Helle Jakobe Martens
Associate Professor
Forest and Bioressources
Rolighedsvej 23
1958 Frederiksberg C
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Bioimaging Techniques Reveal Foliar Phosphate Uptake Pathways and Leaf Phosphorus Status
Arsic, M., Tougaard, Stine Le, Persson, D. P., Martens, Helle Jakobe, Doolette, C. L., Lombi, E., Schjoerring, Jan K. & Husted, Søren, 1 Aug 2020, In: Plant Physiology. 183, 4, p. 1472-1483 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Colwellia echini sp. nov., an agar- and carrageenan-solubilizing bacterium isolated from sea urchin
Christiansen, L., Bech, P. K., Schultz-Johansen, M., Martens, Helle Jakobe & Stougaard, P., 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 2, p. 687-691 5 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Proteomic and microscopic approaches in understanding mechanisms of shell-loosening of shrimp (Pandalus borealis) induced by high pressure and protease
Dang, T. T., Jessen, F., Martens, Helle Jakobe, Gringer, N., Olsen, Karsten, Bøknæs, N. & Orlien, Vibeke, 2019, In: Food Chemistry. 289, p. 729-738 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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CO2 refixation is higher in leaves of woody species with high mesophyll and stomatal resistances to CO2 diffusion
Eckert, D., Martens, Helle Jakobe, Gu, L. & Jensen, A. M., 1 Aug 2021, In: Tree Physiology. 41, 8, p. 1450-1461 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Directionality of Plasmodesmata-Mediated Transport in Arabidopsis Leaves Supports Auxin Channeling
Gao, C., Liu, X., De Storme, N., Jensen, K. H., Xu, Q., Yang, J., Liu, X., Chen, S., Martens, Helle Jakobe, Schulz, Alexander & Liesche, J., 2020, In: Current Biology. 30, 10, p. 1970-1977 8 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Transfer of the cytochrome P450-dependent dhurrin pathway from Sorghum bicolor into Nicotiana tabacum chloroplasts for light-driven synthesis
Gnanasekaran, Thiyagarajan, Karcher, D., Nielsen, A. J. Z., Martens, Helle Jakobe, Ruf, S., Kroop, X., Olsen, C. E., Motawie, Mohammed Saddik, Pribil, Mathias, Møller, Birger Lindberg, Bock, R. & Jensen, Poul Erik, 2016, In: Journal of Experimental Botany. 67, 8, p. 2495-2506 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Upgrading the Nutritional Value of PKC Using a Bacillus subtilis Derived Monocomponent β-Mannanase
Gomez-Osorio, L. M., Nielsen, J. U., Martens, Helle Jakobe & Wimmer, R., 1 Jan 2022, In: Molecules. 27, 2, 14 p., 563.Research output: Contribution to journal › Journal article › Research › peer-review
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Serratia inhibens sp. nov., a new antifungal species isolated from potato (Solanum tuberosum)
Hennessy, Rosanna Catherine, Dichmann, S. I., Martens, Helle Jakobe, Zervas, A. & Stougaard, P., 17 Jun 2020, In: International Journal of Systematic and Evolutionary Microbiology. 70, 7, p. 4204-4211 8 p., 004270.Research output: Contribution to journal › Journal article › Research › peer-review
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Oxidative stress associated with rootstock-scion interactions in pear/quince combinations during early stages of graft development
Irisarri, P., Binczycki, P., Errea, P., Martens, Helle Jakobe & Pina, A., 2015, In: Journal of Plant Physiology. 176, p. 25-35 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Influence of temperature and ageing of ovules and pollen on reproductive success in Trifolium repens L.
Jakobsen, H. B. & Martens, Helle Jakobe, 1994, In: Annals of Botany. 74, p. 493-501 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Accumulation of metabolites during seed development in Trifolium repens L.
Jakobsen, H. B., Martens, Helle Jakobe & Lyshede, O. B., 1994, In: Annals of Botany. 74, p. 409-415 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Identification of an algal xylan synthase indicates that there is functional orthology between algal and plant cell wall biosynthesis
Jensen, J. K., Busse-Wicher, M., Poulsen, C. P., Fangel, J. U., Smith, P. J., Yang, J., Pena, M., Dinesen, M. H., Martens, Helle Jakobe, Melkonian, M., Wong, G. K., Moremen, K. W., Wilkerson, C. G., Scheller, H. V., Dupree, P., Ulvskov, Peter, Urbanowicz, B. R. & Harholt, J., 2018, In: New Phytologist. 218, 3, p. 1049-1060Research output: Contribution to journal › Journal article › Research › peer-review
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Multi-species colloidosomes by surface-modified lactic acid bacteria with enhanced aggregation properties
Jiang, X., Martens, Helle Jakobe, Shekarforoush, E., Muhammed, Musemma Kedir, Whitehead, K. A., Arneborg, Nils & Risbo, Jens, 2022, In: Journal of Colloid and Interface Science. 622, p. 503-514Research output: Contribution to journal › Journal article › Research › peer-review
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Changes in physicochemical properties and volatile compounds of roselle (Hibiscus sabdariffa l.) calyx during different drying methods
Juhari, N. H., Martens, Helle Jakobe & Petersen, Mikael Agerlin, 2021, In: Molecules. 26, 20, 14 p., 6260.Research output: Contribution to journal › Journal article › Research › peer-review
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Active plasma membrane P-type H+-ATPase reconstituted into nanodiscs is a monomer
Justesen, B. H., Hansen, R. W., Martens, Helle Jakobe, Theorin, L., Palmgren, Michael, Martinez, Karen Laurence, Pomorski, Thomas Guenther & Fuglsang, Anja Thoe, 2013, In: Journal of Biological Chemistry. 288, 37, p. 26419-26429 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Changes in texture, microstructure and nutritional quality of carrot slices during blanching and freezing
Kidmose, U. & Martens, Helle Jakobe, 1999, In: Journal of the Science of Food and Agriculture. 79, p. 1747-1753 7 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Characterization of a dynamic metabolon producing the defense compound dhurrin in sorghum
Laursen, Tomas, Borch-Jensen, J., Baden, C. K., Bavishi, K., Torta, F., Martens, Helle Jakobe, Silvestro, D., Hatzakis, Nikos, Wenk, M. R., Dafforn, T. R., Olsen, C. E., Motawie, Mohammed Saddik, Hamberger, B. R., Møller, Birger Lindberg & Bassard, J. A., 2016, In: Science (New York, N.Y.). 354, 6314, p. 890-893 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Symplasmic transport and phloem loading in gymnosperm leaves
Liesche, J., Martens, Helle Jakobe & Schulz, Alexander, 2011, In: Protoplasma. 248, 1, p. 181-190 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Direct Comparison of Leaf Plasmodesma Structure and Function in Relation to Phloem-Loading Type
Liesche, J., Gao, C., Binczycki, P., Andersen, S. R., Rademaker, H., Schulz, Alexander & Martens, Helle Jakobe, 2019, In: Plant Physiology. 179, 4, p. 1768-1778 11 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Developmental changes in cytosolic coupling between epidermis cells as visualized by photoactivation of fluorescein
Liu, X., Martens, Helle Jakobe & Schulz, Alexander, 2006. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Impaired Cuticle Functionality and Robust Resistance to Botrytis cinerea in Arabidopsis thaliana Plants With Altered Homogalacturonan Integrity Are Dependent on the Class III Peroxidase AtPRX71
Lorrai, R., Francocci, F., Gully, K., Martens, Helle Jakobe, De Lorenzo, G., Nawrath, C. & Ferrari, S., 16 Aug 2021, In: Frontiers in Plant Science. 12, 18 p., 696955.Research output: Contribution to journal › Journal article › Research › peer-review
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An integrated microstructural, sensory and instrumental approach to describe potato texture
Martens, Helle Jakobe & Thybo, A. K., 2000, In: Lebensmittel - Wissenschaft und Technologie. 33, 7, p. 471-482 12 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The microstructure of plant foods: a qualitative and quantitative analysis
Martens, Helle Jakobe, 1999, Copenhagen: The Royal Veterinary and Agricultural University, Department of Plant Biology. 50 p.Research output: Book/Report › Ph.D. thesis › Research
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Quantitative microscopy by use of image analysis
Martens, Helle Jakobe, 1997, Dina notat. Ringgaard Kristensen, A. (ed.). 62 ed. Den Kongelige Veterinær- og Landbohøjskole, Institut for Husdyrbrug og Husdyrsundhed, Dinas Forskerskole, p. 19 1 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research
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The use of quantitative microscopy to characterize processed carrot texture
Martens, Helle Jakobe & Kidmose, U., 1998, In: Polish Journal of Food and Nutrition Sciences. 7/48 (2S), p. 37S-42S 6 p.Research output: Contribution to journal › Journal article › Research
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Phloem loading: functionality of plasmodesmata between mesophyll cells and sieve element/companion cell complexes
Martens, Helle Jakobe & Schulz, Alexander, 2003. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Non-invasive investigation into plasmodesmal regulation using novel confocal laser scanning microscopic techniques and caged compounds
Martens, Helle Jakobe, Hansen, M. & Schulz, Alexander, 2002. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Bioimaging of intra- and intercellular ER-membrane flow
Martens, Helle Jakobe & Schulz, Alexander, 2005, Plant Biotech Denmark. Plant Biotech Denmark, KVL, Department of Plant Biology, p. 61 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Quantification of plasmodesmatal endoplasmic reticulum coupling between sieve elements and companion cells using fluorescence redistribution after photobleaching
Martens, Helle Jakobe, Roberts, A. G., Oparka, K. J. & Schulz, Alexander, 2006, In: Plant Physiology. 142, 2, p. 471-480 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Trafficking through plasmodesmata: the communication junctions in plants
Martens, Helle Jakobe, Pina, A., Liu, X. & Schulz, Alexander, 2006. 1 p.Research output: Contribution to conference › Poster › Research
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Photoactivation of caged probes - microinjection without injection
Martens, Helle Jakobe, Hansen, M. & Schulz, Alexander, 2001. 2 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Endomembrane coupling between sieve element and companion cell
Martens, Helle Jakobe, Roberts, A. G., Oparka, K. & Schulz, Alexander, 2006. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Development of a technique for non-invasive monitoring of intracellular phosphate changes in plant cells
Martens, Helle Jakobe, Gu, H., Ytting, C. K., Fuglsang, Anja Thoe & Schulz, Alexander, 2008. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Hvad taler planterne om?
Martens, Helle Jakobe, 2005, In: Naturens Verden. 5, p. 16-21 6 p.Research output: Contribution to journal › Journal article › Communication
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Photoactivation and other fluorescence techniques for studies on graft compatibility
Martens, Helle Jakobe, 2008. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Lab manual for plant anatomy
Martens, Helle Jakobe & Schulz, Alexander, 2005, Frederiksberg: Samfundslitteratur. 46 p.Research output: Book/Report › Compendium/lecture notes › Education
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Intra- and intercellular trafficking via the ER-membrane studied by FRAP
Martens, Helle Jakobe & Schulz, Alexander, 2004, Scientific program and abstratcs. p. 130 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Bioimaging of plant cell-to-cell communication using transgenic tobacco lines
Martens, Helle Jakobe & Schulz, Alexander, 2002, Ikke angivet. The Royal Veterinary and Agricultural University (KVL), 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research
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Bioimaging of phloem loading: connectivity of plasmodesmata between mesophyll cells and sieve element/companion cell complexes
Martens, Helle Jakobe & Schulz, Alexander, 2003. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
- Published
Caged probes – a novel tool in studying the physiological control of plasmodesmal gating
Martens, Helle Jakobe, Hansen, M. & Schulz, Alexander, 2003. 1 p.Research output: Contribution to conference › Poster › Research
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Scanning electron microscopy image in: Food Chemistry 68 (2000),191–199. Hydroperoxide formation in rapeseed oil encapsulated in a glassy food model as influenced by hydrophilic and lipophilic radicals. Authors: V. Orlien, AB Andersen, T Sinkko, LH Skibsted
Martens, Helle Jakobe, 2000Research output: Non-textual form › Sound/Visual production (digital) › Research › peer-review
- Published
Characterization of Top Leader Elongation in Nordmann Fir (Abies nordmanniana)
Martens, Helle Jakobe, Sorensen, S., Burow, Meike & Veierskov, Bjarke, 2019, In: Journal of Plant Growth Regulation. 38, 4, p. 1354-1361Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Development of the strophiole in seeds of white clover (Trifolium repens L.)
Martens, Helle Jakobe, Jakobsen, H. & Lyshede, O., 1995, In: Seed Science Research. 5, p. 171-176Research output: Contribution to journal › Journal article › Research › peer-review
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Endoplasmic reticulum - A functional pathway for cell-to-cell trafficking in plants.
Martens, Helle Jakobe, 2008. 1 p.Research output: Contribution to conference › Poster › Research
- Published
Lab Manual for Plant Anatomy
Martens, Helle Jakobe & Schulz, Alexander, 2007, Faculty of Life Sciences, University of Copenhagen, p. 1-10, 10 p.Research output: Working paper › Research
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Quantification of Symplasmic Phloem Loading Capacity with Live-Cell Microscopy
Martens, Helle Jakobe, Gao, C. & Liesche, J., 2019, Phloem: Methods and Protocols. Liesche, J. (ed.). Vol. 2014. p. 215-221 7 p. (Methods in Molecular Biology).Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- Published
Mikroskopbilleder til: Schulz A. Nok se, men ikke røre, KVL Beretning
Martens, Helle Jakobe, 2001Research output: Non-textual form › Sound/Visual production (digital) › Communication
- Published
Caged probes: a novel tool in studying symplasmic transport in plant tissues
Martens, Helle Jakobe, Hansen, M. & Schulz, Alexander, 2004, In: Protoplasma. 223, 1, p. 63-66 4 p.Research output: Contribution to journal › Journal article › Research › peer-review
- Published
Mikroskopbilleder til: Schulz A.Bioimaging- et vindue til cellernes liv. KVL Forskning
Martens, Helle Jakobe, 2004Research output: Non-textual form › Sound/Visual production (digital) › Communication
ID: 4237290
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Starch bioengineering affects cereal grain germination and seedling establishment
Research output: Contribution to journal › Journal article › Research › peer-review
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342
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Acetylation of cell wall is required for structural integrity of the leaf surface and exerts a global impact on plant stress responses
Research output: Contribution to journal › Journal article › Research › peer-review
Published -
256
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Transfer of the cytochrome P450-dependent dhurrin pathway from Sorghum bicolor into Nicotiana tabacum chloroplasts for light-driven synthesis
Research output: Contribution to journal › Journal article › Research › peer-review
Published