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Talks and Posters


Invited Talks

36. New York University of Abu Dhabi, 2018, UAE.

35. 2nd workshop Survival Artists Workshop, SFB 987, 2017, Marburg, Germany.

34. 11th International Phycological Congress, Stettin, 2017, Poland.

33. Ruhr Universität Bochum, 2017, Germany.

32. Deutsche Forschungsgemeinschaft, Schwerpunkt Programm Round Table Diskussion, University Bielefeld, Germany.

31. EU-ITN Workpackage mid term report, University Konstanz, Germany.

30. Ruhr Universität Bochum, Fakultätskolloquium der Fakultät für Biologie und Biotechnologie, 2017, Germany.

29. Cyprus University of Technology: EU-COST Action FA1406: Phycomorph - meeting, 2016, Cyprus.

28. Universität Duisburg-Essen - Aquatische Mikrobielle Ökologie, 2016, Germany.

27. The Leibniz Institute DSMZ - German Collection of Microorganisms and Cell Cultures, Braunschweig, 2016, Germany

26. Rundgespräche "Forum Ökologie" der Bayrischen Akademie der Wissenschaften, München, 2016, Germany.

25. Annual Conference 2016 of the Association for General and Applied Microbiology (VAAM) Jena, 2016, Germany.

24. EuroMarine Foresight Workshop at the University of Essex, Colchester, 2015, UK

23. 6th European Phycological Congress (EPC6), London, 2015, UK.

22. Universität zu Köln, XVIIIth Cologne Minisymposium on Plant Biology, Köln, 2015, Germany.

21. CIIMAR Porto: EU-COST Action FA1406: Phycomorph - meeting, 2015, Portugal.

20. DECHEMA, 27. Irseer Naturstofftage, Irsee, 2015, Germany.

19. Alfred-Wegener-Institut, Marine Biogeowissenschaften, Bremerhaven, 2014, Germany.

18. GDCh-Vortrag, Ortsverband Magdeburg, 2014, Germany.

17. Frühjahrssymposium, GDCh-JCF, Jena, 2014, Germany.

16. Universität Duisburg-Essen, 2013, Germany.

15. Universität Bremen, 2013, Germany.

14. University of Birmingham, School of Biosciences, 2013, UK.

13. Botanisches Kolloquium, Jena, 2013, Germany.

12. Chemosphere of the marine green algae Ulva (Chlorophyta): Application of sporulation inhibitors in algal aquaculture, Qingdao, 2013, China.

11. CCMAR, Universidade do Algarve, Faro, 2012, Portugal.

10.  Ghent University, Biology Department, Ghent, 2012, Belgium.

9. Chemical sphere of seaweeds: bacteria-mediated morphogenesis in green macroalgae. PHYCOMORPH-Meeting: Morphogenesis in macroalgae. Universidad de Las Palmas de Gran Canaria, 2011, Spain.

8. Universität Konstanz, "Chemische Ökologie", 2010, Germany.

7. Signalling and gametogenesis in seaweeds. University of Essex, Department of Biological Sciences, Colchester, 2010, UK.

6. Chemospheres of mutualistic algal-bacterial interactions. University of Oldenburg, 2010, Germany.

5. Chemosphären von mutualistischen Pflanzen Mikroben Interaktionen. University of Konstanz, Department of Biology, 2010, Germany.

4. Symbiotic interactions of the green algae Ulva and its bacteria. CCMAR, Universidade do Algarve, Faro, 2010, Portugal.

3. Novel functions of siderophores in the nitrogen fixing bacterium Azotobacter vinelandii. Chemodynamics of ecosystems. Ascona, 2008, Switzerland.

2. Ecological functions of diatom derived aldehydes: deleterious blooms & chemical signals. 7th International Chrysophyte Symposium, New London, 2008, CT, USA

1. ESF LESC Exploratory Workshop Influence of Phytoplankton on Herbivore Reproductive Success. Impact of Infochemicals and Food Quality? Roscoff, 2006, France.


Talks

26. Califarno, G., Wichard, T. (2018) 7th MICOM, Jena, Germany.

25. Steinhagen, S., Barco, A., Wichard, T., Winberger, F. (2018) Conspecificity of the model organism Ulva mutabilis and the potential nuisance algae Ulva compressa (Ulvophyceae, Chlorophyta). 17th Scientific conference of the Phycology Section, Berchtesgaden, Germany.

24. Wichard, T. (2018) GDCh, Dozententagung Chemie, Jena, Germany.

23. Ghaderiardakani, F., Coates, J.,  Wichard, T. (2017) The cross-kingdom interaction in the marine macroalgae Ulva: revisiting the lottery theory through cross-testing of bacteria. 11th International Phycological Congress, Stettin, Poland

22. De Clerck, O., Wichard, T., Bothwell J.H. (2017) The Ulva genome: insights in the biology of bloom-forming green seaweed.  11th International Phycological Congress, Stettin, Poland.

21. Steinhagen, S., Barco, A., Wichard, T., Winberger, F. (2017) Conspecificity of an invasive ecotype of Ulva compressa
from the SW Baltic with the model organism Ulva mutabilis. 11th International Phycological Congress, Stettin, Poland.

20. Wichard, T. 16th Scientific Conference of the Section Phycology of the German Botanical Society, Leipzig, Germany.

19. Weiss, A. and Wichard, T. (2016) COST Action Phycomorph Workshop, Kavala, Greece.

18. Weiss, A., Kessler, R.W., Kügler, S., Wichard, T. (2015) Signalling in bacterial-macroalgal symbiosis: chemotaxis is involved in biofilm formation by Roseobacter sp and Ulva mutabilis (Chlorophyta). 6th European Phycological Congress (EPC6), London, UK.

17. Kessler, R.W., Crecelius, A. C., Schubert, U. S., Wichard, T. (2015) In situ monitoring of small cellular biomarkers during sporulation of Ulva mutabilis (Chlorophyta) with MALDI-MSI. 5th International Student Conference on Microbial Communication, Jena, Germany.

16. Weiss, A. & Wichard, T. (2014) Bacteria induced morphogenesis in the marine macroalga Ulva (Chlorophyta): Phenotypic characterization of a Cytophaga strain. 4th International Student Conference on Microbial Communication, Jena, Germany.

15. Wichard, T. (2014) The sea lettuce Ulva mutabilis: A model organism in chemical ecology and developmental biology.
15th Scientific Conference of the Section Phycology of the German Botanical Society, Stralsund, Germany.

14. Alsufyani, T., Engelen, A., Wichard, T. (2013) Metabolic profiling of the chemosphere of the macroalga Ulva sp.: Towards the understanding of chemical mediated interactions between Ulva mutabilis and its associated bacteria.
B
ritish Phycological Society 60th Summer Meeting, Belfast, UK.

13. Grüneberg, J.,  Engelen, A., Costa, R., Wichard, T. (2011) CCMAR, Universidade do Algarve, Faro, Portugal.

12. Wichard, T., Grüneberg, J., Engelen, A., Costa, R. (2011) Chemosphere of the marine green alga Ulva: induction of algal morphogenesis by bacterial compounds.
5th European Phycological Congress, Rhodes, Greece.

11. Wichard, T. (2011) Chemospehere of the marine green algae Ulva and its associated bacteria.
British Phycological Society 59th Winter Meeting, Cardiff, UK.

10. Wichard, T. (2010) Infochemicals in mutualistic interactions: Chemosphere of the marine green alga Ulva and its symbiotic bacteria.
Université de Sherbrooke, Départment de chimie, Québec, Canada.

9. Wichard, T. & Oertel, W. (2009) Gamete release of Ulva mutabilis and Ulva lactuca: Regulatory effects and chemical characterization of the "swarming inhibitor".
British Phycological Society 57th Winter Meeting, London, UK.

8. Wichard, T. (2007) Catechol production in Azotobacter vinelandii.
CEBIC Symposium
, Princeton, NJ.

7. Wichard, T. (2006) Der Einfluss des Phytoplanktons auf den Fortpflanzungserfolg von Calanus helgolandicus in den Küstengewässern vor Roscoff (Bretagne, Frankreich): Analysen von alpha,beta,gamma,delta-ungesättigte Aldehyden und Polyenfettsäuren im Jahreszyklus des Phytoplanktons. 11. Sektionstagung Phykologie Helgoland, Germany.

6. Wichard, T., (2005) Neue halogenierte Kohlenwasserstoffe aus marinen Kieselalgen.
33. Naturstoffchemikertreffen: Chemie, Biologie, Ökologie, Jena, Germany.

5. Wichard, T., Göbel, C., Stumpe, M., Feussner, I., Pohnert, G. (2005) High variability of eicosanoid-transformation in lower plants.
2. European Symposium on Plant Lipids, Copenhagen, Denmark
.

4. Wichard, T., Poulet, S. A., Pohnert, G. (2005) Formation and impact of polyunsaturated aldehydes during the phytoplankton succession.
ASLO Summer Meeting, Santiago de Compostela, Spain.

3. Wichard, T. (2005). Cloning and characterization of a lipoxygenase from Physcomitrella patens as a model system in the chemical defense of diatoms.
Second IMPRS symposium, Jena, Germany
.

2. Wichard, T. (2004). Cloning and characterization of a lipoxygenase from Physcomitrella patens as a model system in the chemical defence of diatoms.
Second German Middle East Plant Molecular Biology Meeting, Jena, Germany
.

1. Wichard, T. (2003). Activated chemical defense mechanism of diatoms.
26. Fränkisch-Mitteldeutsches Naturstoffchemikertreffen, Würzburg, Germany
.


Posters

33. Mohr, J.F., Deicke, M., Wichard, T. (2018) Bacteria - mycorrhizal fungus interaction: Metallophore production in Frankia. 7th MICOM, Jena, Germany.

32. Steinhagen, S., Barco, A., Wichard, T., Winberger, F. (2017) Conspecifictity of Ulva compressa and Ulva mutabilis (Ulvales, Chlorophyta): model organism meets invasive seaweed. German Society for Plant Sciences, Kiel, Germany, (Posterpreis).

31. Vockenberg, T., Wichard, T., Bräutigam, P. (2017) Sorptionsverhalten von Schadstoffen auf Mikroplastik am Beispiel von N-haltigen organischen Modellverbindungen, Wasser 2017,  Donaueschingen, Germany.

30. Kwantes, M., Boesger, J., Wichard, T. (2017) Uncovering the genetic basis of bacteria-induced morphogenesis in Ulva mutabilis. 11th International Phycological Congress, Stettin, Poland.

29. Califano, G.,  Kwantes, M., Deicke, M.,  Wichard, T. (2017) Metabolomic approach to shed light on the metabolic pathways that regulate the growth and morphogenesis of Ulva mutabilis. 11th International Phycological Congress, Stettin, Poland.

28. Mohr, J. F.,  Deicke, M., Bélanger, P-A.,  Bellenger, J-B., Roy, S., Wichard, T. (2016) Annual Conference 2016 of the Association for General and Applied Microbiology (VAAM) Jena, 2016, Germany.

27. Boesger, J., Weiss, A., Kessler, R.W., Califano, G., Wichard, T. (2016) Bacteria-induced growth and morphogenesis in the green marine macroalga Ulva (Chlorophyta) Annual Conference 2016 of the Association for General and Applied Microbiology (VAAM) Jena, 2016, Germany.

26. Mohr, J. F.,  Deicke, M., Bélanger, P-A.,  Bellenger, J-B., Roy, S., Wichard, T. (2015) Metallophore mapping in Frankia sp. using metal isotope coded profiling. 18th International Meeting on Frankia and Actinorhizal Plants, Montpellier, France.

25. Boesger, J., Wichard, T. (2015) A forward genetics approach in Ulva mutabilis (Chlorophyta) to decipher bacteria-induced morphogenesis and cross-kingdom interactions. 6th European Phycological Congress (EPC6), London, UK.

24. Kessler, R. W., Crecelius, A. C., Schubert, U. S., Wichard, T. (2015) In situ monitoring of endogenous metabolites during gametogenesis of Ulva mutabilis by MALDI-MSI. 63rd ASMS Conference on Mass Spectrometry and Allied Topics, St. Louis, Missouri, USA.

23. Deicke, M., Mohr, J. F., Bellenger, J. P., Wichard, T. (2015) Metallophore mapping in complex matrices by metal isotope coded profiling (MICP) of organic ligands.
SCOR WG 139: Organic Ligands - A Key Control on Trace Metal Biogeochemistry in the Ocean
, Šibenik, Croatia.

22. Pourhassan, N., Wichard, T., Roy, S., Bellenger, J-B. (2014) Impact of elevated CO2 on metal homeostasis and the actinorhizal symbiosis in early successional alder shrubs. OMICS, 3rd Earth Science & Climate Change, CA, USA (Posterpreis).

21. Deicke, M., Mohr, J. F., Bellenger, J. P., Wichard, T. (2014) Metal isotope coded profiling of organic ligands in complex matrices for direct metallophore identification.
4th International Student Conference on Microbial Communication, Jena, Germany
.

20. Kessler R.W., Walter M., Wichard T. (2014) Identification of inhibitors regulating the gametogenesis of the green macroalga Ulva mutabilis and their application in aquacultures. 
4th International Student Conference on Microbial Communication, Jena, Germany
.

19. Noumsi, C. J.,  Darnajoux, R., Pourhassan, N., Wichard, T., Burrus, V. , Bellenger, J. P. (2014) Effect of natural organic matter on metal acquisition and nitrogenase use by Azotobacter vinelandii. 114th General Meeting of the American Society of Microbiology, Boston, USA.

18. Wichard, T.,  Marechal, C., Esteves, A., Costa, R., (2013) Meeting the Aliens: Morphogenesis Induction of the green alga Ulva mutabilis by sponge-associated bacteria.
FEMS, Leipzig, Germany.

17. Wichard, T., Grüneberg, J., Engelen, A., Costa, R. (2013) Cross-kingdom cross-talk: Induction of algal morphogenesis by bacterial compounds in the lagoon Ria Formosa (Portugal).
FEMS, Leipzig, Germany.

16. Alsufyani, T., Wichard, T. (2013) 3rd International Conference on Algal Biomass, Biofuels and Bioproducts, Toronto, Canada.

15. Alsufyani, T., Wichard, T. (2011). Metabolic profiling of the chemosphere of the marine green macroalga Ulva and its associated bacteria.
5th European Phycological Congress, Rhodes, Greece.
 

14. Grüneberg, J., Engelen, A.,  Costa, R.,  Wichard, T. (2011).
Bacterial induction of algal morphogenesis in Ulva mutabilis in the lagoon Ria Formosa (Portugal): a bioassay guided approach.
British Phycological Society 59th Winter Meeting, Cardiff, UK (Posterpreis).

13. Grüneberg, J., Engelen, A.,  Costa, R.,  Wichard, T.  (2010)
Induction of algal morphogenesis in Ulva mutabilis by its associated bacteria in the lagoon Ria Formosa (Portugal).
2nd VAAM-Workshop Symbiotic Interaction, Würzburg, Germany.

12. Deicke, M., Wichard, T. (2010). Molybdenum recruitment by nitrogen-fixing bacteria: determination and quantification of molybdophores.
European Student Conference on Microbial Communication, Jena, Germany.

11. Grüneberg, J., Wichard, T.  (2010) Induction of algal morphogenesis in Ulva mutabilis by symbiotic bacteria.
European Student Conference on Microbial Communication, Jena, Germany (Posterpreis).

10. Alsufyani, T., Wichard, T. (2010) Oxylipin production in the marine green macroalgae Ulva sp. (Chlorophyta).
European Student Conference on Microbial Communication, Jena, Germany.

9. Wichard T. (2010) Oxylipin production in Ulva. British Phycological Society 58th Winter Meeting, Oban, UK

8. Wichard, T. & Oertel, W. (2009). Gametogensis and gamete release of Ulva mutabilis and Ulva lactuca (Chlorophyta),
9th International Phycological Congress, Tokio, Japan (Posterpreis).

7. Wichard, T., Mishra B., Kraepiel A.M.L, Myneni S. (2008). Molybdenum Speciation and Complexation in Soils.
Goldschmidt Conference, Vancouver, Canada.

6. Wichard, T., Mishra, B., Kraepiel, A., Myneni, S. (2008). Molybdenum Speciation and Complexation in Soils.   
School on Synchroton Radiation X-ray and IR Methods Focusing on Environmental Science, Synchroton Radiation Facility ANKA, Karlsruhe, Germany
.

5. Wichard, T., Bellenger, J-P, Kraepiel, A.M.L. (2007). Novel functions of siderophores in Azotobacter vinelandii.
Goldschmidt Conference, Cologne, Germany
.

4. Wichard, T., Pohnert, G. (2006). Formation of Halogenated medium chain hydrocarbons by a lipoxygenase/hydroperoxide
halololyase-mediated transformation in planktonic microalgae. 18. Irseer Naturstofftage, Germany.

3. Wichard, T., Poulet, S.A., Pohnert, G. (2006). The influence of diatoms on copepod reproduction: Field and laboratory observations.
54th Annual Meeting of the British Phycological Society, Plymouth, United Kingdom.

2. Wichard T., Senger T., Göbel C., Kunze S., Pohnert G., Feussner I. (2005). Unprecedented oxylipin pathways in the moss Physcomitrella patens:
Isolation and characterization of a new multifunctional lipoxygenase with lyase cleaving activity. XVII International Botanical Congress, Vienna, Austria.

1. Wichard, T., Poulet, S. A., Pohnert, G. (2004). Determination of deleterious unsaturated aldehydes in phytoplankton. 
Proceedings XI intenational symposium on marine natural products. Sorrento, Italy.