ProgramME for the 6th ICDRA 2022

from 16:00 Registration, Poster hanging
17:00 Organised transfer from Quedlinburg to Gatersleben by bus
18:00 Opening address
18:30 Plenary talk: Eric Lam, Rutgers University, NJ, USA | Duckweed hibernation: unraveling the molecular basis of the turion induction switch in Spirodela polyrhiza
19:30 Welcome reception
21:00 Organised transfer from Gatersleben to Quedlinburg by bus


08:00 Organised transfer from Quedlinburg to Gatersleben by bus
08:30 Rob Martienssen, 
Cold Spring Harbor Laboratory, NY, USA | Genomic and epigenomic consequences of clonal growth habit in the Lemnaceae
Shuqing Xu, Muenster University, Germany | The giant duckweed, a model system for studying plant evolution in a multitrophic community
09:30 Laura Morello, IBBA CNR, Milano, Italy | TBP fingerprinting unveiled interspecific hybridization in the genus Lemna
09:50 Ljudmilla Borisjuk, IPK Gatersleben, DE
| Integrative analysis of growth dynamics in duckweed
10:10 Dombey Rodolphe, Gregor Mendel Institute, Austria | Epigenetic regulation of transposable elements in duckweeds
10:30 Coffee break


11:00 K. Sowjanya Sree, Kerala Central University, India | Nutrient stress on duckweeds
11:30 Alexandra Chavez, Muenster University, Germany | Non-genetic inheritance alters stress resistance across generations in the Giant duckweed
12:00 Osnat Gillor, Ben-Gurion-University, Negev, Israel | All in one: the microbiome of a rootless plant
12:20 Minako Isoda, Kyoto University, Japan | Analysis on floral induction of Wolffiella hyalina
12:40 Alexander Ware, Nottingham University, United Kingdom | To root or not to root: Evolution of rootlessness in duckweed
13:00 Lunch


14:00 Marcel Jansen, Cork University, Ireland | Lemnaceae as a key player in the circular economy; examples of wastewater valorisation in Ireland
14:30 Quinten Bafort, Ghent University, Belgium | Stress tolerance in tetraploid Spirodela polyrhiza
15:00 Simona Paolacci, UCC/Bantry Marine Research Station, West Cork, Ireland | Wastewater valorization in an integrated multitrophic aquaculture system; assessing nutrient removal and biomass production by duckweeds 
15:20 Masaaki Morikawa, Hokkaido University, Japan
| Dual function of environmental bacteria that enable duckweed prosperity
15:40 Conference Photo
16:00 Coffee, fruits & cake
16:30 Poster presentation & viewing I
18:30 Public lecture: Klaus-J. Appenroth, FSU Jena, Germany | Eine neue Kulturpflanze mit großem Potenzial für Ernährung, Wasserreinigung und Energie
19:30 General Assembly (News from Steering Committee; Suggestions for 7th ICDRA, Round-table discussion: „Duckweed futures“, Joint Projects etc.)
20:30 BBQ & beer 
23:00 Organised transfer from Gatersleben to Quedlinburg by bus


08:00 Organised transfer from Quedlinburg to Gatersleben by bus
Asaph Aharoni, WIS, Rehovot, Israel | The underwater chemical world of duckweed
Tokitaka Oyama, Kyoto University, Japan | Variability of chronobiological characteristics in duckweed
09:30 Cristian Mateo-Elizalde, Cold Spring Harbor Laboratory, NY, USA | Unraveling genetic mechanisms of sexual reproduction in duckweed
09:50 Moshe T. Halpern, Agricultural Research Organization, Volcani Institute, Israel | Using rootless duckweed Wolffia globosa as a model to clarify the effect of e[CO2] on NO3 photo-assimilation in C3 plants
10:10 Philippe Juneau, Quebec University, Montreal, Canada | How aminomethylphosphonic acid (AMPA), the main glyphosate metabolite, affects Lemna minor photosynthesis?
10:30 Coffee break

11:00 Paul Ziegler, Bayreuth University, Germany | The life cycle of Spirodela polyrhiza: a model for aquatic plant overwintering?
11:30 Darlielva do Rosario Freitas, Universidade Federal de Viçosa, Brazil | Different sources of iron modulate responses in the antioxidant system in plants
11:50 Olena Kishchenko, Huaiyin Normal University, China | The dynamics of NO3 and NH4+ uptake in duckweed are coordinated with the expression of major nitrogen assimilation genes
12:10 Shogo Ito, Kyoto University, Japan | Development of a cryopreservation protocol for a variety of duckweed meristems by the vitrification-cryo-plate method
12:30 Manuela Nagel, IPK Gatersleben, Germany | Advances in droplet-vitrification and -freezing of Lemna fronds for long-term preservation of duckweeds
13:00 Lunch



14:00 Nikolai Borisjuk, Huaiyin Normal University, China | Organization and evolution of duckweeds ribosomal RNA genes
14:30 Todd Michael, Salk Institute, La Jolla, CA, USA | Duckweed genome architecture
15:00 Phuong Hoang, Dalat University, Vietnam & IPK Gatersleben, Germany | Chromosome numbers, genome sizes and evolutionary implication for genome evolution and diversity of Lemnaceae
15:20 Anton Stepanenko, Huaiyin Normal University, China | Biodiversity of Lemnaceae in water reservoirs of Ukraine and China assessed by double chloroplast DNA barcoding
15:40 Viktor Olah, Debrecen University, Hungary | Family portrait of a duckweed colony: What can imaging-based phenotyping tell us about stress
16:00 Coffee, fruits & cake
16:30 Poster presentation & viewing II
18:00 Organised transfer from Gatersleben to Quedlinburg by bus
18:30 Guided tour in Quedlinburg
20:00 Conference dinner (Hotel Schlossmühle, Quedlinburg)


08:00 Organised transfer from Quedlinburg to Gatersleben by bus
Britt Schumacher, DBFZ GmbH, Leipzig, Germany | Duckweed – Conservation and conversion into biogas
09:00 Ingrid van der Meer, Wageningen University and Research, Wageningen, Netherlands | Water lentils and products thereof for human consumption: overview of the current status of NF approval in Europe
09:30 Jurriaan Mes, Wageningen University and Research, Wageningen, Netherlands | Water lentils protein for human nutrition
09:50 Anton Peterson, Huaiyin Normal University, China | Lemna turionifera demonstrates good potential as an alternative system for transient expression of recombinant proteins
10:10 Johannes Demann, Osnbrück University, Germany | Insights into the nutritional value of duckweed as protein feed for broiler chicken
10:30 Coffee break 


Paul Skillicorn, Skillicorn Technologies, Austin, TX, USA |  Duckweeds, the engine of the New Circular Economy
Tsipi Shoham, GreenOnyx, Tel Aviv, Israel | Securing fresh nutrition via a breakthrough technology for growing duckweeds
12:00 Finn Petersen, University of Applied Sciences Osnabrück, Germany | Development and scale-up process from a small duckweed culture to a large in-door vertical farm for duckweed biomass production
12:20 Tba.
12:40 Wisuwat Songnuan,  Mahidol University, Bangkok, Thailand |
Carbon dioxide sequestration potential of two Thai duckweed species, Wolffia globosa and Lemna aequinoctialis, under open-air greenhouse condition
13:00 Best Poster Award (founded by CLF PlantClimatics GmbH) and Closing remarks
14:00 Lunch/departure

14:00 Organised transfer from Gatersleben to Quedlinburg by bus