Niels-Ulrik Frigaard
Associate Professor
Marine Biology
Strandpromenaden 5
3000 Helsingør
- Published
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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Subcellular localization of chlorosome proteins in Chlorobium tepidum and characterization of three new chlorosome proteins: CsmF, CsmH, and CsmX
Vassilieva, E. V., Stirewalt, V. L., Jakobs, C. U., Frigaard, Niels-Ulrik, Inoue-Sakamoto, K., Baker, M. A., Sotak, A. & Bryant, D. A., 2002, In: Biochemistry. 41, p. 4358-4370 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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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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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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
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Pheophytinization of bacteriochlorophyll c and energy transfer in cells of Chlorobium tepidum
Tokita, S., Hirota, M., Frigaard, Niels-Ulrik, Shimada, K. & Matsuura, K., 1999, In: Archives of Microbiology. 172, 1, p. 40-44 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Quenching of bacteriochlorophyll fluorescence in chlorosomes from Chloroflexus aurantiacus by exogenous quinones
Tokita, S., Frigaard, Niels-Ulrik, Hirota, M., Shimada, K. & Matsuura, K., 2000, In: Photochemistry and Photobiology. 72, 3, p. 345-350 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
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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Proteomic analysis of the purple sulfur bacterium Candidatus "Thiodictyon syntrophicum" strain Cad16T isolated from Lake Cadagno
Storelli, N., Saad, M. M., Frigaard, Niels-Ulrik, Perret, X. & Tonolla, M., 2014, In: EuPA Open Proteomics. 2, p. 17-30 14 p.Research output: Contribution to journal › Journal article › 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
- 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
- Published
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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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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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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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
- Published
Pigments and proteins in green bacterial chlorosomes studied by matrix-assisted laser desorption ionization mass spectrometry
Persson, S., Sönksen, C. P., Frigaard, Niels-Ulrik, Cox, R. P., Roepstorff, P. & Miller, M., 2000, In: European Journal of Biochemistry. 267, 2, p. 450-456 7 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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Uncovering commensal bacteria-plant interaction: characterisation of bacterial endophytes and their population structures in the model plant Arabidopsis thaliana
Paiva, D. S., Klepac-Ceraj, V., Lemon, K., Kolter, R., Frigaard, Niels-Ulrik, Gautier, L. & Sakuragi, Y., 2009.Research output: Contribution to conference › Conference abstract for conference › Research
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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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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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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
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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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The bchU gene of Chlorobium tepidum encodes the C-20 methyltransferase in bacteriochlorophyll c biosynthesis
Maresca, J. A., Gomez Maqueo Chew, A., Ponsatí, M. R., Frigaard, Niels-Ulrik, Ormerod, J. G. & Bryant, D. A., 2004, In: Journal of Bacteriology. 186, 9, p. 2558-2566 9 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
- Published
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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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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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
[2Fe-2S] Proteins in Chlorosomes: CsmI and CsmJ participate in light-dependent control of energy transfer in Chlorosomes of Chlorobaculum tepidum
Li, H., Frigaard, Niels-Ulrik & Bryant, D. A., 2013, In: Biochemistry. 52, 8, p. 1321-1330 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Multiple antioxidant proteins protect Chlorobaculum tepidum against oxygen and reactive oxygen species
Li, H., Jubelirer, S., Garcia Costas, A. M., Frigaard, Niels-Ulrik & Bryant, D. A., 2009, In: Archives of Microbiology. 191, 11, p. 853-67 14 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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
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Substantial near-infrared radiation-driven photosynthesis of chlorophyll f-containing cyanobacteria in a natural habitat
Kühl, Michael, Trampe, Erik, Moßhammer, Maria, Johnson, M., Larkum, A. W. D., Frigaard, Niels-Ulrik & Koren, K., 2020, In: eLife. 9, 15 p., e50871.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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Synthetic biology of cyanobacteria for production of biofuels and high-value products
Klemenčič, M., Nielsen, A. Z., Sakuragi, Y., Frigaard, Niels-Ulrik, Čelešnik, H., Jensen, Poul Erik & Dolinar, M., 2017, Microalgae-Based Biofuels and Bioproducts: From Feedstock Cultivation to End-Products. Gonzalez-Fernandez, C. & Muñoz, R. (eds.). Duxford, UK: Elsevier Science Inc., p. 305-325 21 p. (Woodhead Publishing Series in Energy).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › 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
[2Fe-2S] Proteins in chlorosomes: redox properties of CsmI, CsmJ, and CsmX of the chlorosome envelope of Chlorobaculum tepidum
Johnson, T. W., Li, H., Frigaard, Niels-Ulrik, Golbeck, J. H. & Bryant, D. A., 2013, In: Biochemistry. 52, 8, p. 1331-1343 13 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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One-step plasmid construction for generation of knock-out mutants in cyanobacteria: studies of glycogen metabolism in Synechococcus sp. PCC 7002
Jacobsen, J. H., Rosgaard, L., Sakuragi, Y. & Frigaard, Niels-Ulrik, 2011, In: Photosynthesis Research. 107, 2, p. 215-221 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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X-ray scattering and electron cryomicroscopy study on the effect of carotenoid biosynthesis to the structure of Chlorobium tepidum chlorosomes
Ikonen, T. P., Li, H., Psencík, J., Laurinmäki, P. A., Butcher, S. J., Frigaard, Niels-Ulrik, Serimaa, R. E., Bryant, D. A. & Tuma, R., 2007, In: Biophysical Journal. 93, 2, p. 620-628 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Sulfur globule oxidation in green sulfur bacteria is dependent on the dissimilatory sulfite reductase system
Holkenbrink, C., Ocón Barbas, S., Mellerup, A., Otaki, H. & Frigaard, Niels-Ulrik, 2011, In: Microbiology. 157, 4, p. 1229-1239 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Rerouting of carbon flux in a glycogen mutant of cyanobacteria assessed via isotopically non-stationary 13C metabolic flux analysis
Hendry, J. I., Prasannan, C., Ma, F., Möllers, B., Jaiswal, D., Digmurti, M., Allen, D. K., Frigaard, Niels-Ulrik, Dasgupta, S. & Wangikar, P. P., Oct 2017, In: Biotechnology and Bioengineering. 114, 10, p. 2298-2308 11 p.Research output: Contribution to journal › Journal article › 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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Proteomic study of Chlorobium clathratiforme in Lago di Cadagno, Switzerland
Habicht, K. S., Miller, M., Nielsen, L. F., Frigaard, Niels-Ulrik & Andersen, J. S., 2009, In: Geochimica et Cosmochimica Acta. p. A484Research output: Contribution to journal › Journal article › Research
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The effect of high concentrations of green sulfur bacteria on the biogeochemical carbon cycle of Lago di Cadagno
Habicht, K. S., Frigaard, Niels-Ulrik, Johnson, B., Andersen, J. S., Falkenby, L. & Miller, M., 2010, In: Geochimica et Cosmochimica Acta. p. A369Research output: Contribution to journal › Journal article › Research
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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
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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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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
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Mutational analysis of three bchH paralogs in (bacterio-)chlorophyll biosynthesis in Chlorobaculum tepidum
Gomez Maqueo Chew, A., Frigaard, Niels-Ulrik & Bryant, D. A., 2009, In: Photosynthesis Research. 101, 1, p. 21-34 13 p.Research output: Contribution to journal › Journal article › Research › peer-review
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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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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
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
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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
Published -
1073
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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