Niels-Ulrik Frigaard
Associate Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- Published
Chlorobium Tepidum: Insights into the Structure, Physiology, and Metabolism of a Green Sulfur Bacterium Derived from the Complete Genome Sequence
Frigaard, Niels-Ulrik, Chew, A. G. M., Li, H., Maresca, J. A. & Bryant, D. A., 2003, In: Photosynthesis Research. 78, 2, p. 93-117 24 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Chlorobium tepidum mutant lacking bacteriochlorophyll c made by inactivation of the bchK gene, encoding bacteriochlorophyll c synthase
Frigaard, Niels-Ulrik, Voigt, G. D. & Bryant, D. A., 2002, In: Journal of Bacteriology. 184, 12, p. 3368-3376 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Alle bakterier deler gener ved horisontal overførsel
Frigaard, Niels-Ulrik, 2007, In: Dansk Kemi. 88, 5, p. 28-31 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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A model of the protein–pigment baseplate complex in chlorosomes of photosynthetic green bacteria
Pedersen, M. Ø., Linnanto, J., Frigaard, Niels-Ulrik, Nielsen, N. C. & Miller, M., 2010, In: Photosynthesis Research. 104, 2-3, p. 233-243 11 p.Research output: Contribution to journal › Review › Research › peer-review
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Association of bacteriochlorophyll a with the CsmA protein in chlorosomes of the photosynthetic green filamentous bacterium Chloroflexus aurantiacus
Sakuragi, Y., Frigaard, Niels-Ulrik, Shimada, K. & Matsuura, K., 1999, In: BBA General Subjects. 1413, 3, p. 172-180 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Bacteriochlorophyll biosynthesis in green bacteria
Frigaard, Niels-Ulrik, Chew, A. G. M., Maresca, J. A. & Bryant, D. A., 2006, Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics, Functions and Applications. Grimm, B., Porra, R. J., Rüdiger, W. & Scheer, H. (eds.). Berlin: Springer, Vol. 25. p. 201-221Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Bacteriochlorophyllide c C-82 and C-121 methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2007, In: Journal of Bacteriology. 189, 17, p. 6176-6184 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Bacteriochlorophyllide c C-8(2) and C-12(1) Methyltransferases are essential for adaptation to low light in Chlorobaculum tepidum
Chew, A. G. M., Frigaard, Niels-Ulrik & Bryant, D. A., 2007, In: Journal of Bacteriology.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Base treatment of chlorosomes and the regulation of energy transfer in the base-plate
Sakuragi, Y., Matsuura, K., Frigaard, Niels-Ulrik, Miller, M. & Cox, R. P., 1998, In: Plant and Cell Physiology.Research output: Contribution to journal › Journal article › Research
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Bioengineering of carbon fixation, biofuels, and biochemicals in cyanobacteria and plants
Rosgaard, L., de Porcellinis, A. J., Jacobsen, J. H., Frigaard, Niels-Ulrik & Sakuragi, Y., 2012, In: Journal of Biotechnology. 162, 1, p. 134–147 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Biotechnology of anoxygenic phototrophic bacteria
Frigaard, Niels-Ulrik, 2016, Anaerobes in biotechnology. Hatti-Kaul, R., Mamo, G. & Mattiasson, B. (eds.). Springer, p. 139-154 16 p. (Advances in Biochemical Engineering. Biotechnology, Vol. 156).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
CO2 assimilation in the chemocline of Lake Cadagno is dominated by a few types of phototrophic purple sulfur bacteria
Storelli, N., Peduzzi, S., Saad, M., Frigaard, Niels-Ulrik, Perret, X. & Tonolla, M., 2013, In: F E M S Microbiology Ecology. 84, 2, p. 421-432 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Carbon isotope fractionation by anoxygenic phototrophic bacteria in euxinic Lake Cadagno
Posth, Nicole Rita Elisabeth, Bristow, L. A., Cox, R. P., Habicht, K. S., Danza, F., Tonolla, M., Frigaard, Niels-Ulrik & Canfield, D. E., Nov 2017, In: Geobiology. 15, 6, p. 798-816 19 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Chlorosome protein structure and function and the complete genome sequence of Chlorobium tepidum
Bryant, D. A., Frigaard, Niels-Ulrik, Vassilieva, E. V. & Eisen, J. A., 2001, In: Photosynthesis Research.Research output: Contribution to journal › Journal article › Research
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Chlorosomes: The light-harvesting complexes of green bacteria
Vassilieva, E. V., Frigaard, Niels-Ulrik & Bryant, D. A., 2000, In: The Spectrum. 13, p. 7-13Research output: Contribution to journal › Journal article › Research
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Chlorosomes: antenna organelles in photosynthetic green bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2006, Complex Intracellular Structures in Prokaryotes. Shively, J. M. (ed.). Berlin: Springer, Vol. 2. p. 79-114 (Microbiology Monographs, Vol. 2).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Chromosomal gene inactivation in the green sulfur bacterium Chlorobium tepidum by natural transformation
Frigaard, Niels-Ulrik & Bryant, D. A., 2001, In: Applied and Environmental Microbiology. 67, 6, p. 2538-2544 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Community genomics among stratified microbial assemblages in the ocean's interior
DeLong, E. F., Preston, C. M., Mincer, T., Rich, V., Hallam, S. J., Frigaard, Niels-Ulrik, Martinez, A., Sullivan, M. B., Edwards, R., Brito, B. R., Chisholm, S. W. & Karl, D. M., 2006, In: Science. 311, 5760, p. 496-503 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Comparative and functional genomics of anoxygenic green bacteria from the taxa Chlorobi, Chloroflexi, and Acidobacteria
Bryant, D. A., Liu, Z., Li, T., Zhao, F., Klatt, C. G., Ward, D. M., Frigaard, Niels-Ulrik & Overmann, J., 2012, Functional genomics and evolution of photosynthetic systems. Burnap, R. L. & Vermaas, W. F. J. (eds.). Springer, p. 47-102 56 p. (Advances in Photosynthesis and Respiration, Vol. 33).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Comparative proteomics and activity of a green sulfur bacterium across the water column of Lake Cadagno, Switzerland
Habicht, K. S., Miller, M., Cox, R. P., Frigaard, Niels-Ulrik, Tonolla, M., Peduzzi, S., Falkenby, L. G. & Andersen, J. S., 2011, In: Environmental Microbiology. 13, 1, p. 203-215 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Complete genome of Ignavibacterium album, a metabolically versatile, flagellated, facultative anaerobe from the phylum Chlorobi
Liu, Z., Frigaard, Niels-Ulrik, Vogl, K., Iino, T., Ohkuma, M., Overmann, J. & Bryant, D. A., 2012, In: Frontiers in Microbiology. 3, 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Complete genome sequence of "Thiodictyon syntrophicum" sp. nov. strain Cad16T, a photolithoautotrophic purple sulfur bacterium isolated from the alpine meromictic Lake Cadagno
Luedin, S. M., Pothier, J. F., Danza, F., Storelli, N., Frigaard, Niels-Ulrik, Wittwer, M. & Tonolla, M., 9 May 2018, In: Standards in Genomic Sciences. 13, 14.Research output: Contribution to journal › Journal article › Research › peer-review
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Complete genome sequence of the photoautotrophic and bacteriochlorophyll e-synthesizing green sulfur bacterium Chlorobaculum limnaeum DSM 1677T
Tank, M., Liu, Z., Frigaard, Niels-Ulrik, Tomsho, L. P., Schuster, S. C. & Bryant, D. A., Jun 2017, In: Genome Announcements. 5, 24, 2 p., e00529-17.Research output: Contribution to journal › Journal article › Research
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Cyanobacterial biomass as carbohydrate and nutrient feedstock for bioethanol production by yeast fermentation
Möllers, K. B., Cannella, D., Jørgensen, H. & Frigaard, Niels-Ulrik, 2014, In: Biotechnology for Biofuels. 7, 64, 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Determination of the glycogen content in cyanobacteria
Porcellinis, A. D., Frigaard, Niels-Ulrik & Sakuragi, Y., 2017, In: Journal of Visualized Experiments. 125, e56068.Research output: Contribution to journal › Journal article › Research › peer-review
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Dominance of a clonal green sulfur bacterial population in a stratified lake
Gregersen, Lea Haarup, Habicht, K. S., Peduzzi, S., Tonolla, M., Canfield, D. E., Miller, M., Cox, R. P. & Frigaard, Niels-Ulrik, 2009, In: FEMS Microbiology Ecology. 70, 1, p. 30-41 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Draft Genome Sequence of Chromatium okenii Isolated from the Stratified Alpine Lake Cadagno
Luedin, S. M., Liechti, N., Cox, R. P., Danza, F., Frigaard, Niels-Ulrik, Posth, Nicole Rita Elisabeth, Pothier, J. F., Roman, S., Storelli, N., Wittwer, M. & Tonolla, M., 2019, In: Scientific Reports. 9, 14 p., 1936 .Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of alkaline treatment on bacteriochlorophyll a, quinones, and energy transfer in chlorosomes from Chlorobium tepidum and Chlorobium phaeobacteroides
van Walree, C. A., Sakuragi, Y., Steensgaard, D. B., Bösinger, C. S., Frigaard, Niels-Ulrik, Cox, R. P., Holzwarth, A. R. & Miller, M., 1999, In: Photochemistry and Photobiology. 69, p. 322-328 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of alkaline treatment on bacteriochlorophyll a, quinones and energy transfer in chlorosomes from Chlorobium tepidum and Chlorobium phaeobacteroides
Van Walree, C. A., Sakuragi, Y., Steensgaard, D. B., Bösinger, C. S., Frigaard, Niels-Ulrik, Cox, R. P., Holzwart, A. R. & Miller, M., 1 Jan 1999, In: Photochemistry and Photobiology. 69, 3, p. 322-328 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Electronic energy transfer involving carotenoid pigments in chlorosomes of two green bacteria: Chlorobium tepidum and Chloroflexus aurantiacus
Melø, T. B., Frigaard, Niels-Ulrik, Matsuura, K. & Razi Naqvi, K., 2000, In: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 56, 10, p. 2001-2010 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Engineering of photosynthetic mannitol biosynthesis from CO2 in a cyanobacterium
Jacobsen, J. H. & Frigaard, Niels-Ulrik, 2014, In: Metabolic Engineering. 21, p. 60-70 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Exogenous quinones inhibit photosynthetic electron transfer in Chloroflexus aurantiacus by specific quenching of the excited bacteriochlorophyll c antenna
Frigaard, Niels-Ulrik, Tokita, S. & Matsuura, K., 1999, In: BBA General Subjects. 1413, 3, p. 108-116 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Gene Inactivation in the Cyanobacterium Synechococcus sp. PCC 7002 and the Green Sulfur Bacterium Chlorobium tepidum Using In Vitro-Made DNA Constructs and Natural Transformation
Frigaard, Niels-Ulrik, Sakuragi, Y. & Bryant, D. A., 2004, In: Methods in Molecular Biology. 274, p. 325-340 15 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genetic manipulation of carotenoid biosynthesis in the green sulfur bacterium Chlorobium tepidum
Frigaard, Niels-Ulrik, Maresca, J. A., Yunker, C. E., Jones, A. D. & Bryant, D. A., 2004, In: Journal of Bacteriology. 186, 16, p. 5210-5220 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genomic Insights into the Sulfur Metabolism of Phototrophic Green Sulfur Bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2008, In: Advances in Photosynthesis and Respiration. 27, p. 337-355 18 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Genomic analysis reveals key aspects of prokaryotic symbiosis in the phototrophic consortium "Chlorochromatium aggregatum"
Liu, Z., Müller, J., Li, T., Alvey, R. M., Vogl, K., Frigaard, Niels-Ulrik, Rockwell, N. C., Boyd, E. S., Tomsho, L. P., Schuster, S. C., Henke, P., Rohde, M., Overmann, J. & Bryant, D. A., 2013, In: Genome Biology (Online Edition). 14, 11, 16 p., R127 .Research output: Contribution to journal › Journal article › Research › peer-review
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Genomic and Evolutionary Perspectives on Sulfur Metabolism in Green Sulfur Bacteria
Frigaard, Niels-Ulrik & Bryant, D. A., 2008, Microbial Sulfur Metabolism. Springer, p. 60-76 16 p.Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research
- Published
Identification of the bchP gene, encoding geranylgeranyl reductase in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2008, In: Journal of Bacteriology. 190, 2, p. 747-749 3 p.Research output: Contribution to journal › Journal article › Research › peer-review
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In situ high-resolution structure of the baseplate antenna complex in Chlorobaculum tepidum
Nielsen, J. T., Kulminskaya, N. V., Bjerring, M., Linnanto, J. M., Rätsep, M., Pedersen, M. Ø., Lambrev, P. H., Dorogi, M., Garab, G., Thomsen, K., Jegerschöld, C., Frigaard, Niels-Ulrik, Lindahl, M. & Nielsen, N. C., 2016, In: Nature Communications. 7, 12 p., 12454.Research output: Contribution to journal › Journal article › Research › peer-review
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In situ solid-state NMR spectroscopy of protein in heterogeneous membranes: the baseplate antenna complex of Chlorobaculum tepidum
Kulminskaya, N., Pedersen, M. Ø., Bjerring, M., Underhaug, J., Miller, M., Frigaard, Niels-Ulrik, Nielsen, J. T. & Nielsen, N. C., 2012, In: Angewandte Chemie International Edition. 51, 28, p. 6891-6895 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Isolation and Characterization of Carotenosomes from a Bacteriochlorophyll c-less Mutant of Chlorobium tepidum
Frigaard, Niels-Ulrik, Li, H., Martinsson, P., Das, S. K., Frank, H. A., Aartsma, T. J. & Bryant, D. A., 2005, In: Photosynthesis Research. 86, 1-2, p. 101-11 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Isolation and characterization of csmH, a chlorosome envelope protein, from the green sulfur bacterium Chlorobium tepidum
Milks, K. J., Frigaard, Niels-Ulrik & Bryant, D. A., 2002, In: Abstracts of the General Meeting of the American Society for Microbiology.Research output: Contribution to journal › Journal article › Research
- Published
Lake Cadagno: microbial life in crenogenic meromixis
Tonolla, M., Storelli, N., Danza, F., Gulati, R. D. (ed.), Ravasi, D., Peduzzi, S., Posth, Nicole Rita Elisabeth, Cox, R. P., Jørgensen, M. F., Gregersen, Lea Haarup, Daugbjerg, Niels & Frigaard, Niels-Ulrik, 2017, Ecology of Meromictic Lakes. Gulati, R. D., Zadereev, E. S. & Degermendzhi, A. G. (eds.). Springer, p. 155-186 32 p. (Ecological Studies, Vol. 228).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Light-driven oxidation of polysaccharides by photosynthetic pigments and a metalloenzyme
Cannella, D., Möllers, K. B., Frigaard, Niels-Ulrik, Jensen, Poul Erik, Bjerrum, Morten Jannik, Johansen, Katja Salomon & Felby, C., 2016, In: Nature Communications. 7, 11134.Research output: Contribution to journal › Journal article › Research › peer-review
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Location and function of isoprenoid quinones in chlorosomes from green sulfur bacteria
Frigaard, Niels-Ulrik, Matsuura, K., Hirota, M., Miller, M. & Cox, R. P., 1998, In: Plant and Cell Physiology.Research output: Contribution to journal › Journal article › Research
- Published
Mechanisms and evolution of oxidative sulfur metabolism in green sulfur bacteria
Gregersen, Lea Haarup, Bryant, D. A. & Frigaard, Niels-Ulrik, 2011, In: Frontiers in Microbiology. 2, 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Membrane inlet manometry for the measurement of water activity in aqueous and organic solutions
Degn, H. & Frigaard, Niels-Ulrik, 1993, In: Analytica Chimica Acta. 274, p. 355-359 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Menaquinone-7 in the reaction center complex of the green sulfur bacterium Chlorobium vibrioforme functions as the electron acceptor A1
Kjaer, B., Frigaard, Niels-Ulrik, Yang, F., Zybailov, B., Miller, M., Golbeck, J. H. & Scheller, H. V., 1998, In: Biochemistry. 37, 10, p. 3237-3242 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mikroorganismer på gen-indkøb
Frigaard, Niels-Ulrik, 2006, In: Aktuel Naturvidenskab. 4, p. 15 1 p.Research output: Contribution to journal › Journal article › Research
- Published
Molecular contacts for chlorosome envelope proteins revealed by cross-linking studies with chlorosomes from Chlorobium tepidum
Li, H., Frigaard, Niels-Ulrik & Bryant, D. A., 2006, In: Biochemistry. 45, 30, p. 9095-9103 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4633
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Cyanobacterial biomass as carbohydrate and nutrient feedstock for bioethanol production by yeast fermentation
Research output: Contribution to journal › Journal article › Research › peer-review
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1072
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Proteomic analysis of the purple sulfur bacterium Candidatus "Thiodictyon syntrophicum" strain Cad16T isolated from Lake Cadagno
Research output: Contribution to journal › Journal article › Research › peer-review
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Genomic analysis reveals key aspects of prokaryotic symbiosis in the phototrophic consortium "Chlorochromatium aggregatum"
Research output: Contribution to journal › Journal article › Research › peer-review
Published