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Relevant bibliographies by topics / Photosynthesis Plant proteins

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Academic literature on the topic 'Photosynthesis Plant proteins'

Author: Grafiati

Published: 4 June 2021

Last updated: 30 January 2023

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Journal articles on the topic "Photosynthesis Plant proteins"

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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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Dissertations / Theses on the topic "Photosynthesis Plant proteins"

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Hendry, Garth S. "Dependence of substrate-water binding on protein and inorganic cofactors of photosystem II /." View thesis entry in Australian Digital Theses Program, 2002. http://thesis.anu.edu.au/public/adt-ANU20041124.140348/index.html.

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Hansson, Maria. "Molecular characterization of protein phosphorylation in plant photosynthetic membranes." Doctoral thesis, Linköping : Linköping University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6665.

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Pwee, Keng-Hock. "Cis- and trans-acting elements involved in pea platocynanin gene expression." Thesis, University of Cambridge, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.239560.

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Heurtel, Thuswaldner Sophie. "Nucleotide-binding Proteins in the Plant Thylakoid Membrane." Licentiate thesis, Linköping Department of Biomedicine and Surgery, Linköping University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-7934.

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Garcia, Cerdan Jose Gines. "Functions of REP27 and the low molecular weight proteins PsbX and PsbW in repair and assembly of photosystem II." Doctoral thesis, Umeå universitet, Kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-19517.

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Oxygenic photosynthesis is the major producer of both oxygen and organic compounds on earth and takes place in plants, green algae and cyanobacteria. The thylakoid membranes are the site of the photosynthetic light reactions that involve the concerted action of four major protein complexes known as photosystem II (PSII), cytochrome b6f complex, ATP synthase and photosystem I (PSI). The function of PSII is of particular interest as it performs the light–driven water splitting reaction driving the photosynthetic electron transport. My thesis addressed different aspects of PSII assembly and the f

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Hernández-Prieto, Miguel Angel. "The Small Cab-like Proteins in the cyanobacterium Synechocystis sp. PCC 6803." Doctoral thesis, Umeå universitet, Kemi, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-25886.

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The Small Cab-like Proteins (SCPs) in the cyanobacterium Synechocystis sp. PCC 6803 accumulate in cells grown under different stress conditions. Genes coding for SCPs have been found in all sequenced organisms performing oxygenic photosynthesis and even in the genomes of cyanophages. Deletion of multiple scp genes in Synechocystis resulted in mutants with severely impaired growth and altered pigment content. These findings indicate the importance of SCPs in photosynthesis; however, their specific function is not well understood. SCPs share a chlorophyll-binding motif with the plant light harve

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Kuntz, Marcel. "Etude de la structure et de l'expression des genomes plastidiaux et du transport des proteines dans les chloroplastes." Université Louis Pasteur (Strasbourg) (1971-2008), 1989. http://www.theses.fr/1989STR13012.

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Etude des genes de trna d'organistes photosynthetiques et determination des sequences nucleotidiques des genes du trna**(t4r)(ggu), trna**(glu)(uuc) et trna**(tyr)(gua) chloroplastiques de feve et des genes des trna**(glu)(uuc), trna**(leu)(uaa), trna**(ser)(gga) et trna**(gly)(ggc) des cyanelles de cyanophora paradoxa. Un intron de classe i a ete mis en evidence dans le gene codant pour le trna**(leu)(uaa) de cyanelles. A l'aide des techniques de fusion de genes et de transformation des plantes, il est apparu que le peptide transit de la pente sous unite de la rubisco permet le transport effi

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Fristedt, Rikard. "Regulatory Functions of Protein Phosphorylation in Plant Photosynthetic Membranes." Doctoral thesis, Linköpings universitet, Cellbiologi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-62303.

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Oxygenic photosynthesis is the process in plants, algae and cyanobacteria which converts light energy from the sun into carbohydrates and at the same time produces oxygen from water. Both carbohydrates and oxygen are essential to sustain life on earth. Sunlight is thus a necessity for life, but it can also cause severe problems for photosynthetic organisms, which have evolved several remarkable acclimation systems to cope with light fluctuations in the environment. In higher plants the light driven reactions of photosynthesis proceed in the chloroplast thylakoid membranes highly organized into

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Shutova, Tatiana. "Photosynthetic water oxidation : the function of two extrinsic proteins." Doctoral thesis, Umeå : Department of Plant Physiology, Umeå Univ, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-1476.

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Campos, Gorgona Nefertiti. "Aislamiento y caracterización del gen de la transglutaminasa de arroz (Oryza sativa)." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/124484.

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En esta tesis se describen los resultados obtenidos en la clonación y caracterización de una nueva transglutaminasa (TGasa) vegetal aislada en arroz (Oryza sativa), la segunda transglutaminasa clonada en plantas y la primera en plantas C3. Las TGasas (E.C.2.3.2.13) son una familia de enzimas que promueven modificaciones postraduccionales de proteínas. Tienen especial importancia debido a sus implicaciones en enfermedades humanas y a sus aplicaciones biotecnológicas de interés industrial. Su investigación en plantas es aún incipiente y hasta la fecha, solo se ha clonado la TGasa cloroplásti

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Books on the topic "Photosynthesis Plant proteins"

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Cogdell, R. J. Tansley review no.109: The structure of photosynthetic complexes in bacteria and plants : an illustration of the importance of protein structure to the future development of plant science. Cambridge University Press, 2000.

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Robert, Carpentier, ed. Photosynthesis research protocols. Humana Press, 2004.

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Carpentier, Robert. Photosynthesis Research Protocols. Humana Press, 2016.

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Carpentier, Robert. Photosynthesis Research Protocols. Humana Press, 2004.

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Book chapters on the topic "Photosynthesis Plant proteins"

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MacKintosh, Carol. "14-3-3 Proteins: From Plant Nitrate Reductase to Wider Roles in Plant Responses to Hormones, Stresses, and Nutrients." In Photosynthesis: Mechanisms and Effects. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_819.

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Liu, Zhenfeng, and Wenrui Chang. "Crystallization Methods of Membrane Proteins: Practical Aspects of Crystallizing Plant Light-Harvesting Complexes." In Biophysical Techniques in Photosynthesis. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8250-4_5.

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Huber, S. C., D. Toroser, H. Winter, G. S. Athwal, and J. L. Huber. "Regulation of Plant Metabolism by Protein Phosphorylation. Possible Regulation of Sucrose-Phosphate Synthase by 14-3-3 Proteins." In Photosynthesis: Mechanisms and Effects. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_818.

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Enami, Isao, Shizue Yoshihara, Hisataka Ohta, and Jian-Ren Shen. "Cross-Reconstitution of Four Extrinsic Proteins From a Red Alga with Higher Plant and Cyanobacterial PSII." In Photosynthesis: Mechanisms and Effects. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_339.

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Knack, Gaby, Beate Otto, Peter Ottersbach, Roland Alexander, Zhonglai Liu, and Klaus Kloppstech. "Structure and Possible Function of Chloroplast Heat-Shock Proteins and the Effect of Cyclic Heat-Shock on Plant Morphogenesis and Circadian Rhythmicity." In Current Research in Photosynthesis. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0511-5_758.

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Parry, Martin A. J., Steven P. Colliver, Pippa J. Madgwick, and Matthew J. Paul. "Manipulation of Photosynthetic Metabolism." In Recombinant Proteins from Plants. Humana Press, 1998. http://dx.doi.org/10.1007/978-1-60327-260-5_17.

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Croce, Roberta. "Chlorophyll-Binding Proteins of Higher Plants and Cyanobacteria." In Photosynthesis. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1579-0_6.

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Geerts, Dirk, Léon van Tegelen, Núria Rodríguez Ciurana, Job Dekker, Mies Borrias, and Peter Weisbeek. "Protein Sorting in Cyanobacteria and Plant Chloroplasts." In Research in Photosynthesis. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-009-0383-8_35.

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Crimi, Massimo, Roberta Croce, Dorianna Sandon, Claudio Varotto, Roberto Simonetto, and Roberto Bassi. "Mutation analysis of either protein or chromophore moieties in Higher Plants Light Harvesting Proteins." In Photosynthesis: Mechanisms and Effects. Springer Netherlands, 1998. http://dx.doi.org/10.1007/978-94-011-3953-3_60.

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Thornber, J. Philip, Gary F. Peter, Parag R. Chitnis, and Alexander Vainstein. "Molecular and Cellular Biology of the Major Light-harvesting Pigment-protein (LHCIIb) of Higher Plants." In Photosynthesis. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74221-7_29.

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Conference papers on the topic "Photosynthesis Plant proteins"

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ПИГАРЕВА, Светлана, Svetlana PIGAREVA, Наталья Зайцева, Natalya Zaitseva, Татьяна ЯГОВЕНКО, and Tat'yana YaGOVENKO. "EFFECT OF THE FUNGICIDE AMISTAR EXTRA ON A NUMBER OF BIOCHEMICAL INDICATORS OF YELLOW LUPIN PLANTS." In Multifunctional adaptive feed production. Federal Williams Research Center of Forage Production and Agroecology, 2019. http://dx.doi.org/10.33814/mak-2019-21-69-40-44.

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The positive impact of fungicide Amistar extra on a number of physiological parameters is shown. Assimilation surface describes a level of photosynthetic potential and netto prod-uctivity of photosynthesis which increased in 1.07 and 1.09 times. Fungicide impact on nitrogen accumulation and dry matter in a plant was set. Decreasing of the total amount of plant pods was recorded. The treatment increased protein content in seeds of var. Prestizh. Tendency for increasing of alkaloid level in yellow lupin seeds and green mass was noticed.

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Kufryk, Galyna. "Regulation of folding of photosynthetic proteins in cyabacteria." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.1332374.

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Sun, Tianhu. "A Highly Conserved ORANGE Protein Elevates Photosynthesis Potential by Regulating Light-Harvesting Pigment Biosynthesis." In ASPB PLANT BIOLOGY 2020. ASPB, 2020. http://dx.doi.org/10.46678/pb.20.989626.

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Reports on the topic "Photosynthesis Plant proteins"

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Christopher, David A., and Avihai Danon. Plant Adaptation to Light Stress: Genetic Regulatory Mechanisms. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7586534.bard.

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Original Objectives: 1. Purify and biochemically characterize RB60 orthologs in higher plant chloroplasts; 2. Clone the gene(s) encoding plant RB60 orthologs and determine their structure and expression; 3. Manipulate the expression of RB60; 4. Assay the effects of altered RB60 expression on thylakoid biogenesis and photosynthetic function in plants exposed to different light conditions. In addition, we also examined the gene structure and expression of RB60 orthologs in the non-vascular plant, Physcomitrella patens and cloned the poly(A)-binding protein orthologue (43 kDa RB47-like protein).

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Barkan, Alice, and Zach Adam. The Role of Proteases in Regulating Gene Expression and Assembly Processes in the Chloroplast. United States Department of Agriculture, 2003. http://dx.doi.org/10.32747/2003.7695852.bard.

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Chloroplasts house many biochemical processes that are essential for plant viability. Foremost, among these is photosynthesis, which requires the protein-rich thylakoid membrane system. The activation of chloroplast genes encoding thylakoid membrane proteins and the targeting and assembly of these proteins together with their nuclear-encoded partners are essential for the elaboration of the thylakoid membrane. Several nuclear-encoded proteins that regulate chloroplast gene expression and that mediate the targeting of proteins to the thylakoid membrane have been identified in recent years, and

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Wolf, Shmuel, and William J. Lucas. Involvement of the TMV-MP in the Control of Carbon Metabolism and Partitioning in Transgenic Plants. United States Department of Agriculture, 1999. http://dx.doi.org/10.32747/1999.7570560.bard.

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The function of the 30-kilodalton movement protein (MP) of tobacco mosaic virus (TMV) is to facilitate cell-to-cell movement of viral progeny in infected plants. Our earlier findings have indicated that this protein has a direct effect on plasmodesmal function. In addition, these studies demonstrated that constitutive expression of the TMV MP gene (under the control of the CaMV 35S promoter) in transgenic tobacco plants significantly affects carbon metabolism in source leaves and alters the biomass distribution between the various plant organs. The long-term goal of the proposed research was t

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Chen, Junping, Zach Adam, and Arie Admon. The Role of FtsH11 Protease in Chloroplast Biogenesis and Maintenance at Elevated Temperatures in Model and Crop Plants. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699845.bard.

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specific objectives of this proposal were to: 1) determine the location, topology, and oligomerization of FtsH11 protease; 2) identify the substrate/s of FtsH11 and the downstream components involved in maintaining thermostability of chloroplasts; 3) identify new elements involved in FtsH11 protease regulatory network related to HT adaptation processes in chloroplast; 4) Study the role of FtsH11 homologs from crop species in HT tolerance. Background to the topic: HT-tolerant varieties that maintain high photosynthetic efficiency at HT, and cope better with daily and seasonal temperature fluctu

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Nechushtai, Rachel, and Parag Chitnis. Role of the HSP70 Homologue from Chloroplasts in the Assembly of the Photosynthetic Apparatus. United States Department of Agriculture, 1993. http://dx.doi.org/10.32747/1993.7568743.bard.

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The major goal of the proposed research was to study the role of a 70-kDa heat shock cognate protein from chloroplasts (ct-HSP70) in the assembly of chlorophyll-protein complexes. The latters are mostly important in allowing photosynthesis to occur. Photosynthesis is at the heart of crop productivity and the knowledge of the biogenesis of the photosynthetic apparatus is essential to manipulate the efficiency of photosynthesis. The characterization of the function of the ct-HSP70 was planned to be studied in vitro by assaying its capability to physically interact with the thylakoid proteins and

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Harman, Gary E., and Ilan Chet. Enhancement of plant disease resistance and productivity through use of root symbiotic fungi. United States Department of Agriculture, 2008. http://dx.doi.org/10.32747/2008.7695588.bard.

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The objectives of the project were to (a) compare effects ofT22 and T-203 on growth promotion and induced resistance of maize inbred line Mol7; (b) follow induced resistance of pathogenesis-related proteins through changes in gene expression with a root and foliar pathogen in the presence or absence of T22 or T-203 and (c) to follow changes in the proteome of Mol? over time in roots and leaves in the presence or absence of T22 or T-203. The research built changes in our concepts regarding the effects of Trichoderma on plants; we hypothesized that there would be major changes in the physiology

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Amir, Rachel, David J. Oliver, Gad Galili, and Jacline V. Shanks. The Role of Cysteine Partitioning into Glutathione and Methionine Synthesis During Normal and Stress Conditions. United States Department of Agriculture, 2013. http://dx.doi.org/10.32747/2013.7699850.bard.

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The objective of this research is to study the nature of the competition for cysteine (Cys), the first organic sulfur-containing compound, between its two main metabolites, glutathione (GSH) and methionine (Met). GSH plays a central role in protecting plants during various stresses, while Met, an essential amino acid, regulates essential processes and metabolites in plant cells through its metabolite S-adenosyl-Met. Our results, which are based on flux analysis and measurements of Met- metabolites, show that the flux towards Met synthesis is high during non-stress conditions, however the flux

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Shahak, Yosepha, and Donald R. Ort. Physiological Bases for Impaired Photosynthetic Performance of Chilling-Sensitive Fruit Trees. United States Department of Agriculture, 2001. http://dx.doi.org/10.32747/2001.7575278.bard.

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Chilling-sensitivity is an important agricultural problem in both the U.S. and Israel. Most research attention has focused so far on herbaceous crop plants, even though the problem is also acute in the fruit tree industry. Under BARD funding we made substantial progress in identifying the mechanisms involved in the disruption of photosynthesis following a chill in mango. Our investigation with fruit trees has been substantially accelerated by drawing on our knowledge and experience with herbaceous crops. The four original research objectives, focused or discovering the underlying mechanisms of

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Nelson, Nathan, and Charles F. Yocum. Structure, Function and Utilization of Plant Photosynthetic Reaction Centers. United States Department of Agriculture, 2012. http://dx.doi.org/10.32747/2012.7699846.bard.

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Light capturing and energy conversion by PSI is one of the most fundamental processes in nature. In the heart of these adaptations stand PSI, PSII and their light harvesting antenna complexes. The main goal of this grant proposal was to obtain by X-ray crystallography information on the structure of plant photosystem I (PSI) and photosystem II (PSII) supercomplexes. We achieved several milestones along this line but as yet, like several strong laboratories around the world, we have no crystal structure of plant PSII. We have redesigned the purification and crystallization procedures and recent

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Kirchhoff, Helmut, and Ziv Reich. Protection of the photosynthetic apparatus during desiccation in resurrection plants. United States Department of Agriculture, 2014. http://dx.doi.org/10.32747/2014.7699861.bard.

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In this project, we studied the photosynthetic apparatus during dehydration and rehydration of the homoiochlorophyllous resurrection plant Craterostigmapumilum (retains most of the photosynthetic components during desiccation). Resurrection plants have the remarkable capability to withstand desiccation, being able to revive after prolonged severe water deficit in a few days upon rehydration. Homoiochlorophyllous resurrection plants are very efficient in protecting the photosynthetic machinery against damage by reactive oxygen production under drought. The main purpose of this BARD project was

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