, no. 1 (2010): 1. http://dx.doi.org/10.1071/fp09074.

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Bienertia sinuspersici Akhani represents one form of C4 photosynthesis that occurs without Kranz anatomy in family Chenopodiaceae. Analysis of transcript profiles and proteomics were made to gain information on this single-cell C4 photosynthetic mechanism. Chlorenchyma cells were isolated and purified from mature leaves. From these cells, a cDNA library was made from which sequences were obtained on 2385 clones using conventional methods. To obtain a protein profile, the multi dimensional protein identification technique was used, resulting in identification of 322 unique proteins in chlorench

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Timm, Stefan, and Martin Hagemann. "Photorespiration—how is it regulated and how does it regulate overall plant metabolism?" Journal of Experimental Botany 71, no. 14 (2020): 3955–65. http://dx.doi.org/10.1093/jxb/eraa183.

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Abstract Under the current atmospheric conditions, oxygenic photosynthesis requires photorespiration to operate. In the presence of low CO2/O2 ratios, ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) performs an oxygenase side reaction, leading to the formation of high amounts of 2-phosphoglycolate during illumination. Given that 2-phosphoglycolate is a potent inhibitor of photosynthetic carbon fixation, it must be immediately removed through photorespiration. The core photorespiratory cycle is orchestrated across three interacting subcellular compartments, namely chloroplasts, peroxi

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Cai, Yan-Fei, Lu Zhang, Lv-Chun Peng, et al. "Key Proteins and Metabolic Pathways Involved in 24-Epibrasionlide Improving Drought Tolerance of Rhododendron delavayi Franch." Horticulturae 7, no. 11 (2021): 501. http://dx.doi.org/10.3390/horticulturae7110501.

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Rhododendron delavayi Franch. is a famous ornamental plant. However, seasonal drought caused by a monsoon climate seriously limits its growth and flowering performance in urban gardens. Our previous study has found that brassinosteroids (BRs) can improve the tolerance of R. delavayi to drought stress. Here, we employed a data-independent acquisition (DIA) approach to compare the protein expression profiles under drought treatment (D) and pre-treatment with BR before drought treatment (BR). With an increase in drought stress, the net photosynthetic rate, stomatal conductance, and transpiration

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Zagorchev, Lyuben, Zhaokui Du, Yongbin Shi, Denitsa Teofanova, and Junmin Li. "Cuscuta australis Parasitism-Induced Changes in the Proteome and Photosynthetic Parameters of Arabidopsis thaliana." Plants 11, no. 21 (2022): 2904. http://dx.doi.org/10.3390/plants11212904.

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Cuscuta australis is a widely distributed stem parasitic plant, infecting a variety of host plants. Its parasitism has a negative effect on the hosts, mainly due to the exhaustion of nutrients, thus negatively affecting the growth and development. However, recent studies indicated that the effect of parasitism may extend beyond the simple extraction of organic compounds, water, and minerals. In the present study, the model plant Arabidopsis thaliana was used as a host for Cuscuta australis, to study the effect of the parasite on the photosynthetic parameters and the proteome after short-term i

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Chen, Silin, Ping Li, Shunling Tan, et al. "Combined Proteomic and Physiological Analysis of Chloroplasts Reveals Drought and Recovery Response Mechanisms in Nicotiana benthamiana." Plants 10, no. 6 (2021): 1127. http://dx.doi.org/10.3390/plants10061127.

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Chloroplasts play essential roles in plant metabolic processes and stress responses by functioning as environmental sensors. Understanding chloroplast responses to drought stress and subsequent recovery will help the ability to improve stress tolerance in plants. Here, a combined proteomic and physiological approach was used to investigate the response mechanisms of Nicotiana benthamiana chloroplasts to drought stress and subsequent recovery. Early in the stress response, changes in stomatal movement were accompanied by immediate changes in protein synthesis to sustain the photosynthetic proce

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Nishioka, Keiji, Yusuke Kato, Shin-ichiro Ozawa, Yuichiro Takahashi, and Wataru Sakamoto. "Phos-tag-based approach to study protein phosphorylation in the thylakoid membrane." Photosynthesis Research 147, no. 1 (2020): 107–24. http://dx.doi.org/10.1007/s11120-020-00803-1.

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AbstractProtein phosphorylation is a fundamental post-translational modification in all organisms. In photoautotrophic organisms, protein phosphorylation is essential for the fine-tuning of photosynthesis. The reversible phosphorylation of the photosystem II (PSII) core and the light-harvesting complex of PSII (LHCII) contribute to the regulation of photosynthetic activities. Besides the phosphorylation of these major proteins, recent phosphoproteomic analyses have revealed that several proteins are phosphorylated in the thylakoid membrane. In this study, we utilized the Phos-tag technology fo

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Liu, Jing, Tomáš Takáč, Ganjun Yi, et al. "Acceleration of Carbon Fixation in Chilling-Sensitive Banana under Mild and Moderate Chilling Stresses." International Journal of Molecular Sciences 21, no. 23 (2020): 9326. http://dx.doi.org/10.3390/ijms21239326.

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Banana is one of the most important food and fruit crops in the world and its growth is ceasing at 10–17 °C. However, the mechanisms determining the tolerance of banana to mild (>15 °C) and moderate chilling (10–15 °C) are elusive. Furthermore, the biochemical controls over the photosynthesis in tropical plant species at low temperatures above 10 °C is not well understood. The purpose of this research was to reveal the response of chilling-sensitive banana to mild (16 °C) and moderate chilling stress (10 °C) at the molecular (transcripts, proteins) and physiological levels. The results show

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Guralnick, Lonnie J., Gerald Edwards, Maurice S. B. Ku, Brandon Hockema, and Vince Franceschi. "Photosynthetic and anatomical characteristics in the C4crassulacean acid metabolism-cycling plant Portulaca grandiflora." Functional Plant Biology 29, no. 6 (2002): 763. http://dx.doi.org/10.1071/pp01176.

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This paper originates from a presentation at the IIIrd International Congress on Crassulacean Acid Metabolism, Cape Tribulation, Queensland, Australia, August 2001. Portulaca grandiflora (Lind.) is a succulent species with C4 photosynthesis and crassulacean acid metabolism (CAM) cycling in leaves, and CAM-idling type photosynthesis in stems. We investigated the level and localization of carbon fixation enzymes and photosynthetic activity of leaves and stems of P. grandiflora under well-watered and drought conditions. As CAM activity increased during water stress, the leaf water-storage tissue

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Wu, Xiaoying, Rayyan Khan, Huajun Gao, Haobao Liu, Juan Zhang, and Xinghua Ma. "Low Light Alters the Photosynthesis Process in Cigar Tobacco via Modulation of the Chlorophyll Content, Chlorophyll Fluorescence, and Gene Expression." Agriculture 11, no. 8 (2021): 755. http://dx.doi.org/10.3390/agriculture11080755.

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Shading or low light (LL) conditions are a key and necessary cultivation technique in cigar wrapper tobacco production. However, the effect of low light on the photosynthesis in cigar tobacco is not clear. Therefore, this study is designed to know the photosynthesis of cigar tobacco under different light intensities (T200, T100, and T50 μmol m−2 s−1). The results reveal that under low light, T50 especially improved the light interception and increased carbon utilization, as witnessed by a higher specific leaf area and lower specific leaf weight. Low light intensity caused better light intercep

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Chen, Yifan, Qian Bai, Funan Ruan, and Shuchai Su. "Proteomic analysis of differently expressed proteins in sex differentiation phases of flower buds in monoecious Pistacia chinensis Bunge." Israel Journal of Plant Sciences 66, no. 3-4 (2019): 182–95. http://dx.doi.org/10.1163/22238980-20191063.

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The Pistacia chinensis Bunge is traditionally dioecious, and the female trees are more required to grow in practice for oil seed production. The discovery of monoecious P. chinensis Bunge in North China provided good raw materials to study the sex differentiation process. The objective of this study was to identify the differently expressed proteins in flower buds in two key sex differentiation phases in monoecious P. chinensis Bunge. Morphological observation and paraffin section were used to determine the key phenophases, and label-free quantitative technique was used for proteomic analysis.

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Slesak, Ireneusz, Marta Libik, Barbara Karpinska, Stanislaw Karpinski, and Zbigniew Miszalski. "The role of hydrogen peroxide in regulation of plant metabolism and cellular signalling in response to environmental stresses." Acta Biochimica Polonica 54, no. 1 (2007): 39–50. http://dx.doi.org/10.18388/abp.2007_3267.

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Hydrogen peroxide (H2O2) is produced predominantly in plant cells during photosynthesis and photorespiration, and to a lesser extent, in respiration processes. It is the most stable of the so-called reactive oxygen species (ROS), and therefore plays a crucial role as a signalling molecule in various physiological processes. Intra- and intercellular levels of H2O2 increase during environmental stresses. Hydrogen peroxide interacts with thiol-containing proteins and activates different signalling pathways as well as transcription factors, which in turn regulate gene expression and cell-cycle pro

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Gan, Ping, Fang Liu, Rongbai Li, Shaokui Wang, and Jijing Luo. "Chloroplasts— Beyond Energy Capture and Carbon Fixation: Tuning of Photosynthesis in Response to Chilling Stress." International Journal of Molecular Sciences 20, no. 20 (2019): 5046. http://dx.doi.org/10.3390/ijms20205046.

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As organelles for photosynthesis in green plants, chloroplasts play a vital role in solar energy capture and carbon fixation. The maintenance of normal chloroplast physiological functions is essential for plant growth and development. Low temperature is an adverse environmental stress that affects crop productivity. Low temperature severely affects the growth and development of plants, especially photosynthesis. To date, many studies have reported that chloroplasts are not only just organelles of photosynthesis. Chloroplasts can also perceive chilling stress signals via membranes and photorece

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Andresen, Elisa, Lyudmila Lyubenova, Tomáš Hubáček, et al. "Chronic exposure of soybean plants to nanomolar cadmium reveals specific additional high-affinity targets of cadmium toxicity." Journal of Experimental Botany 71, no. 4 (2019): 1628–44. http://dx.doi.org/10.1093/jxb/erz530.

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Abstract Solving the global environmental and agricultural problem of chronic low-level cadmium (Cd) exposure requires better mechanistic understanding. Here, soybean (Glycine max) plants were exposed to Cd concentrations ranging from 0.5 nM (background concentration, control) to 3 µM. Plants were cultivated hydroponically under non-nodulating conditions for 10 weeks. Toxicity symptoms, net photosynthetic oxygen production and photosynthesis biophysics (chlorophyll fluorescence: Kautsky and OJIP) were measured in young mature leaves. Cd binding to proteins [metalloproteomics by HPLC-inductivel

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Dreyer, Anna, Alexander Schackmann, Alexandre Kriznik та ін. "Thiol Redox Regulation of Plant β-Carbonic Anhydrase". Biomolecules 10, № 8 (2020): 1125. http://dx.doi.org/10.3390/biom10081125.

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β-carbonic anhydrases (βCA) accelerate the equilibrium formation between CO2 and carbonate. Two plant βCA isoforms are targeted to the chloroplast and represent abundant proteins in the range of >1% of chloroplast protein. While their function in gas exchange and photosynthesis is well-characterized in carbon concentrating mechanisms of cyanobacteria and plants with C4-photosynthesis, their function in plants with C3-photosynthesis is less clear. The presence of conserved and surface-exposed cysteinyl residues in the βCA-structure urged to the question whether βCA is subject to redox regula

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Jantaro, Saowarath, Paula Mulo, Tove Jansén, Aran Incharoensakdi, and Pirkko Mäenpää. "Effects of long-term ionic and osmotic stress conditions on photosynthesis in the cyanobacterium Synechocystis sp. PCC 6803." Functional Plant Biology 32, no. 9 (2005): 807. http://dx.doi.org/10.1071/fp04219.

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Salinity is considered to be one of the most severe problems in worldwide agricultural production, but the published investigations give contradictory results of the effect of ionic and osmotic stresses on photosynthesis. In the present study, long-term effects of both ionic and osmotic stresses, especially on photosynthesis, were investigated using the moderately halotolerant cyanobacterium Synechocystis sp. PCC 6803. Our results show that the PSII activity and the photosynthetic capacity tolerated NaCl but a high concentration of sorbitol completely inhibited both activities. In line with th

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Yang, Zhuang, Wen Li, Xiao Su, et al. "Early Response of Radish to Heat Stress by Strand-Specific Transcriptome and miRNA Analysis." International Journal of Molecular Sciences 20, no. 13 (2019): 3321. http://dx.doi.org/10.3390/ijms20133321.

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Radish is a crucial vegetable crop of the Brassicaceae family with many varieties and large cultivated area in China. Radish is a cool season crop, and there are only a few heat tolerant radish varieties in practical production with little information concerning the related genes in response to heat stress. In this work, some physiological parameter changes of young leaves under short-term heat stress were detected. Furthermore, we acquired 1802 differentially expressed mRNAs (including encoding some heat shock proteins, heat shock factor and heat shock-related transcription factors), 169 diff

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Li, Pengli, Jing Yu, Ningxiao Feng, et al. "Physiological and Transcriptomic Analyses Uncover the Reason for the Inhibition of Photosynthesis by Phosphate Deficiency in Cucumis melo L." International Journal of Molecular Sciences 23, no. 20 (2022): 12073. http://dx.doi.org/10.3390/ijms232012073.

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Phosphate (Pi) deficiency is a common phenomenon in agricultural production and limits plant growth. Recent work showed that long-term Pi deficiency caused the inhibition of photosynthesis and inefficient electron transport. However, the underlying mechanisms are still unknown. In this study, we used the physiological, histochemical, and transcriptomic methods to investigate the effect of low-Pi stress on photosynthetic gas exchange parameters, cell membrane lipid, chloroplast ultrastructure, and transcriptional regulation of key genes in melon seedlings. The results showed that Pi deficiency

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De Las Rivas, Javier, Mónica Balsera, and James Barber. "Evolution of oxygenic photosynthesis: genome-wide analysis of the OEC extrinsic proteins." Trends in Plant Science 9, no. 1 (2004): 18–25. http://dx.doi.org/10.1016/j.tplants.2003.11.007.

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Soares, José C., Hugo Osório, Manuela Pintado, and Marta W. Vasconcelos. "Effect of the Interaction between Elevated Carbon Dioxide and Iron Limitation on Proteomic Profiling of Soybean." International Journal of Molecular Sciences 23, no. 21 (2022): 13632. http://dx.doi.org/10.3390/ijms232113632.

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Elevated atmospheric CO2 (eCO2) and iron (Fe) availability are important factors affecting plant growth that may impact the proteomic profile of crop plants. In this study, soybean plants treated under Fe-limited (0.5 mM) and Fe-sufficient (20 mM) conditions were grown at ambient (400 μmol mol−1) and eCO2 (800 μmol mol−1) in hydroponic solutions. Elevated CO2 increased biomass from 2.14 to 3.14 g plant−1 and from 1.18 to 2.91 g plant−1 under Fe-sufficient and Fe-limited conditions, respectively, but did not affect leaf photosynthesis. Sugar concentration increased from 10.92 to 26.17 μmol g FW

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Chen, Guangyu E., and C. Neil Hunter. "Protochlorophyllide synthesis by recombinant cyclases from eukaryotic oxygenic phototrophs and the dependence on Ycf54." Biochemical Journal 477, no. 12 (2020): 2313–25. http://dx.doi.org/10.1042/bcj20200221.

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The unique isocyclic E ring of chlorophylls contributes to their role as light-absorbing pigments in photosynthesis. The formation of the E ring is catalyzed by the Mg-protoporphyrin IX monomethyl ester cyclase, and the O2-dependent cyclase in prokaryotes consists of a diiron protein AcsF, augmented in cyanobacteria by an auxiliary subunit Ycf54. Here, we establish the composition of plant and algal cyclases, by demonstrating the in vivo heterologous activity of O2-dependent cyclases from the green alga Chlamydomonas reinhardtii and the model plant Arabidopsis thaliana in the anoxygenic photos

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Qi, Jiayu, Xiaoyun Zhao, and Zhen Li. "iTRAQ-Based Quantitative Proteomic Analysis of the Arabidopsis Mutant opr3-1 in Response to Exogenous MeJA." International Journal of Molecular Sciences 21, no. 2 (2020): 571. http://dx.doi.org/10.3390/ijms21020571.

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Jasmonates (JAs) regulate the defense of biotic and abiotic stresses, growth, development, and many other important biological processes in plants. The comprehensive proteomic profiling of plants under JAs treatment provides insights into the regulation mechanism of JAs. Isobaric tags for relative and absolute quantification (iTRAQ)-based quantitative proteomic analysis was performed on the Arabidopsis wild type (Ws) and JA synthesis deficiency mutant opr3-1. The effects of exogenous MeJA treatment on the proteome of opr3-1, which lacks endogenous JAs, were investigated. A total of 3683 protei

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Rai, Rashmi, Sarita Pandey, Alok Kumar Shrivastava, and Shashi Pandey Rai. "Enhanced Photosynthesis and Carbon Metabolism Favor Arsenic Tolerance in Artemisia annua, a Medicinal Plant as Revealed by Homology-Based Proteomics." International Journal of Proteomics 2014 (April 29, 2014): 1–21. http://dx.doi.org/10.1155/2014/163962.

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This paper provides the first proteomic evidence of arsenic (As) tolerance and interactive regulatory network between primary and secondary metabolism in the medicinal plant, Artemisia annua. While chlorophyll fluorescence and photosynthetic rate depicted mild inhibition, there was a significant enhancement in PSI activity, whole chain, ATP, and NADPH contents in 100 μM As treatments compared to the control plants. However, a decrease in the above variables was recorded under 150 μM treatments. Proteomic decoding of the survival strategy of A. annua under As stress using 2-DE followed by MALDI

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Shelp, Barry J., and David T. Canvin. "Inorganic carbon accumulation and photosynthesis by Chlorella pyrenoidosa." Canadian Journal of Botany 63, no. 7 (1985): 1249–54. http://dx.doi.org/10.1139/b85-172.

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Photosynthesis and intracellular inorganic carbon were measured in air-grown and high CO2 grown Chlorella pyrenoidosa under various environmental and chemical treatments, using a silicone-oil centrifugation technique. At alkaline pH, both cell types accumulated inorganic carbon, presumably [Formula: see text], in a light-dependent and saturable process. The formation of the internal pool was kinetically observed and was used as a substrate for photosynthesis. Rates of carbon influx always exceeded the rates of photosynthesis in air-grown cells, whereas in high CO2 grown cells influx rates clos

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Bach-Pages, Marcel, Felix Homma, Jiorgos Kourelis, et al. "Discovering the RNA-Binding Proteome of Plant Leaves with an Improved RNA Interactome Capture Method." Biomolecules 10, no. 4 (2020): 661. http://dx.doi.org/10.3390/biom10040661.

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RNA-binding proteins (RBPs) play a crucial role in regulating RNA function and fate. However, the full complement of RBPs has only recently begun to be uncovered through proteome-wide approaches such as RNA interactome capture (RIC). RIC has been applied to various cell lines and organisms, including plants, greatly expanding the repertoire of RBPs. However, several technical challenges have limited the efficacy of RIC when applied to plant tissues. Here, we report an improved version of RIC that overcomes the difficulties imposed by leaf tissue. Using this improved RIC method in Arabidopsis l

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Gomez-Casati, Diego F., Maria V. Busi, Julieta Barchiesi, Maria A. Pagani, Noelia S. Marchetti-Acosta, and Agustina Terenzi. "Fe-S Protein Synthesis in Green Algae Mitochondria." Plants 10, no. 2 (2021): 200. http://dx.doi.org/10.3390/plants10020200.

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Iron and sulfur are two essential elements for all organisms. These elements form the Fe-S clusters that are present as cofactors in numerous proteins and protein complexes related to key processes in cells, such as respiration and photosynthesis, and participate in numerous enzymatic reactions. In photosynthetic organisms, the ISC and SUF Fe-S cluster synthesis pathways are located in organelles, mitochondria, and chloroplasts, respectively. There is also a third biosynthetic machinery in the cytosol (CIA) that is dependent on the mitochondria for its function. The genes and proteins that par

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Jhanzab, Hafiz, Abdul Razzaq, Yamin Bibi, et al. "Proteomic Analysis of the Effect of Inorganic and Organic Chemicals on Silver Nanoparticles in Wheat." International Journal of Molecular Sciences 20, no. 4 (2019): 825. http://dx.doi.org/10.3390/ijms20040825.

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Production and utilization of nanoparticles (NPs) are increasing due to their positive and stimulating effects on biological systems. Silver (Ag) NPs improve seed germination, photosynthetic efficiency, plant growth, and antimicrobial activities. In this study, the effects of chemo-blended Ag NPs on wheat were investigated using the gel-free/label-free proteomic technique. Morphological analysis revealed that chemo-blended Ag NPs resulted in the increase of shoot length, shoot fresh weight, root length, and root fresh weight. Proteomic analysis indicated that proteins related to photosynthesis

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Morley, Stewart A., Niaz Ahmad, and Brent L. Nielsen. "Plant Organelle Genome Replication." Plants 8, no. 10 (2019): 358. http://dx.doi.org/10.3390/plants8100358.

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Mitochondria and chloroplasts perform essential functions in respiration, ATP production, and photosynthesis, and both organelles contain genomes that encode only some of the proteins that are required for these functions. The proteins and mechanisms for organelle DNA replication are very similar to bacterial or phage systems. The minimal replisome may consist of DNA polymerase, a primase/helicase, and a single-stranded DNA binding protein (SSB), similar to that found in bacteriophage T7. In Arabidopsis, there are two genes for organellar DNA polymerases and multiple potential genes for SSB, b

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Benjamin, Jenifer Joseph, Begoña Miras-Moreno, Fabrizio Araniti, et al. "Proteomics Revealed Distinct Responses to Salinity between the Halophytes Suaeda maritima (L.) Dumort and Salicornia brachiata (Roxb)." Plants 9, no. 2 (2020): 227. http://dx.doi.org/10.3390/plants9020227.

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Plant resistance to salinity stress is one of the main challenges of agriculture. The comprehension of the molecular and cellular mechanisms involved in plant tolerance to salinity can help to contrast crop losses due to high salt conditions in soil. In this study, Salicornia brachiata and Suaeda maritima, two plants with capacity to adapt to high salinity levels, were investigated at proteome level to highlight the key processes involved in their tolerance to NaCl. With this purpose, plants were treated with 200 mM NaCl as optimal concentration and 500 mM NaCl as a moderate stressing concentr

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Lan, Yanhong, Yao Song, Fei Zhao, et al. "Phylogenetic, Structural and Functional Evolution of the LHC Gene Family in Plant Species." International Journal of Molecular Sciences 24, no. 1 (2022): 488. http://dx.doi.org/10.3390/ijms24010488.

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Light-harvesting chlorophyll a/b-binding (LHC) superfamily proteins play a vital role in photosynthesis. Although the physiological and biochemical functions of LHC genes have been well-characterized, the structural evolution and functional differentiation of the products need to be further studied. In this paper, we report the genome-wide identification and phylogenetic analysis of LHC genes in photosynthetic organisms. A total of 1222 non-redundant members of the LHC family were identified from 42 species. According to the phylogenetic clustering of their homologues with Arabidopsis thaliana

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Lei, Pei, Zhi Liu, Jianxin Li, et al. "Integration of the Physiology, Transcriptome and Proteome Reveals the Molecular Mechanism of Drought Tolerance in Cupressus gigantea." Forests 13, no. 3 (2022): 401. http://dx.doi.org/10.3390/f13030401.

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Drought stress can dramatically impair woody plant growth and restrict the geographical distribution of many tree species. To better understand the dynamics between the response and mechanism of Cupressus gigantea to drought and post-drought recovery, a comparative analysis was performed, relying on physiological measurements, RNA sequencing (RNA-Seq) and two-dimensional gel electrophoresis (2-DE) proteins. In this study, the analyses revealed that photosynthesis was seriously inhibited, while osmolyte contents, antioxidant enzyme activity and non-enzymatic antioxidant contents were all increa

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