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Sun Q, He L, Sun L, Xu HY, Fu YQ, Sun ZY, Zhu BQ, Duan CQ, Pan QH. Identification of SNP loci and candidate genes genetically controlling norisoprenoids in grape berry based on genome-wide association study. FRONTIERS IN PLANT SCIENCE 2023; 14:1142139. [PMID: 36938056 PMCID: PMC10014734 DOI: 10.3389/fpls.2023.1142139] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Accepted: 02/13/2023] [Indexed: 06/18/2023]
Abstract
Obtaining new grapevine varieties with unique aromas has been a long-standing goal of breeders. Norisoprenoids are of particular interest to wine producers and researchers, as these compounds are responsible for the important varietal aromas in wine, characterized by a complex floral and fruity smell, and are likely present in all grape varieties. However, the single-nucleotide polymorphism (SNP) loci and candidate genes genetically controlling the norisoprenoid content in grape berry remain unknown. To this end, in this study, we investigated 13 norisoprenoid traits across two years in an F1 population consisting of 149 individuals from a hybrid of Vitis vinifera L. cv. Muscat Alexandria and V. vinifera L. cv. Christmas Rose. Based on 568,953 SNP markers, genome-wide association analysis revealed that 27 candidate SNP loci belonging to 18 genes were significantly associated with the concentrations of norisoprenoid components in grape berry. Among them, 13 SNPs were confirmed in a grapevine germplasm population comprising 97 varieties, including two non-synonymous mutations SNPs within the VvDXS1 and VvGGPPS genes, respectively in the isoprenoid metabolic pathway. Genotype analysis showed that the grapevine individuals with the heterozygous genotype C/T at chr5:2987350 of VvGGPPS accumulated higher average levels of 6-methyl-5-hepten-2-one and β-cyclocitral than those with the homozygous genotype C/C. Furthermore, VvGGPPS was highly expressed in individuals with high norisoprenoids concentrations. Transient overexpression of VvGGPPS in the leaves of Vitis quinquangularis and tobacco resulted in an increase in norisoprenoid concentrations. These findings indicate the importance of VvGGPPS in the genetic control of norisoprenoids in grape berries, serving as a potential molecular breeding target for aroma.
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Affiliation(s)
- Qi Sun
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Lei He
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Lei Sun
- Beijing Academy of Forestry and Pomology Sciences, Beijing, China
| | - Hai-Ying Xu
- Beijing Academy of Forestry and Pomology Sciences, Beijing, China
| | - Ya-Qun Fu
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Zheng-Yang Sun
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Bao-Qing Zhu
- College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, China
| | - Chang-Qing Duan
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Qiu-Hong Pan
- Center for Viticulture & Enology, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
- Key Laboratory of Viticulture and Enology, Ministry of Agriculture and Rural Affairs, Beijing, China
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Arumugam S, Ramessh C, Kaliappan GK, Govindhan R, Prakasam SB, Murugan S, Pandian S, Asgar E, Ravi P. Lycopersene: A review on extraction, identification and purification and applications. Chem Biol Drug Des 2023; 101:158-174. [PMID: 36377692 DOI: 10.1111/cbdd.14158] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 10/20/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022]
Abstract
Lycopersene is a stable and safe triterpenoid. Lycopersen had utilized as an antioxidant, antimutagenic, antiproliferative, cytotoxicity, antibacterial and pesticide. Obtaining pure Lycopersene from natural sources is very important for fundamental research and the above applications. The present overview provides an up-to-date and comprehensive summary of the various methods used for extraction, isolation and purification of Lycopersene from natural sources with its applications in food, cosmetics and pharmaceutical fields. Many different extraction methods ranging from conventional techniques (e.g. Soxhlet extraction, Maceration and Rotary evaporator) and other advanced extraction technologies (e.g. Solid-phase microextraction, steam distillation with Clevenger, Clevenger apparatus, Chromatography on SiO2 column, centrifuge, sonication) had been used to obtain Lycopersene from flora and fauna. Purification techniques, alone or in combination, have been investigated for isolation and purification of Lycopersene from crude extracts in various natural sources. The review of Lycopersene identified cap areas like purity and application in various fields.
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Affiliation(s)
| | - Chelvi Ramessh
- Department of Agronomy, Agriculture and Research Institute, Madurai, India
| | | | - Rajiv Govindhan
- Department of Crop Management, Kumaraguru Institute of Agriculture, Erode, India
| | | | | | - Sureshkumar Pandian
- CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Cuddalore, India
| | - Ebadollahi Asgar
- Department of Plant Sciences, Moghan College of Agriculture and Natural Resources, University of Mohaghegh Ardabili, Ardabili, Iran
| | - Prasanth Ravi
- CAS in Marine Biology, Faculty of Marine Sciences, Annamalai University, Cuddalore, India
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Welsch R, Li L. Golden Rice—Lessons learned for inspiring future metabolic engineering strategies and synthetic biology solutions. Methods Enzymol 2022; 671:1-29. [DOI: 10.1016/bs.mie.2022.03.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Plant geranylgeranyl diphosphate synthases: every (gene) family has a story. ABIOTECH 2021; 2:289-298. [PMID: 36303884 PMCID: PMC9590577 DOI: 10.1007/s42994-021-00050-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Accepted: 05/18/2021] [Indexed: 12/20/2022]
Abstract
Plant isoprenoids (also known as terpenes or terpenoids) are a wide family of primary and secondary metabolites with multiple functions. In particular, most photosynthesis-related isoprenoids (including carotenoids and chlorophylls) as well as diterpenes and polyterpenes derive from geranylgeranyl diphosphate (GGPP) produced by GGPP synthase (GGPPS) enzymes in several cell compartments. Plant genomes typically harbor multiple copies of differentially expressed genes encoding GGPPS-like proteins. While sequence comparisons allow to identify potential GGPPS candidates, experimental evidence is required to ascertain their enzymatic activity and biological function. Actually, functional analyses of the full set of potential GGPPS paralogs are only available for a handful of plant species. Here we review our current knowledge on the GGPPS families of the model plant Arabidopsis thaliana and the crop species rice (Oryza sativa), pepper (Capsicum annuum) and tomato (Solanum lycopersicum). The results indicate that a major determinant of the biological role of particular GGPPS paralogs is the expression profile of the corresponding genes even though specific interactions with other proteins (including GGPP-consuming enzymes) might also contribute to subfunctionalization. In some species, however, a single GGPPS isoforms appears to be responsible for the production of most if not all GGPP required for cell functions. Deciphering the mechanisms regulating GGPPS activity in particular cell compartments, tissues, organs and plant species will be very useful for future metabolic engineering approaches aimed to manipulate the accumulation of particular GGPP-derived products of interest without negatively impacting the levels of other isoprenoids required to sustain essential cell functions.
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Barja MV, Ezquerro M, Beretta S, Diretto G, Florez-Sarasa I, Feixes E, Fiore A, Karlova R, Fernie AR, Beekwilder J, Rodríguez-Concepción M. Several geranylgeranyl diphosphate synthase isoforms supply metabolic substrates for carotenoid biosynthesis in tomato. THE NEW PHYTOLOGIST 2021; 231:255-272. [PMID: 33590894 DOI: 10.1111/nph.17283] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 02/08/2021] [Indexed: 05/28/2023]
Abstract
Geranylgeranyl diphosphate (GGPP) produced by GGPP synthase (GGPPS) serves as a precursor for many plastidial isoprenoids, including carotenoids. Phytoene synthase (PSY) converts GGPP into phytoene, the first committed intermediate of the carotenoid pathway. Here we used biochemical, molecular, and genetic tools to characterise the plastidial members of the GGPPS family in tomato (Solanum lycopersicum) and their interaction with PSY isoforms. The three tomato GGPPS isoforms found to localise in plastids (SlG1, 2 and 3) exhibit similar kinetic parameters. Gene expression analyses showed a preferential association of individual GGPPS and PSY isoforms when carotenoid biosynthesis was induced during root mycorrhization, seedling de-etiolation and fruit ripening. SlG2, but not SlG3, physically interacts with PSY proteins. By contrast, CRISPR-Cas9 mutants defective in SlG3 showed a stronger impact on carotenoid levels and derived metabolic, physiological and developmental phenotypes compared with those impaired in SlG2. Double mutants defective in both genes could not be rescued. Our work demonstrates that the bulk of GGPP production in tomato chloroplasts and chromoplasts relies on two cooperating GGPPS paralogues, unlike other plant species such as Arabidopsis thaliana, rice or pepper, which produce their essential plastidial isoprenoids using a single GGPPS isoform.
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Affiliation(s)
- M Victoria Barja
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Miguel Ezquerro
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Stefano Beretta
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Gianfranco Diretto
- Italian National Agency for New Technologies, Energy, and Sustainable Development, Casaccia Research Centre, Rome, 00123, Italy
| | - Igor Florez-Sarasa
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Elisenda Feixes
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Alessia Fiore
- Italian National Agency for New Technologies, Energy, and Sustainable Development, Casaccia Research Centre, Rome, 00123, Italy
| | - Rumyana Karlova
- Laboratory of Plant Physiology, Wageningen University and Research, Wageningen, 6700AA, the Netherlands
| | - Alisdair R Fernie
- Max-Planck-Institut für Molekulare Pflanzenphysiologie, Potsdam-Golm, 14476, Germany
| | - Jules Beekwilder
- BU Bioscience, Wageningen University and Research, Wageningen, 6700AA, the Netherlands
| | - Manuel Rodríguez-Concepción
- Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
- Institute for Plant Molecular and Cell Biology (IBMCP), CSIC-Universitat Politècnica de València, València, 46022, Spain
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Welsch R, Zhou X, Koschmieder J, Schlossarek T, Yuan H, Sun T, Li L. Characterization of Cauliflower OR Mutant Variants. FRONTIERS IN PLANT SCIENCE 2019; 10:1716. [PMID: 32038686 PMCID: PMC6985574 DOI: 10.3389/fpls.2019.01716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Accepted: 12/05/2019] [Indexed: 05/19/2023]
Abstract
Cauliflower Orange (Or) mutant is characterized by high level of β-carotene in its curd. Or mutation affects the OR protein that was shown to be involved in the posttranslational control of phytoene synthase (PSY), a major rate-limiting enzyme of carotenoid biosynthesis, and in maintaining PSY proteostasis with the plastid Clp protease system. A transposon integration into the cauliflower wild-type Or gene (BoOR-wt) results in the formation of three differently spliced transcripts. One of them is characterized by insertion (BoOR-Ins), while the other two have exon-skipping deletions (BoOR-Del and BoOR-LD). We investigated the properties of individual BoOR variants and examined their effects on carotenoid accumulation. Using the yeast split-ubiquitin system, we showed that all variants were able to form OR dimers except BoOR-LD. The deletion in BoOR-LD eliminated the first of two adjacent transmembrane domains and was predicted to result in a misplacement of the C-terminal zinc finger domain to the opposite side of membrane, thus preventing OR dimerization. As interaction with PSY is mediated by the N-terminus of BoOR, which remains unaffected after splicing, all BoOR variants including BoOR-LD maintained interactions with PSY. Expression of individual BoOR mutant variants in Arabidopsis revealed that their protein stability varied greatly. While expression of BoOR-Del and BoOR-Ins resulted in increased BoOR protein levels as BoOR-wt, minimal amounts of BoOR-LD protein accumulated. Carotenoid accumulation showed correlated changes in calli of Arabidopsis expressing these variants. Furthermore, we found that OR also functions in E. coli to increase the proportion of native, enzymatically active PSY from plants upon co-expression, but not of bacterial phytoene synthase CrtB. Taken together, these results suggest that OR dimerization is required for OR stability in planta and that the simultaneous presence of PSY interaction-domains in both OR and PSY proteins is required for the holdase function of OR. The more pronounced effect of simultaneous expression of all BoOR variants in cauliflower Or mutant compared with individual overexpression on carotenoid accumulation suggests an enhanced activity with possible formation of various BoOR heterodimers.
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Affiliation(s)
- Ralf Welsch
- Faculty of Biology II, University of Freiburg, Freiburg, Germany
- *Correspondence: Ralf Welsch, ; Li Li,
| | - Xiangjun Zhou
- Robert W. Holley Center for Agriculture and Health, Agricultural Research Service, US Department of Agriculture, Cornell University, Ithaca, NY, United States
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
| | | | - Tim Schlossarek
- Faculty of Biology II, University of Freiburg, Freiburg, Germany
| | - Hui Yuan
- Robert W. Holley Center for Agriculture and Health, Agricultural Research Service, US Department of Agriculture, Cornell University, Ithaca, NY, United States
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
| | - Tianhu Sun
- Robert W. Holley Center for Agriculture and Health, Agricultural Research Service, US Department of Agriculture, Cornell University, Ithaca, NY, United States
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
| | - Li Li
- Robert W. Holley Center for Agriculture and Health, Agricultural Research Service, US Department of Agriculture, Cornell University, Ithaca, NY, United States
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, United States
- *Correspondence: Ralf Welsch, ; Li Li,
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Abstract
A substantial proportion of the dazzling diversity of colors displayed by living organisms throughout the tree of life is determined by the presence of carotenoids, which most often provide distinctive yellow, orange and red hues. These metabolites play fundamental roles in nature that extend far beyond their importance as pigments. In photosynthetic lineages, carotenoids are essential to sustain life, since they have been exploited to maximize light harvesting and protect the photosynthetic machinery from photooxidative stress. Consequently, photosynthetic organisms have evolved several mechanisms that adjust the carotenoid metabolism to efficiently cope with constantly fluctuating light environments. This chapter will focus on the current knowledge concerning the regulation of the carotenoid biosynthetic pathway in leaves, which are the primary photosynthetic organs of most land plants.
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8
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Ruiz-Sola MÁ, Coman D, Beck G, Barja MV, Colinas M, Graf A, Welsch R, Rütimann P, Bühlmann P, Bigler L, Gruissem W, Rodríguez-Concepción M, Vranová E. Arabidopsis GERANYLGERANYL DIPHOSPHATE SYNTHASE 11 is a hub isozyme required for the production of most photosynthesis-related isoprenoids. THE NEW PHYTOLOGIST 2016; 209:252-264. [PMID: 26224411 DOI: 10.1111/nph.13580] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2015] [Accepted: 06/30/2015] [Indexed: 05/21/2023]
Abstract
Most plastid isoprenoids, including photosynthesis-related metabolites such as carotenoids and the side chain of chlorophylls, tocopherols (vitamin E), phylloquinones (vitamin K), and plastoquinones, derive from geranylgeranyl diphosphate (GGPP) synthesized by GGPP synthase (GGPPS) enzymes. Seven out of 10 functional GGPPS isozymes in Arabidopsis thaliana reside in plastids. We aimed to address the function of different GGPPS paralogues for plastid isoprenoid biosynthesis. We constructed a gene co-expression network (GCN) using GGPPS paralogues as guide genes and genes from the upstream and downstream pathways as query genes. Furthermore, knock-out and/or knock-down ggpps mutants were generated and their growth and metabolic phenotypes were analyzed. Also, interacting protein partners of GGPPS11 were searched for. Our data showed that GGPPS11, encoding the only plastid isozyme essential for plant development, functions as a hub gene among GGPPS paralogues and is required for the production of all major groups of plastid isoprenoids. Furthermore, we showed that the GGPPS11 protein physically interacts with enzymes that use GGPP for the production of carotenoids, chlorophylls, tocopherols, phylloquinone, and plastoquinone. GGPPS11 is a hub isozyme required for the production of most photosynthesis-related isoprenoids. Both gene co-expression and protein-protein interaction likely contribute to the channeling of GGPP by GGPPS11.
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Affiliation(s)
- M Águila Ruiz-Sola
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Diana Coman
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - Gilles Beck
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - M Victoria Barja
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Maite Colinas
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - Alexander Graf
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - Ralf Welsch
- Faculty of Biology II, University of Freiburg, Freiburg, 79104, Germany
| | - Philipp Rütimann
- Department of Mathematics, Seminar for Statistics, ETH Zurich, Rämistrasse 101, Zurich, 8092, Switzerland
| | - Peter Bühlmann
- Department of Mathematics, Seminar for Statistics, ETH Zurich, Rämistrasse 101, Zurich, 8092, Switzerland
| | - Laurent Bigler
- Department of Chemistry, University of Zurich, Winterthurerstrasse 190, Zurich, 8057, Switzerland
| | - Wilhelm Gruissem
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
| | - Manuel Rodríguez-Concepción
- Centre for Research in Agricultural Genomics (CRAG), CSIC-IRTA-UAB-UB, Campus UAB Bellaterra, Barcelona, 08193, Spain
| | - Eva Vranová
- Department of Biology, Plant Biotechnology, ETH Zurich, Universitätstrasse 2, Zurich, 8092, Switzerland
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Arabidopsis OR proteins are the major posttranscriptional regulators of phytoene synthase in controlling carotenoid biosynthesis. Proc Natl Acad Sci U S A 2015; 112:3558-63. [PMID: 25675505 DOI: 10.1073/pnas.1420831112] [Citation(s) in RCA: 179] [Impact Index Per Article: 19.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Carotenoids are indispensable natural pigments to plants and humans. Phytoene synthase (PSY), the rate-limiting enzyme in the carotenoid biosynthetic pathway, and ORANGE (OR), a regulator of chromoplast differentiation and enhancer of carotenoid biosynthesis, represent two key proteins that control carotenoid biosynthesis and accumulation in plants. However, little is known about the mechanisms underlying their posttranscriptional regulation. Here we report that PSY and OR family proteins [Arabidopsis thaliana OR (AtOR) and AtOR-like] physically interacted with each other in plastids. We found that alteration of OR expression in Arabidopsis exerted minimal effect on PSY transcript abundance. However, overexpression of AtOR significantly increased the amount of enzymatically active PSY, whereas an ator ator-like double mutant exhibited a dramatically reduced PSY level. The results indicate that the OR proteins serve as the major posttranscriptional regulators of PSY. The ator or ator-like single mutant had little effect on PSY protein levels, which involves a compensatory mechanism and suggests partial functional redundancy. In addition, modification of PSY expression resulted in altered AtOR protein levels, corroborating a mutual regulation of PSY and OR. Carotenoid content showed a correlated change with OR-mediated PSY level, demonstrating the function of OR in controlling carotenoid biosynthesis by regulating PSY. Our findings reveal a novel mechanism by which carotenoid biosynthesis is controlled via posttranscriptional regulation of PSY in plants.
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Shumskaya M, Wurtzel ET. The carotenoid biosynthetic pathway: thinking in all dimensions. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2013; 208:58-63. [PMID: 23683930 PMCID: PMC3672397 DOI: 10.1016/j.plantsci.2013.03.012] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2013] [Revised: 03/15/2013] [Accepted: 03/19/2013] [Indexed: 05/19/2023]
Abstract
The carotenoid biosynthetic pathway serves manifold roles in plants related to photosynthesis, photoprotection, development, stress hormones, and various volatiles and signaling apocarotenoids. The pathway also produces compounds that impact human nutrition and metabolic products that contribute to fragrance and flavor of food and non-food crops. It is no surprise that the pathway has been a target of metabolic engineering, most prominently in the case of Golden Rice. The future success and predictability of metabolic engineering of carotenoids rests in the ability to target carotenoids for specific physiological purposes as well as to simultaneously modify carotenoids along with other desired traits. Here, we ask whether predictive metabolic engineering of the carotenoid pathway is indeed possible. Despite a long history of research on the pathway, at this point in time we can only describe the pathway as a parts list and have almost no knowledge of the location of the complete pathway, how it is assembled, and whether there exists any trafficking of the enzymes or the carotenoids themselves. We discuss the current state of knowledge regarding the "complete" pathway and make the argument that predictive metabolic engineering of the carotenoid pathway (and other pathways) will require investigation of the three dimensional state of the pathway as it may exist in plastids of different ultrastructures. Along with this message we point out the need to develop new types of visualization tools and resources that better reflect the dynamic nature of biosynthetic pathways.
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Affiliation(s)
- Maria Shumskaya
- Department of Biological Sciences, Lehman College, The City University of New York (CUNY), Bronx, NY 10468, USA
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Quinlan RF, Shumskaya M, Bradbury LM, Beltrán J, Ma C, Kennelly EJ, Wurtzel ET. Synergistic interactions between carotene ring hydroxylases drive lutein formation in plant carotenoid biosynthesis. PLANT PHYSIOLOGY 2012; 160:204-14. [PMID: 22786888 PMCID: PMC3440199 DOI: 10.1104/pp.112.198556] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Accepted: 07/01/2012] [Indexed: 05/18/2023]
Abstract
Plant carotenoids play essential roles in photosynthesis, photoprotection, and as precursors to apocarotenoids. The plastid-localized carotenoid biosynthetic pathway is mediated by well-defined nucleus-encoded enzymes. However, there is a major gap in understanding the nature of protein interactions and pathway complexes needed to mediate carotenogenesis. In this study, we focused on carotene ring hydroxylation, which is performed by two structurally distinct classes of enzymes, the P450 CYP97A and CYP97C hydroxylases and the nonheme diiron HYD enzymes. The CYP97A and HYD enzymes both function in the hydroxylation of β-rings in carotenes, but we show that they are not functionally interchangeable. The formation of lutein, which involves hydroxylation of both β- and ε-rings, was shown to require the coexpression of CYP97A and CYP97C enzymes. These enzymes were also demonstrated to interact in vivo and in vitro, as determined using bimolecular fluorescence complementation and a pull-down assay, respectively. We discuss the role of specific hydroxylase enzyme interactions in promoting pathway flux and preventing the formation of pathway dead ends. These findings will facilitate efforts to manipulate carotenoid content and composition for improving plant adaptation to climate change and/or for enhancing nutritionally important carotenoids in food crops.
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Affiliation(s)
| | | | | | - Jesús Beltrán
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York 10468 (R.F.Q., M.S., L.M.T.B., J.B., C.M., E.J.K., E.T.W.); and Graduate School and University Center, City University of New York, New York, New York 10016 (R.F.Q., J.B., E.J.K., E.T.W.)
| | | | - Edward J. Kennelly
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York 10468 (R.F.Q., M.S., L.M.T.B., J.B., C.M., E.J.K., E.T.W.); and Graduate School and University Center, City University of New York, New York, New York 10016 (R.F.Q., J.B., E.J.K., E.T.W.)
| | - Eleanore T. Wurtzel
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York 10468 (R.F.Q., M.S., L.M.T.B., J.B., C.M., E.J.K., E.T.W.); and Graduate School and University Center, City University of New York, New York, New York 10016 (R.F.Q., J.B., E.J.K., E.T.W.)
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12
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Shumskaya M, Bradbury LM, Monaco RR, Wurtzel ET. Plastid localization of the key carotenoid enzyme phytoene synthase is altered by isozyme, allelic variation, and activity. THE PLANT CELL 2012; 24:3725-41. [PMID: 23023170 PMCID: PMC3480298 DOI: 10.1105/tpc.112.104174] [Citation(s) in RCA: 58] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 08/16/2012] [Accepted: 09/05/2012] [Indexed: 05/18/2023]
Abstract
Plant carotenoids have unique physiological roles related to specific plastid suborganellar locations. Carotenoid metabolic engineering could enhance plant adaptation to climate change and improve food security and nutritional value. However, lack of fundamental knowledge on carotenoid pathway localization limits targeted engineering. Phytoene synthase (PSY), a major rate-controlling carotenoid enzyme, is represented by multiple isozymes residing at unknown plastid sites. In maize (Zea mays), the three isozymes were transiently expressed and found either in plastoglobuli or in stroma and thylakoid membranes. PSY1, with one to two residue modifications of naturally occurring functional variants, exhibited altered localization, associated with distorted plastid shape and formation of a fibril phenotype. Mutating the active site of the enzyme reversed this phenotype. Discovery of differential PSY locations, linked with activity and isozyme type, advances the engineering potential for modifying carotenoid biosynthesis.
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Affiliation(s)
- Maria Shumskaya
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York, 10468
| | - Louis M.T. Bradbury
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York, 10468
| | - Regina R. Monaco
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York, 10468
| | - Eleanore T. Wurtzel
- Department of Biological Sciences, Lehman College, City University of New York, Bronx, New York, 10468
- Graduate School and University Center, City University of New York, New York, New York 10016-4309
- Address correspondence to
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Ruiz-Sola MÁ, Rodríguez-Concepción M. Carotenoid biosynthesis in Arabidopsis: a colorful pathway. THE ARABIDOPSIS BOOK 2012; 10:e0158. [PMID: 22582030 PMCID: PMC3350171 DOI: 10.1199/tab.0158] [Citation(s) in RCA: 311] [Impact Index Per Article: 25.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Plant carotenoids are a family of pigments that participate in light harvesting and are essential for photoprotection against excess light. Furthermore, they act as precursors for the production of apocarotenoid hormones such as abscisic acid and strigolactones. In this review, we summarize the current knowledge on the genes and enzymes of the carotenoid biosynthetic pathway (which is now almost completely elucidated) and on the regulation of carotenoid biosynthesis at both transcriptional and post-transcriptional levels. We also discuss the relevance of Arabidopsis as a model system for the study of carotenogenesis and how metabolic engineering approaches in this plant have taught important lessons for carotenoid biotechnology.
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Affiliation(s)
- M. Águila Ruiz-Sola
- Department of Molecular Genetics, Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, 08193 Barcelona, Spain
| | - Manuel Rodríguez-Concepción
- Department of Molecular Genetics, Centre for Research in Agricultural Genomics (CRAG) CSIC-IRTA-UAB-UB, 08193 Barcelona, Spain
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Supply of precursors for carotenoid biosynthesis in plants. Arch Biochem Biophys 2010; 504:118-22. [DOI: 10.1016/j.abb.2010.06.016] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 06/10/2010] [Accepted: 06/11/2010] [Indexed: 01/17/2023]
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15
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Dogbo O, Laferriére A, D'Harlingue A, Camara B. Carotenoid biosynthesis: Isolation and characterization of a bifunctional enzyme catalyzing the synthesis of phytoene. Proc Natl Acad Sci U S A 2010; 85:7054-8. [PMID: 16578835 PMCID: PMC282122 DOI: 10.1073/pnas.85.19.7054] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Phytoene is the first C(40) intermediate in the biogenesis of carotenoids. It is formed by two enzyme activities, catalyzing (i) the coupling of two molecules of geranylgeranyl diphosphate to yield prephytoene diphosphate and (ii) the conversion of prephytoene diphosphate into phytoene. We show now, with Capsicum chromoplast stroma, that the overall activity resides in a single protein, which has been purified to homogeneity by affinity chromatography. The monomeric structure and the molecular size (M(r) 47,500) were demonstrated by NaDodSO(4)/PAGE and glycerol gradient centrifugation. Further characterization was achieved by using specific antibodies which allowed immunofractionation and immunoprecipitation of the enzymatic activity from chromoplast stroma. The two reactions followed conventional Michaelis-Menten kinetics, with K(m) values of 0.30 muM and 0.27 muM, respectively, for geranylgeranyl diphosphate and prephytoene diphosphate. The activity of the enzyme depends strictly upon the presence of Mn(2+). This selectivity may be one of the factors regulating the competition with potentially rival enzymes converting geranylgeranyl diphosphate into other plastid terpenoids. The two enzymatic reactions were inhibited by inorganic pyrophosphate and by the arginine-specific reagent hydroxyphenylglyoxal. In no instance were the two reactions kinetically uncoupled. These properties strongly suggest that the same enzyme catalyzes the two consecutive reactions, and we propose to name it phytoene synthase.
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Affiliation(s)
- O Dogbo
- Laboratoire de Biochimie du Développement Végétal, Associé au Centre National de la Recherche Scientifique, Université Pierre et Marie Curie, 75252 Paris Cedex 05, France
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Wessjohann LA, Brandt W, Thiemann T. Biosynthesis and metabolism of cyclopropane rings in natural compounds. Chem Rev 2003; 103:1625-48. [PMID: 12683792 DOI: 10.1021/cr0100188] [Citation(s) in RCA: 475] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ludger A Wessjohann
- Leibniz Institute of Plant Biochemistry, Weinberg 3, D-06120 Halle, Germany.
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Adam MS, Issa AA. Effect of manganese and calcium deficiency on the growth and oxygen exchange of Scenedesmus intermedius cultured for successive generations. Folia Microbiol (Praha) 2000; 45:353-8. [PMID: 11347260 DOI: 10.1007/bf02817561] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The green alga Scenedesmus intermedius was grown in synchronous culture under manganese or calcium deficiency for six successive generations. The growth rate, pigment and protein contents gradually decreased in comparison with the control. In Mn-deficient cells, the rate of oxygen evolution was sharply decreased. This inhibition was restored to normal in less than 1 h (40-60 min) by adding Mn salt to the suspension medium. In Ca-deficient cells, the inhibition of photosynthesis appears to be irreversible.
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Affiliation(s)
- M S Adam
- Botany Department, Faculty of Science, Assiut University, Assiut, Egypt
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Abstract
Carotenoids are integral and essential components of the photosynthetic membranes in all plants. Within the past few years, genes encoding nearly all of the enzymes required for the biosynthesis of these indispensable pigments have been identified. This review focuses on recent findings as to the structure and function of these genes and the enzymes they encode. Three topics of current interest are also discussed: the source of isopentenyl pyrophosphate for carotenoid biosynthesis, the progress and possibilities of metabolic engineering of plants to alter carotenoid content and composition, and the compartmentation and association of the carotenogenic enzymes. A speculative schematic model of carotenogenic enzyme complexes is presented to help frame and provoke insightful questions leading to future experimentation.
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Affiliation(s)
- F. X. Cunningham
- Department of Microbiology, University of Maryland, College Park, MD 20742; e-mail: ;
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Beyer P, Mayer M, Kleinig H. Molecular oxygen and the state of geometric isomerism of intermediates are essential in the carotene desaturation and cyclization reactions in daffodil chromoplasts. EUROPEAN JOURNAL OF BIOCHEMISTRY 1989; 184:141-50. [PMID: 2776764 DOI: 10.1111/j.1432-1033.1989.tb15000.x] [Citation(s) in RCA: 90] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The membrane-bound carotenogenic reaction sequence in daffodil chromoplasts can be subdivided in vitro into three reaction segments by varying the incubation parameters O2 and light. In the first segment, 15-cis-phytoene is desaturated to 15-cis-zeta-carotene (trans elimination of hydrogen) in the dark and in the presence of O2 as an essential cofactor. A photoisomerization of the 15-cis double bond of the accumulated zeta-carotene to trans is the prerequisite for the function of the second segment, the desaturation to 7,9,9',7'-tetra-cis-lycopene (prolycopene, cis elimination of hydrogen). The role of O2 as an electron acceptor is discussed and evidence for an oxidoreductase acting as a redox mediator between the desaturase (forming the polyene chromophore) and O2 is presented. A certain analogy to the desaturation of stearoyl-carrier protein, which also occurs in plastids, is proposed. The third segment, the cyclization of prolycopene, is active only in the absence of O2 and involves additional cis-trans isomerization reactions.
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Affiliation(s)
- P Beyer
- Institut für Biologie II, Zellbiologie, Universität Freiburg, Federal Republic of Germany
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The isopentenyl-diphosphate Δ-isomerase and its relation to the phytoene synthase complex in daffodil chromoplasts. ACTA ACUST UNITED AC 1988. [DOI: 10.1016/0005-2760(88)90022-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Beyer P, Weiss G, Kleinig H. Solubilization and reconstitution of the membrane-bound carotenogenic enzymes from daffodil chromoplasts. EUROPEAN JOURNAL OF BIOCHEMISTRY 1985; 153:341-6. [PMID: 4076182 DOI: 10.1111/j.1432-1033.1985.tb09308.x] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The membrane-bound carotenogenic enzymes of daffodil (Narcissus pseudonarcissus) chromoplast membranes, i.e. dehydrogenation, cis-trans isomerization and cyclization activities, were solubilized in an enzymatically inactive form using the zwitterionic detergent 3-[(3-cholamidopropyl)-dimethylamino]-1-propanesulfonate (Chaps). Full enzymatic activities were regained upon reconstitution of the solubilized proteins into liposomes. These preparations converted radiolabelled cis-phytoene into beta-carotene in a high yield. The reconstituted enzymatic sequence behaved as a tight 'assembly line'. In the enzymatic sequence of the reconstituted system the cis-trans isomerization reaction occurred on the stage of cis-phytofluene after a dehydrogenation of cis-phytoene.
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Spurgeon SL, Sathyamoorthy N, Porter JW. Isopentenyl pyrophosphate isomerase and prenyltransferase from tomato fruit plastids. Arch Biochem Biophys 1984; 230:446-54. [PMID: 6324686 DOI: 10.1016/0003-9861(84)90425-9] [Citation(s) in RCA: 51] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Isopentenyl pyrophosphate isomerase has been isolated from an extract of tomato fruit plastids and purified 245-fold by fractionation with ammonium sulfate, gel filtration on Bio-Gel A 1.5m, ion-exchange chromatography on DEAE-cellulose, gel filtration on Sephadex G-100, and chromatofocusing. Gel filtration on Sephadex G-100 separated the isopentenyl pyrophosphate isomerase from a prenyltransferase fraction that catalyzed the conversion of isopentenyl pyrophosphate to acid-labile compounds in the presence of dimethylallyl, geranyl, or farnesyl pyrophosphates. The molecular weights of the isopentenyl pyrophosphate isomerase and prenyltransferase were determined to be 34,000 and 64,000, respectively, by gel filtration on Sephadex G-100. The only cofactor required by either the isomerase or the prenyltransferase was a divalent cation, either Mg2+ or Mn2+. Isopentenyl pyrophosphate isomerase could also be totally inactivated by 1 X 10(-3) M iodoacetamide, and this property was utilized in the assay of prenyltransferase activity in the presence of contaminating isomerase. The inactivation of isomerase by iodoacetamide is consistent with the stabilization of isopentenyl pyrophosphate isomerase by dithiothreitol. The Km of isopentenyl pyrophosphate isomerase for isopentenyl pyrophosphate was found to be 5.7 X 10(-6).
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Douce R, Block MA, Dorne AJ, Joyard J. The plastid envelope membranes: their structure, composition, and role in chloroplast biogenesis. Subcell Biochem 1984; 10:1-84. [PMID: 6382702 DOI: 10.1007/978-1-4613-2709-7_1] [Citation(s) in RCA: 58] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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Camara B, Bardat F, Monéger R. Sites of biosynthesis of carotenoids in Capsicum chromoplasts. EUROPEAN JOURNAL OF BIOCHEMISTRY 1982; 127:255-8. [PMID: 7140767 DOI: 10.1111/j.1432-1033.1982.tb06863.x] [Citation(s) in RCA: 57] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Capsicum chromoplasts incubated with isopentenyl diphosphate actively synthesize carotenoids. The enzymes involved in these reactions are compartmentalized: the stroma is the site of phytoene synthesis, the first colourless carotenoid, while desaturation and cyclization of the latter leading to coloured carotenoids, occur in the membrane fraction (chromoplast envelope + achlorophyll lamellae derived in part from the inner envelope membrane). Phytoene synthetase could be used as a marker of chromoplast stroma.
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Kreuz K, Beyer P, Kleinig H. The site of carotenogenic enzymes in chromoplasts from Narcissus pseudonarcissus L. PLANTA 1982; 154:66-69. [PMID: 24275919 DOI: 10.1007/bf00385498] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/1981] [Accepted: 10/08/1981] [Indexed: 06/02/2023]
Abstract
The membranes from the chromoplasts of Narcissus pseudonarcissus L. which are derived from the inner envelope membrane are the site of β-carotene synthesis from [1-(14)C]isopentenyl diphosphate. The enzymes involved are partly peripheral membrane proteins (prenyltransferase, phytoene synthase) and partly integral membrane proteins (cis-trans isomerase, dehydrogenase(s), cyclase(s)). Metabolic channeling is suggested.
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Affiliation(s)
- K Kreuz
- Institut für Biologie II, Zellbiologie, Universität Freiburg, Schänzlestraße 1, D-7800, Freiburg, Federal Republic of Germany
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Beyer P, Kreuz K, Kleinig H. β-Carotene synthesis in isolated chromoplasts from Narcissus pseudonarcissus. PLANTA 1980; 150:435-438. [PMID: 24306896 DOI: 10.1007/bf00390182] [Citation(s) in RCA: 37] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/25/1980] [Accepted: 09/08/1980] [Indexed: 06/02/2023]
Abstract
A system has been established from isolated intact chromoplasts of Narcissus pseudonarcissus flowers that synthesizes geranylgeraniol, an unknown polyprenoid alcohol, phytoene, and β-carotene from [1-(14)C]isopentenyl pyrophosphate in a good yeild. Long chain pyrophosphates are not accumulated. San 6706 inhibits the dehydrogenation of phytoene, whereas nicotine does not lead to an accumulation of lycopene. Separation and identification of polyprenoid lipids was performed by HPLC. The properties and advantages of the chromoplast system are discussed.
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Affiliation(s)
- P Beyer
- Institut für Biologie II, Zellbiologie, Universität Freiburg, Schänzlestraße 1, D-7800, Freiburg, Federal Republic of Germany
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Block MA, Joyard J, Douce R. Site of synthesis of geranylgeraniol derivatives in intact spinach chloroplasts. BIOCHIMICA ET BIOPHYSICA ACTA 1980; 631:210-9. [PMID: 6249390 DOI: 10.1016/0304-4165(80)90069-0] [Citation(s) in RCA: 68] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Chloroplasts isolated from fully developed spinach leaves and incubated in the presence of isopentenyl pyrophosphate were able to synthesize rapidly geranylgeranyl chlorophyll alpha and geranylgeraniol. The biosynthesis of the geranylgeraniol derivatives from isopentenyl pyrophosphate is a compartimentalized process. The membrane fractions (thylakoid and envelope membranes) were essentially unable to synthesize geranylgeraniol, geranylgeranyl pyrophosphate and geranylgeranyl chlorophyll alpha. When stromal and thylakoid fractions were combined the capacity to synthesize geranylgeranyl chlorophyll alpha and geranylgeraniol was restored. When stromal and envelope membrane fractions were combined the capacity to synthesize gernylgeranyl pyrophosphate and geranylgeraniol was restored. The products of the reaction were discharged inside the lipid phase of the membranes.
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Spurgeon SL, Turner RV, Harding RW. Biosynthesis of phytoene from isopentenyl pyrophosphate by a Neurospora enzyme system. Arch Biochem Biophys 1979; 195:23-9. [PMID: 38745 DOI: 10.1016/0003-9861(79)90323-0] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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