Publications
(* corresponding author)
2024
111. Castro-Morales, K.*, Canning, A., Arzberger, S., Kaiser, J., Overholt, W.A., Sellmaier, S., Khodabakhshi, N., Redlich, S., Marca, A., Kolle, O., Göckede, M., Wichard, T., Küsel, K., Körtzinger, A., Zimov, N. Aquatic productivity signals in the Kolyma River (northeastern Siberia) from O2/Ar ratios and O2 triple isotopologues. ESS Open Archive. Under review
110. Ghaderiardakani, F., Ulrich, J. F., Barth, E., Quartino,M.L., Wichard, T.* (2024) Algal growth and morphogenesis-promoting factors released by cold-adapted bacteria contribute to the resilience and morphogenesis of the seaweed Ulva (Chlorophyta) in Antarctica (Potter Cove). Journal of Plant Growth Regulation. https://doi.org/10.1007/s00344-024-11507-4External link
This content was previously published as a preprint on BioRxiv. Cambridge: Cambridge Open Engage; 2024 BioRxiv. https://doi.org/10.1101/2024.07.05.601910External link
109. Saha, M., Dittami, S.M, Chan, C.X., Raina, J.B., Stock, W., Ghaderiardakani, F., VB AM, Corr, S., Schleyer, G., Todd, J., Cardini, U., Bengtsson, M.M., Prado, S., Skillings, D., Sonnenschein, E.C., Engelen, A.H., Wang, G., Wichard, T., Brodie, J., Leblanc, C., Egan, S.* (2024) Progress and future directions for seaweed holobiont research. New Phytologist 244: 364-376. https://doi.org/10.1111/nph.20018External link
108. Schultz, C., Zopf, D., Holzinger, A., Silge, A., Meyer-Zedler, T., Schmitt, M., Wichard T.*, Popp, J.* (2024) Raman spectral analysis in the CHx-stretching region as a guiding beacon for non-targeted, disruption-free monitoring of germination and biofilm formation in the green seaweed Ulva. ChemPhysChem 7:e202400173. https://doi.org/10.1002/cphc.202400173External link
107. Hardegen, J., Bräutigam, P., Michael, S., Hüttig, K., Wichard, T.* (2024) Können Mikroschadstoffe entfernt werden? Das Abbauverhalten von Bisphenol A. KA-Betriebs-Info 54:3478-3482.
106. Hmani, I., Ghaderiardakani, F., Ktari, L., El Bour, M., Wichard, T.* (2024) High-temperature stress induces bacteria-specific adverse and reversible effects on Ulva (Chlorophyta) growth and its chemosphere in a reductionist model system. Botanica Marina 67:131–138. https://doi.org/10.1515/bot-2023-0053External link
105. Hmani, I.*, Ktari, L., Sadok, S., Wichard, T., Bour, M.E. (2024) The Alien Species Ulva ohnoi: New Geographical Record from the Northern Coast of Tunisia, DNA Barcoding, Nutrient Analysis and Biological Activities. In: Ksibi, M., et al. Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (4th Edition). EMCEI 2022. Advances in Science, Technology & Innovation. Springer, Cham. https://doi.org/10.1007/978-3-031-51904-8_64External link
104. Steinhagen, S.*, Wichard, T., Blomme, J.* (2024) Phylogeny and ecology of the green seaweed Ulva. Botanica Marina 67:89-92. https://doi.org/10.1515/bot-2024-0005External link
103. Wienecke, P., Ulrich, J. F., Morales-Reyes, C. F., Dhiman, S., Wichard, T.*, Arndt, H.-D.* (2024) Enantioselective Total Synthesis of the Morphogen (−)-Thallusin and Mediated Uptake of Fe(III) into the Green Seaweed Ulva. Chemistry European Journal 18:e202304007. https://doi.org/10.1002/chem.202304007External link
This content was previously published as a preprint on ChemRxiv. Cambridge: Cambridge Open Engage; 2023. 10.26434/chemrxiv-2023-jr19nExternal link
102. Volodin, I.A., Wulf, K., Tzschoeckell, F., Stumpf, S., Hoeppener, S., Fritz, N., Morales-Reyes, C.F., Wichard, T., Ueberschaar, N., Stolze, C. and Hager, M.D., Schubert, U. S.* (2024) Evaluation of in situ thermal stability assessment for flow batteries and deeper investigation of the ferrocene co-polymer. Journal of Materials Chemistry A 12:4806-4825. https://doi.org/10.1039/D3TA05809CExternal link
2023
101. Blomme, J., Wichard, T., Jacobs, T. B., De Clerck, O.* (2023) Ulva: An emerging green seaweed model for systems biology. Journal of Phycology 59:433–440. https://doi.org/10.1111/jpy.13341External link
100. Hardegen, J., Amend, G., Wichard, T.* (2023) Lifecycle-dependent toxicity and removal of micropollutants in algal cultures of the green seaweed Ulva (Chlorophyta). Journal of Applied Phycology 35:2031–2048. https://link.springer.com/article/10.1007/s10811-023-02936-xExternal link
99. KleinJan, H., Frioux, C., Califano, G., Aite, M., Fremy, E., Karimi, E., Corre, E., Wichard, T., Anne Siegel, A., Catherine Boyen, C., Dittami, S.M.* (2023) Insights into the potential for mutualistic and harmful host-microbe interactions affecting brown alga freshwater acclimation. Molecular Ecology 32:703-723. https://onlinelibrary.wiley.com/doi/full/10.1111/mec.16766External link
98. Wichard, T. (2023) From model organism to application: Bacteria-induced growth and development of the green seaweed Ulva and the potential of microbe leveraging in algal aquaculture. Seminars in Cell & Developmental Biology 134:69-78. https://doi.org/10.1016/j.semcdb.2022.04.007External link
2022
97. Ulrich,J.F., Gräfe, M.S., Dhiman, S., Wienecke, P., Arndt, H.-D., Wichard, T. * (2022) Thallusin quantification in marine bacteria and algae cultures. Marine Drugs 20:690 https://doi.org/10.3390/md20110690External link
96. Morales-Reyes, C., Ghaderiardakani, F., Wichard, T.* (2022) Genome sequence of Halomonas sp. strain MS1, a metallophore-producing, algal growth-promoting marine bacterium isolated from the green seaweed Ulva mutabilis (Chlorophyta). Microbiology Resource Announcements e00685-22 https://doi.org/10.1128/mra.00685-22External link
95. Dhiman, S., Ulrich, J.F., Wienecke, P., Wichard, T., Arndt H-D.* (2022) Stereoselective total synthesis of (‒)-thallusin for bioactivity profiling. Angewandte Chemie International Edition 134:e202206746. https://doi.org/10.1002/anie.202206746External link
94. Mohr, J.F., Gama, S.*, Roy, S., Bellenger J.-B., Plass, W.*, Wichard, T.* (2022) Hydroxypyridinones in nitrogen-fixing bacterial cultures: a metal buffer for molybdenum and simulation of natural conditions. Metallomics 14:mfac055. https://doi.org/10.1093/mtomcs/mfac055External link
93. Moghaddam, J.A., Guo, H., Willing, K., Wichard, T., Beemelmanns, C.* (2022) Identification of the new prenyltransferase Ubi-297 from marine bacteria and elucidation of its substrate specificity. Beilstein Journal of Organic Chemistry 18:722–731. https://doi.org/10.3762/bjoc.18.72External link
92. Ghaderiardakani, F., Langhans, L., Kurbel, V.B., Fenizia, S., Wichard, T.* (2022) Metabolite profiling reveals insights into the species-dependent cold stress response of the green seaweed holobiont Ulva (Chlorophyta). Environmental and Experimental Botany 200:104913. https://doi.org/10.1016/j.envexpbot.2022.104913External link
91. Obolski, U.*, Wichard, T., Israel, A., Golberg, A., and Liberzon, A.* (2022) Modeling the growth and sporulation dynamics of the macroalga Ulva in mixed-age populations in cultivation and the formation of green tides. Biogeosciences 19:2263–2271. https://doi.org/10.5194/bg-19-2263-2022External link
90. Kwantes, M.*, Wichard, T.* (2022) The APAF1_C/WD40 repeat domain-encoding gene from the sea lettuce Ulva mutabilis sheds light on the evolution of NB-ARC domain-containing proteins in green plants. Planta 255:76. https://doi.org/10.1007/s00425-022-03851-0External link
89. Iličić, D., Woodhouse, J.N., Karsten, U., Zimmermann, J., Wichard, T., Quartino, M.L., Campana, G.L., Livenets, A. and Grossart, H.P.* (2022) Antarctic glacial meltwater impacts the diversity of fungal parasites associated with benthic diatoms in shallow coastal zones. Frontiers in Microbiology 13:805694. https://doi: 10.3389/fmicb.2022.805694External link
88. Liu, X., Blomme, J., Bogaert, K., D’hondt, S., Wichard, T., Deforce, D., Van Nieuwerburgh, F., De Clerck, O* (2022) Transcriptional profiling of gametogenesis in the green seaweed Ulva mutabilis identifies an RWP-RK transcription factors linked to reproduction. BMC Plant Biology 22:19. https://doi.org/10.1186/s12870-021-03361-3External link
87. Castro-Morales, K.*, Canning, A., Körtzinger, A., Göckede, M., Küsel, K., Overholt, A., Wichard, T., Redlich, S., Arzberger, S., Kolle, O., Zimov N. (2022) Effects of reversal of water flow in an Arctic floodplain river on fluvial emissions of CO2 and CH4. Journal of Geophysical Research: Biogeosciences 127: e2021JG006485. https://doi.org/10.1029/2021JG006485External link
2021
86. Hardegen, J., Braeutigam, P., Abendroth, C.*, Wichard, T.* (2021) Bisphenol A: Quantification in Complex Matrices and Removal by Anaerobic Sludges. Pollutants 1, 194-206. https://doi.org/10.3390/pollutants1040016External link
85. Cai, C.*, Gu, K., Zhao, H., Steinhagen, S., He, P., Wichard, T.* (2021) Screening and verification of extranuclear genetic markers in green tide algae from the Yellow Sea. PLoS ONE 16(6): e0250968. https://doi.org/10.1371/journal.pone.0250968External link
84. Vallet, M.*, Kaftan, F., Grabe, V., Ghaderiardakani, F., Fenizia, S., Svatoš, A., Pohnert, G., Wichard, T.* (2021) A new glance at the chemosphere of macroalgal–bacterial interactions: In situ profiling of metabolites in symbiosis by mass spectrometry. Beilstein Journal of Organic Chemistry 17:1313–1322. doi:10.3762/bjoc.17.91External link
83. Mohr, J.F., Baldeweg, F., Deicke, M., Morales-Reyes, C.F., Hoffmeister, D., Wichard, T.* (2021) Frankobactin metallophores produced by nitrogen-fixing Frankia Actinobacteria function in toxic metal sequestration Journal of Natural Products. 84:1216-1225. DOI: 10.1021/acs.jnatprod.0c01291External link
82. Nahor, O., Morales-Reyes, C., Califano, G., Wichard, T.*, Golberg, A., Israel, Á. (2021) Flow cytometric measurements as a proxy for sporulation intensity in the cultured macroalga Ulva (Chlorophyta). Botanica Marina 64:83-92. https://doi.org/10.1515/bot-2020-0050External link
81. Wichard, T. (2021) Chemisch vermittelte Wechselwirkungen zwischen der marinen Makroalge Ulva (Chlorophyta) und ihren assoziierten Bakterien: Entwicklung eines chemisch-ökologischen Modellsystems, Habilitationsschrift, Friedrich-Schiller-Universität Jena, 468 Seiten
2020
80. Ghaderiardakani, F., Quartino, M.L., Wichard, T.* (2020) Microbiome-dependent adaptation of seaweeds under environmental stresses: a perspective. Frontiers in Marine Science 7: 575228. doi: 10.3389/fmars.2020.575228 https://www.frontiersin.org/articles/10.3389/fmars.2020.575228/fullExternal link
79. Mohr, J.F., Weiss, A., Roy, S., Wichard, T.* (2020). Genome sequence of Frankia sp. strain CH37, a metallophore-producing, nitrogen-fixing actinobacterium isolated from the sea buckthorn, Hippophae rhamnoides (Elaeagnaceae). Microbiology Resource Announcement 9: e01184-20. https://doi.org/10.1128/MRA.01184-20External link
78. Kügler, S., Cooper, R.E., Boessneck, J., Küsel, K., Wichard, T.* (2020) Rhizobactin B is the preferred siderophore by a novel Pseudomonas isolate to obtain iron from dissolved organic matter in peatland. Biometals. Biometals 33: 415-433. DOI: 10.1007/s10534-020-00258-w https://link.springer.com/article/10.1007/s10534-020-00258-wExternal link
77. Wichard, T., Ghaderiardakani, F., Zimmermann, J., Karsten, K., Grossart, H.-P., Livenets, A. (2020) 'Biodiversity and adaptation of polar algae and their interactions with symbionts and parasites in a changing environment', in T. Fromm, C. Oberdieck, T. Matz, C. Wesche (eds) Reports on polar and marine research 745, Alfred Wegener Institute for Polar and Marine Research: Bremerhaven, pp. 93-103. doi: 10.2312/BzPM_0745_2020 https://epic.awi.de/id/eprint/52837/External link
76. Cooper, R.E., Wegner, C., Kügler, S., Remington, X., Ueberschaar, N., Wurlitzer, J.D., Stettin, D., Wichard, T., Pohnert, G., Küsel, K.* (2020) Iron is not everything: unexpected complex metabolic responses between iron-cycling microorganisms. ISME J. 14: 2675-2690. https://doi.org/10.1038/s41396-020-0718-zExternal link
75. Vockenberg T., Wichard T., Ueberschaar N., Franke M., Stelter M., Braeutigam P.* (2020) Sorption behaviour of amine micropollutants on polyethylene microplastics-Impact of aging and interaction with green seaweed. Environmental Science: Processes & Impacts 22:1678-1687. https://doi.org/10.1039/D0EM00119HExternal link
74. Polikovsky M.*, Califano G., Dunger N., Wichard T., Golberg A.* (2020) Engineering bacteria-seaweed symbioses for modulating the photosynthate content of Ulva (Chlorophyta): Significant for the feedstock of bioethanol production. Algal Research 49: 101945. https://doi.org/10.1016/j.algal.2020.101945External link
73. Alsufyani T., Califano G., Deicke M., Grueneberg J., Weiss A., Engelen A.H., Kwantes M., Mohr J.F., Ulrich J.F., Wichard T.* (2020) Macroalgal–bacterial interactions: identification and role of thallusin in morphogenesis of the seaweed Ulva (Chlorophyta), Journal of Experimental Botany 71: 3340-3349. https://doi.org/10.1093/jxb/eraa066External link
72. Califano G., Kwantes M., Abreu M.H., Costa R., Wichard T* (2020) Cultivating the macroalgal holobiont: effects of integrated multi-trophic aquaculture on the microbiome of Ulva rigida (Chlorophyta). Frontiers in Marine Science 7:52. doi: 10.3389/fmars.2020.00052External link
2019
71. Ghaderiardakani F., Califano G., Mohr J.F., Abreu M.H., Coates J.C., Wichard T* (2019) Analysis of algal growth- and morphogenesis-promoting factors in an integrated multi-trophic aquaculture system for farming the green seaweed Ulva spp. Aquaculture Environment Interactions 11:375-391. https://doi.org/10.3354/aei00319 External link
70. Deicke, M., Mohr, J-F., Roy, S., Herzsprung, P., Bellenger, J-P., Wichard, T.* (2019) Metallophore profiling of nitrogen-fixing Frankia spp. to understand metal management in the rhizosphere of actinorhizal plants. Metallomics 11External link: 810-821. https://doi.org/10.1039/C8MT00344KExternal link
69. Saha, M.*, Berdalet, E., Carotenuto, Y., Fink, P., Tilmann, H., John, U., Not, F., Pohnert, G., Potin, P., Selander, E., Vyverman, W., Wichard, T., Zupo, V., Steinke, M.* (2019) Using chemical language to shape future marine health. Frontiers in Ecology and the Environment 17: 530-537. https://doi.org/10.1002/fee.2113External link
68. Kurth, C., Wasmuth, I., Wichard, T., Pohnert, G., Nett, M.* (2019) Algae induce siderophore biosynthesis in the freshwater bacterium Cupriavidus necator H16. Biometals 32:77-88. https://doi.org/10.1007/s10534-018-0159-6External link
67. Steinhagen, S.*, Barco, A., Wichard, T., Weinberger, F. (2019) Conspecificity of the model organism Ulva mutabilis and Ulva compressa (Ulvophyceae, Chlorophyta). Journal of Phycology 55:25-36. https://doi.org/10.1111/jpy.12804External link
66. Kügler, S., Cooper, R.,E., Wegner, C.-E., Mohr, J.F., Wichard, T., Küsel, K.* (2019) Iron-organic matter complexes accelerate microbial iron cycling in an iron-rich fen. Science of Total Environment 646:972-988External link
2018
65. De Clerck, O.*, Kao, S-M., Bogaert, K.A., Blomme, J., Foflonker, F., Kwantes, M., Vancaester, E., Vanderstraeten, L., Aydogdu, E., Boesger, J., Califano, G., Charrier, B., Clewes, R., Del Cortona, A., D'Hondt, S., Fernandez-Pozo, N., Gachon, C.M., Hanikenne, M., Lattermann, L., Leliaert, F., Liu, X., Maggs, C.A., Popper, Z.A., Raven, J.A., Van Bel, M., Wilhelmsson, P.K.I., Bhattacharya, D., Coates, J.C., Rensing, S.A., Van Der Straeten, D., Vardi, A., Sterck, L., Vandepoele, K., Van de Peer, Y., Wichard, T., Bothwell, J.H.* (2018) Insights into the Evolution of Multicellularity from the Sea Lettuce Genome. Current Biology 28:2921-2933. https://doi.org/10.1016/j.cub.2018.08.015External link
64. Wichard, T.*, Beemelmanns, C. (2018) Role of chemical mediators in aquatic interactions across the prokaryote-eukaryote boundary. Journal of Chemical Ecology 44: 1008-1021. https://doi.org/10.1007/s10886-018-1004-7External link
63. Hermenau, R., Keishi, I., Gama, S., Hoffmann, B., Pfeifer-Leeg, M., Plass, W., Mohr, J.F., Wichard, T., Saluz H.,P., Hertweck, C.* (2018) Gramibactin is a bacterial siderophore with a diazeniumdiolate ligand system. Nature Chemical Biology 14:841-843. Online https://doi.org/10.1038/s41589-018-0101-9External link
62. Baumeister, T. U. H., Ueberschaar, N., Schmidt-Heck, W., Mohr, J. F., Deicke, M., Wichard, T.*, Guthke, R., Pohnert, G.* (2018) DeltaMS: A tool to track isotopologues in GC- and LC-MS data. MetabolomicsExternal link 14:41External link
61. Kessler, R.W., Weiss, A., Kuegler, S., Hermes, C. Wichard, T.* (2018) Macroalgal-bacterial interactions: Role of dimethylsulfoniopropionate in microbial gardening by Ulva (Chlorophyta). Molecular Ecology 27:1808-1819External link
60. Vockenberg, T.*, Wichard, T., Stelter, M., Bräutigam, P. (2018) Einfluss von Alterungsprozessen auf das Sorptionsverhalten von Mikroschadstoffen an Mikroplastik. Mitteilungen zur Umweltchemie und Ökotoxikologie 24:10-13
59. Protocols for Macroalgae Research, eds. B. Charrier*, T. Wichard*, C.R.K. Reddy* (2018) Preface/Editorial. Boca Raton: CRC Press, Francis & Taylor GroupExternal link
58. Kessler, R.W., Alsufyani, T., Wichard, T.* (2018) Purification of sporulation and swarming inhibitors from Ulva: application in algal life cycle controlling. In Protocols for Macroalgae Research, eds. B. Charrier, T. Wichard, C.R.K. Reddy, Chapter 8. Boca Raton: CRC Press, Francis & Taylor GroupExternal link
57. Califano, G., Wichard, T.* (2018) Preparation of axenic cultures in Ulva (Chlorophyta). In Protocols for Macroalgae Research, eds. B. Charrier, T. Wichard, C.R.K. Reddy, Chapter 9. Boca Raton: CRC Press, Francis & Taylor GroupExternal link
56. Kuhlisch, C., Califano, G., Wichard, T., Pohnert, G.* (2018) Metabolomics of intra- and extracellular metabolites from micro- and macroalgae using GC-MS and LC-MS. In Protocols for Macroalgae Research, eds. B. Charrier, T. Wichard, C.R.K. Reddy, Chapter 18. Boca Raton: CRC Press, Francis & Taylor GroupExternal link
55. Bösger, J., Kwantes, M., Wichard, T* (2018) Polyethylene glycol (PEG)-mediated transformation in the green macroalgae Ulva mutabilis (Chlorophyta): a forward genetic approach. In Protocols for Macroalgae Research, eds. B. Charrier, T. Wichard, C.R.K. Reddy, Chapter 31. Boca Raton: CRC Press, Francis & Taylor GroupExternal link
2017
54. Ghaderiardakani, F., Coates, J.C., Wichard T.* (2017) Bacteria-induced morphogenesis of Ulva intestinalis and Ulva mutabilis (Chlorophyta): a contribution to the lottery theory. FEMS Microbiology Ecology 93(8):fix094External link
53. Charrier, B.*, Abreu, M.H., Araujo, R., Bruhn, A., Coates, J.C., De Clerck, O., Katsaros, C., Robaina, R.R., Wichard, T. (2017) Furthering knowledge on seaweed growth and development to facilitate sustainable aquaculture. New Phytologist 216:967-975External link
52. Kessler, R.W., Crecelius, A.C.*, Schubert, U.S., Wichard, T.* (2017) In situ monitoring of molecular changes during cell differentiation processes in marine macroalgae through mass spectrometric imaging. Analytical Bioanalytical Chemistry 409:4893-4903. doi:10.1007/s00216-017-0430-7 External link
51. Wichard, T.* and Katsaros, C. (2017) Phycomorph: macroalgal development and morphogenesis. Botanica Marina 60(2):85-87. doi:10.1515/bot-2017-0017External link
50. Wichard, T.* (2017) Was den Meersalat in Form bringt. Nachrichten aus der Chemie 65:870-873External link
49. Weiss, A., Costa, R., Wichard, T.* (2017) Morphogenesis of Ulva mutabilis (Chlorophyta) induced by Maribacter species (Bacteroidetes, Flavobacteriaceae). Botanica Marina 60(2):197-206. doi:10.1515/bot-2016-0083External link
48. Katsaros, C., Weiss, A., Llangos, I., Theodorou, I., Wichard, T.* (2017) Cell structure and microtubule organisation during gametogenesis of Ulva mutabilis Føyn (Chlorophyta) Botanica Marina 60(2):123-135. doi:10.1515/bot-2016-0073External link
47. Fernand, F., Israel, A., Skjermo, J., Wichard T., Timmermans, K. R., Golberg A.* (2017) Offshore macroalgae biomass for bioenergy production: Environmental aspects, technological achievements and challenges. Renewable and Sustainable Energy Reviews. 75:35-45. doi.org/10.1016/j.rser.2016.10.046External link
46. Alsufyani, T., Weiss, A., Wichard, T.* (2017) Time course exo-metabolomic profiling in the green marine macroalga Ulva (Chlorophyta) for identification of growth phase-dependent biomarkers. Marine Drugs 15:14. doi:10.3390/md15010014External link
45. Kuhlisch, C., Deicke, M., Ueberschaar, N., Wichard, T., Pohnert, G.* (2017) A fast and direct liquid chromatography-mass spectrometry method to detect and quantify polyunsaturated aldehydes and polar oxylipins in diatoms. Limnology and Oceanography Methods 15:70-79. doi:10.1002/lom3.10143External link
2016
44. Wichard, T.* (2016) Bakterien-Algen-Interaktionen: Die Grünalge Ulva (Chlorophyta) kommt nur mit den richtigen Bakterien in Form [In: Rundgespräche Forum Ökologie, Bd. 45 »Die Sprache der Moleküle - Chemische Kommunikation in der NaturExternal link«, S. 69-82. 2016 Verlag Dr. Friedrich Pfeil, München].
43. Wichard, T.* (2016) Bakterien-induzierte Morphogenese der marinen Makroalge. BIOspektrum 22:585-588. doi:10.1007/s12268-016-0732-xExternal link
42. Wichard, T.* (2016) Identification of metallophores and organic ligands in the chemosphere of the marine macroalga Ulva (Chlorophyta) and at land-sea Interfaces. Frontiers in Marine Science 3:131. doi: 10.3389/fmars.2016.00131External link
41. Noumsi, J., C., Pourhassan, N., Darnajoux, R., Deicke, M., Wichard, T., Burrus, V., Bellenger, J-B.* (2016) Effect of organic matter on nitrogenase metal cofactors homeostasis in Azotobacter vinelandii under diazotrophic conditions. Environmental Microbiology Reports 8:76-84. doi: 10.1111/1758-2229.12353External link
40. Grueneberg, J., Engelen, A.H., Costa R., Wichard T.* (2016) Macroalgal morphogenesis induced by waterborne compounds and bacteria in coastal seawater. PLoS ONE 11: e0146307. doi:10.1371/journal.pone.0146307External link
2015
39. Oertel, W., Wichard, T.*, Weissgerber, A. (2015) Transformation of Ulva mutabilis (Chlorophyta) by vector plasmids integrating into the genome. Journal of Phycology 51: 963-979, doi: 10.1111/jpy.12336External link
38. Wichard, T.* (2015) Exploring bacteria-induced growth and morphogenesis in the green macroalga order Ulvales (Chlorophyta). Frontiers in Plant Science 6:86. doi: 10.3389/fpls.2015.00086External link
37. Wichard, T.*, Charrier B., Mineur F., Bothwell J. H., De Clerck O., Coates J. C. (2015) The green seaweed Ulva: A model system to study morphogenesis. Front. Plant Sci. 6:72. doi: 10.3389/fpls.2015.00072External link
36. Vesty, E.F., Kessler, R. W., Wichard, T.*, Coates, J.C.* (2015) Regulation of gametogenesis and zoosporogenesis in Ulva linza (Chlorophyta): comparison with Ulva mutabilis and potential for laboratory culture. Frontiers in Plant Science 6:15. doi: 10.3389/fpls.2015.00015External link
35. Pourhassan, N., Wichard, T., Roy, S., Bellenger, J-B.* (2015) Impact of elevated CO2 on metal homeostasis and the actinorhizal symbiosis in early successional alder shrubs. Environmental and Experimental Botany 109:168-176External link
2014
34. Deicke, M., Mohr, J. F., Bellenger, J. P., Wichard, T.* (2014) Metallophore mapping in complex matrices by metal isotope coded profiling of organic ligands. Analyst 23:6096 - 6099External link
33. Alsufyani, T., Engelen, A.H., Diekmann, O.E., Kuegler, S., Wichard, T.* (2014) Prevalence and mechanism of polyunsaturated aldehydes production in the green tide forming macroalgal genus Ulva (Ulvales, Chlorophyta). Chemistry and Physics of Lipids 183:100-109External link
32. Pourhassan, N., Gagnon, R., Wichard, T., Bellenger, J-B.* (2014) Identification of the hydroxamate siderophore ferricrocin in Cladosporium cladosporioides. Natural Product Communications 9: 539-540External link
31. Ribalet, F., Bastianini, M., Vidoudez, C., Acri, F., Berges, J., Ianora, A., Miralto, A., Pohnert, G., Romano, G., Wichard, T., Casotti, R.* (2014) Phytoplankton cell lysis associated with polyunsaturated aldehyde release in the northern Adriatic Sea. PLoSOne DOI:10.1371/journal.pone.0085947External link
2013
30. Deicke, M., Bellenger, J. P., Wichard, T.* (2013) Direct quantification of bacterial molybdenum and iron metallophores with ultra-high-performance liquid chromatography coupled to time-of-flight mass spectrometry. Journal of Chromatography A 1258:50-60External link
2012
29. Spoerner, M., Wichard, T.*, Bachhuber, T., Stratmann, J., Oertel, W. (2012) Growth and Thallus Morphogenesis of Ulva mutabilis (Chlorophyta) depends on a combination of two bacterial species excreting regulatory factors. Journal of Phycology 48:1433-1447External link
2011
28. Bellenger, J. P., Wichard, T., Xu, Y., and Kraepiel, A. M. L.* (2011) Essential metals for nitrogen fixation in a free-living N2-fixing bacterium: chelation, homeostasis and high use efficiency. Environmental Microbiology 13:1395-1411External link
2010
27. Dittami, S. M.*, Wichard, T., Malzahn, A. M., Pohnert, G., Boersma, M., Wiltshire, K. H. (2010) Culture conditions affect fatty acid content along with wound-activated production of polyunsaturated aldehydes in Thalassiosira rotula (Coscinodiscophyceae). Nova Hedwigia Beiheft 136:231-248External link
26. Wichard, T.*, Oertel, W. (2010) Gametogenesis and Gamete release of Ulva mutabilis and Ulva lactuca (Chlorophyta): Regulatory effects and chemical characterization of the "swarming inhibitor". Journal of Phycology 46:248-259External link
2009
25. Wichard, T.*, Bellenger, J. P., Morel, F. M. M., and Kraepiel, A. M. L. (2009) Role of the Siderophore Azotobactin in the Bacterial Acquisition of Nitrogenase Metal Cofactors. Environmental Science & Technology 43:7218-7224External link
24. Wichard, T., Mishra, B.*, Myneni, S. C. B., Bellenger, J. P., and Kraepiel, A. M. L. (2009) Storage and bioavailability of molybdenum in soils increased by organic matter complexation. Nature Geoscience 2:625-629External link
23. Kraepiel, A. M. L.*, Bellenger, J. P., Wichard, T., and Morel, F. M. M. (2009) Multiple roles of siderophores in free-living nitrogen-fixing bacteria. Biometals 22:573-581External link
2008
22. Wichard, T., Bellenger, J. P., Loison, A., and Kraepiel, A. M. L.* (2008) Catechol siderophores control tungsten uptake and toxicity in the nitrogen-fixing bacterium Azotobacter vinelandii. Environmental Science & Technology 42:2408-2413External link
21. Wichard, T.*, Poulet, S. A., Boulesteix, A. L., Ledoux, J. B., Lebreton, B., Marchetti, J., and Pohnert, G. (2008) Influence of diatoms on copepod reproduction. II. Uncorrelated effects of diatom-derived alpha,beta,gamma,delta-unsaturated aldehydes and polyunsaturated fatty acids on Calanus helgolandicus in the field. Progress in Oceanography 77: 30-44External link
20. Bellenger, J. P., Wichard, T., and Kraepiel, A. M. L.* (2008) Vanadium requirements and uptake kinetics in the dinitrogen-fixing bacterium Azotobacter vinelandii. Applied and Environmental Microbiology 74:1478-1484External link
19. Bellenger, J. P., Wichard, T., Kustka, A. B., and Kraepiel, A. M. L.* (2008) Uptake of molybdenum and vanadium by a nitrogen-fixing soil bacterium using siderophores. Nature Geoscience 1:243-246External link
18. Koski, M.*, Wichard, T., and Jonasdottir, S. H. (2008) "Good" and "bad" diatoms: development, growth and juvenile mortality of the copepod Temora longicornis on diatom diets. Marine Biology 154:719-734External link
2007
17. Wichard, T., Gerecht, A., Boersma, M., Poulet, S. A., Wiltshire, K., and Pohnert, G.* (2007) Lipid and fatty acid composition of diatoms revisited: Rapid wound-activated change of food quality parameters influences herbivorous copepod reproductive success. Chembiochem 8:1146-1153External link
16. Poulet, S. A.*, Cueff, A., Wichard, T., Marchetti, J., Dancie, C., and Pohnert, G. (2007) Influence of diatoms on copepod reproduction. III. Consequences of abnormal oocyte maturation on reproductive factors in Calanus helgolandicus. Marine Biology 152: 415-428External link
15. Poulet, S. A., Escribano, R., Hidalgo, P., Cueff, A., Wichard, T., Aguilera, V., Vargas, C. A., and Pohnert, G. (2007) Collapse of Calanus chilensis reproduction in a marine environment with high diatom concentration. Journal of Experimental Marine Biology and Ecology 352:187-199External link
14. Ribalet, F., Wichard, T., Pohnert, G., Ianora, A., Miralto, A., and Casotti, R.* (2007) Age and nutrient limitation enhance polyunsaturated aldehyde production in marine diatoms. Phytochemistry 68:2059-2067External link
2006
13. Wichard, T., and Pohnert, G.* (2006) Formation of halogenated medium chain hydrocarbons by a lipoxygenase/hydroperoxide halolyase-mediated transformation in planktonic microalgae. Journal of the American Chemical Society 128:7114-7115External link
12. Poulet, S. A.*, Wichard, T., Ledoux, J. B., Lebreton, B., Marchetti, J., Dancie, C., Bonnet, D., Cueff, A., Morin, P., and Pohnert, G. (2006) Influence of diatoms on copepod reproduction. I. Field and laboratory observations related to Calanus helgolandicus egg production. Marine Ecology-Progress Series 308:129-142External link
11. Stumpe, M., Bode, J., Gobel, C., Wichard, T., Schaaf, A., Frank, W., Frank, M., Reski, R., Pohnert, G., and Feussner, N.* (2006) Biosynthesis of C9-aldehydes in the moss Physcomitrella patens. Biochimica Et Biophysica Acta-Molecular and Cell Biology of Lipids 1761:301-312External link
2005
10. Wichard, T., Gobel, C., Feussner, I., and Pohnert, G.* (2005) Unprecedented lipoxygenase/hydroperoxide lyase pathways in the moss Physcomitrella patens. Angewandte Chemie-International Edition 44:158-161External link
9. Wichard, T., Poulet, S. A., Halsband-Lenk, C., Albaina, A., Harris, R., Liu, D. Y., and Pohnert, G.* (2005) Survey of the chemical defence potential of diatoms: Screening of fifty one species for alpha,beta,gamma,delta-unsaturated aldehydes. Journal of Chemical Ecology 31:949-958External link
8. Wichard, T., Poulet, S. A., and Pohnert, G.* (2005) Determination and quantification of alpha,beta,gamma,delta-unsaturated aldehydes as pentafluorobenzyl-oxime derivates in diatom cultures and natural phytoplankton populations: application in marine field studies. Journal of Chromatography B-Analytical Technologies in the Biomedical and Life Sciences 814:155-161External link
7. Carotenuto, Y.*, Wichard, T., Pohnert, G., and Lampert, W. (2005) Life-history responses of Daphnia pulicaria to diets containing freshwater diatoms: Effects of nutritional quality versus polyunsaturated aldehydes. Limnology and Oceanography 50: 449-454External link
6. Horner, R. A.*, Postel, J. R., Halsband-Lenk, C., Pierson, J. J., Pohnert, G., and Wichard, T. (2005) Winter-spring phytoplankton blooms in Dabob Bay, Washington. Progress in Oceanography 67:286-313External link
5. Paffenhöfer, G. A.*, Ianora, A., Miralto, A., Turner, J. T., Kleppel, G. S., d'Alcala, M. R., Casotti, R., Caldwell, G. S., Pohnert, G., Fontana, A., Müller-Navarra, D., Jonasdottir, S., Armbrust, V., Bamstedt, U., Ban, S., Bentley, M. G., Boersma, M., Bundy, M., Buttino, I., Calbet, A., Carlotti, F., Carotenuto, Y., d'Ippolito, G., Frost, B., Guisande, C., Lampert, W., Lee, R. F., Mazza, S., Mazzocchi, M. G., Nejstgaard, J. C., Poulet, S. A., Romano, G., Smetacek, V., Uye, S., Wakeham, S., Watson, S., and Wichard, T. (2005) Colloquium on diatom-copepod interactions. Marine Ecology-Progress Series 286:293-305External link
4. Senger, T., Wichard, T., Kunze, S., Gobel, C., Lerchl, J., Pohnert, G.*, and Feussner, I. (2005) A multifunctional lipoxygenase with fatty acid hydroperoxide cleaving activity from the moss Physcomitrella patens. Journal of Biological Chemistry 280: 7588-7596External link
2004
3. Pohnert, G.*, Adolph, S., and Wichard, T. (2004) Short synthesis of labeled and unlabeled 6Z,9Z,12Z,15-hexadecatetraenoic acid as metabolic probes for biosynthetic studies on diatoms. Chemistry and Physics of Lipids 131:159-166External link
2. Ianora, A.*, Miralto, A., Poulet, S. A., Carotenuto, Y., Buttino, I., Romano, G., Casotti, R., Pohnert, G., Wichard, T., Colucci-D'Amato, L., Terrazzano, G., and Smetacek, V. (2004) Aldehyde suppression of copepod recruitment in blooms of a ubiquitous planktonic diatom. Nature 429:403-407External link
1. Adolph, S., Bach, S., Blondel, M., Cueff, A., Moreau, M., Pohnert, G., Poulet, S. A.*, Wichard, T., and Zuccaro, A. (2004) Cytotoxicity of diatom-derived oxylipins in organisms belonging to different phyla. Journal of Experimental Biology 207:2935-2946External link