Schedule

Day 1 | July 16th

18:00 - 21:00 - Welcome Reception and Registration at the J. Craig Venter Institute. Food, soft drinks, beer, and wine provided.

Day 2 | July 17th

08:45 - 09:00 - Opening introduction. Andrew Allen

Session 1: Synthetic, Systems, and Cell Biology

Chair: Thomas Mock

09:00 - 09:15 - The molecular basis for pore pattern morphogenesis in diatom silica. Nils Kröger

09:15 - 09:30 - Functional membrane interactions regulate silica formation in diatoms. Lior Aram

09:30 - 09:45 - Understanding the Role of Organic Molecules and Phosphate Ions in the Formation of Silica Valve in Diatoms: Phase Separation Approach. Svetlana Petrenko

09:45 - 10:00 - Investigating phosphorus-calcium signalling in the marine diatom Phaeodactylum tricornutum. Yasmin Meeda

10:00 - 10:15 - Loss of an ABC1K8-like gene in Phaeodactylum tricornutum results in severely altered plastid ultrastructure upon high light stress. Manuel Serif

10:15 - 10:30 - Individuality in cell fate decisions in marine diatoms. Assaf Vardi

10:30 - 11:00 - Multi-species comparative -omics reveals marker genes for the diatom life cycle. Gust Bilcke

11:00 - 11:30 - Coffee Break

11:30 - 12:00 - Endogenous and high-throughput GFP tagging in Thalassiosira pseudonana to understand pyrenoid structure and function. Luke Mackinder

12:00 - 12:15 - A spatially determined protein-protein interactome of the Thalassiosira pseudonana pyrenoid. Onyou Nam

12:15 - 12:30 - Pyrenoid-core CO2 evolving machinery is essential for diatom photosynthesis in current and elevated CO2 world. Ginga Shimakawa

12:30 - 12:45 - Structure and function of diatom pyrenoid. Yusuke Matsuda

12:45 - 13:15 - Encasing carbon fixation: the pyshell in diatoms. Manon Demulder

13:15 - 14:15 - Lunch

Session 2: Ecology and Biogeochemistry I

Chair: Bryndan Durham

14:15 - 14:45 - Diatom responses to light: from the study of molecular processes to ecosystems. Angela Falciatore

14:45 - 15:00 - Diatom metaproteomes provide insight into the elemental stoichiometry of a changing Southern Ocean. Loay Jabre

15:00 - 15:15 - Diverging diatom community structure and activity between the Subtropical Gyre and the North Pacific Transition Zone reflects community productivity. Sacha N. Coesel

15:15 - 15:30 - Diatom abundance and diversity patterns in a coastal upwelling biome. Robert Lampe

15:30 - 15:45 - Molecular characterization of the northern Adriatic (Mediterranean Sea) diatom community – the comprehensive approach. Mia Knjaz

15:45 - 16:30 - Coffee Break

16:30 - 17:00 - Using ancient DNA from marine sediments (sedaDNA) to reconstruct Antarctic diatom communities. Linda Armbrecht

17:00 - 17:30 - Enrichment of ammonium in the future ocean threatens diatom productivity. Pearse Buchanan

17:30 - 17:45 - Predicting the metabolic responses of ubiquitous diatom Cylindrotheca closterium to distinct marine environments. Manish Kumar

17:45 - 19:15 - Poster Session I: Even numbers only. See poster assignments

19:15 - 19:45 - Invited Speaker: That sinking feeling: Plankton motility and behavior in an unbounded ocean. Manu Prakash

Day 3 | July 18th

Session 3: Ecology and Biogeochemistry II

Chair: Eveline Pinseel

09:00 - 09:30 - Symbiosis in marine unicellular eukaryotes. Flora Vincent

09:30 - 09:45 - Genome of Epithemia diatoms containing nitrogen-fixing endosymbionts. Ellen Yeh

09:45 - 10:00 - Hemiaulus-Richelia responses to exogenous nitrogen – from transcripts to rates. Samantha Setta

10:00 - 10:15 - Vitamin B6 derivatives mediate symbiotic exchanges between microalgae and bacteria. Lisa SY Coe

10:15 - 10:45 - Coffee Break

10:45 - 11:00 - Bacterial interactions with Phaeodactylum tricornutum: from nutrient remineralization to parasitism. Xavier Mayali

11:00 - 11:15 - Diatom-bacteria interactions: the role of diatom exometabolites in shaping the microbiome. Rhona Stuart

11:15 - 11:30 - Foreign microbiomes maintain functionality but lack interaction complexity in diatom-bacteria associations in a marine biofilm. Rita Bogorad

11:30 - 11:45 - Deciphering stress resilience and programed cell death mechanisms in marine diatoms. Mai Sadeh

11:45 - 13:00 - Lunch

Session 4: Evolution, Genomics, and Genome Biology

Chair: Chris Bowler

13:00 - 13:30 - Is variation the spice of (diatom) life?. Tatiana Rynearson

13:30 - 13:45 - Local adaptation of a marine diatom is governed by intricate genome-wide changes in diverse metabolic pathways. Eveline Pinseel

13:45 - 14:00 - The role of mitotic recombination in the evolution of diatoms. Antonia Otte

14:00 - 14:15 - High genetic diversity and apparent panmixia in an endemic Southern Ocean diatom. Ian W. Bishop

14:15 - 14:45 - Genome size evolution in the Thalassiosirales. Wade Roberts

14:45 - 15:00 - Shedding light on the noncoding transcriptome of 101 diatom species. Helena Cruz de Carvalha

15:00 - 15:15 - Epigenomic mechanisms of survival to the polar night In the diatom Fragilariopsis cylindrus. Juliette Laude

15:15 - 15:30 - Genome-wide analysis reveals differential methylation at the sex determination region in the diatom Pseudo-nitzschia multistriata. Antonella Ruggiero

15:30 - 16:15 - Coffee Break

Session 5: Molecular Ecophysiology I

Chair: Hanhua Hu

16:15 - 16:45 - On the life cycle of chain forming diatoms and biogeochemical carbon and nitrogen fluxes in the sea. Helle Ploug

16:45 - 17:00 - Dynamic thylakoids remodeling in diatoms promotes energy distribution between PSII and PSI. Serena Flori

17:00 - 17:15 - The violaxanthin cycle can provide Non-Photochemical Quenching in Phaeodactylum tricornutum. Chiara E. Giossi

17:15 - 19:45 - Poster Session II: Odd numbers only. See poster assignments

Day 4 | July 19th

Session 6: Biotechnology, Technical Developments, and Tools

Chair: Andy Allen

09:00 - 09:30 - Frustrated frustules: Geometric frustration in the diatom cell wall. Maria Feofilova

09:30 - 09:45 - Assessment of Correlation Between Findings of Omics Studies on Chitin Biosynthesis in Diatoms and Actual Chitin Nanofiber Productivity Characteristics. Cemre Agaoglu

09:45 - 10:00 - How to stabilize heterologous proteins in Phaeodactylum tricornutum by overexpressing an endogenous Cystatin. Elisa Fantino

10:00 - 10:15 - Transformation Methods for Nitzschia Diatoms: New Tools to Better Understand Dinotom Endosymbiosis. Brittany N. Sprecher

10:15 - 10:45 - Diatoms for biofuels and bioproducts. Aga Pinowska

10:45 - 11:00 - Secretion of fatty acids by fusion lipase with oil body-associated protein in Fistulifera solaris JPCC DA0580. Marshila Kaha

11:00 - 11:15 - Unlocking pinene biosynthesis in Phaeodactylum tricornutum through chloroplast compartmentalization. Nicola Trevisan

11:15 - 11:30 - Developing vitamin-regulated genetic elements for the production of high-value compounds such as terpenoids in Phaeodactylum tricornutum. Katrin Geisler

11:30 - 12:00 - Coffee Break

12:00 - 12:15 - DiatOmicBase, a gene-centered platform to mine functional omics data across diatom genomes. Chris Bowler

12:15 - 14:00 - Special Session on Diatom Genome Projects

Chairs: Thomas Mock and Nadine Rijsdijk

12:15 - 12:45 - 100DGP - Overview and first insights. Thomas Mock

12:45 - 13:05 - Practical aspects of the project. Nadine Rijsdijk

13:05 - 13:20 - PLAZA Diatoms. Gust Bilcke

13:20 - 13:30 - Break

13:30 - 13:45 - Repetitive content of phytoplankton genomes. Ian Bishop

13:45 - 14:00 - Metabolic engineering in P. tricornutum. Katrin Geisler

14:00 - 14:15 - Chaetoceros genomes project. Chris Bowler

14:00 - 19:30 - Afternoon Free Time

19:30 - Banquet

Day 5 | July 20th

Session 7: Molecular Ecophysiology II

Chair: Yusuke Matsuda

10:00 - 10:30 - Molecular basis of Thalassiosira pseudonana entering a resting state to survive a prolonged cold and darkness. Jun-Rong Liang

10:30 - 10:45 - A cold-adapted xanthorhodopsin proton pump supports growth of diatoms under iron-limitation. Longji Deng

10:45 - 11:00 - Divergent functions of two clades of flavodoxin in diatoms mitigate oxidative stress and iron limitation. Shiri Graff van Creveld

11:00 - 11:45 - Coffee Break

11:45 - 12:15 - The diatom cistrome: mapping transcription factor binding sites in the Phaeodactylum tricornutum genome. Sarah Smith

12:15 - 12:30 - Identification of a bHLH transcription factor involved in biofilm formation and morphological change of the diatom Phaeodactylum tricornutum. Ruquian Yang

12:30 - 12:45 - A removable, potentially cosmopolitan dsRNA Toti-like virus in a model diatom. Jiahuan Zhang

12:45 - 13:00 - Calcium-mediated stress signalling in the intertidal diatom Phaeodactylum tricornutum. Eleanor A. Murphy

13:00 - 13:15 - A photosynthetic knock-out mutant of the plastidial ATPase in Cyclotella cryptica reveals essential plastid functions and metabolic interplays in diatoms. Erik. L. Jensen

13:15 - 15:00 - Lunch

Session 8: Molecular Ecophysiology III

Chair: Andy Allen

15:00 - 15:15 - Insights into the life strategies of marine diatoms from the genus Chaetoceros. Mirta Smodlaka Tankovic

15:15 - 15:30 - Photosynthetic Growth of Arctic Marine Microalgae in Extreme Low Light. Sneha Sivaram

15:30 - 16:00 - Poster award lightning talks

16:00 - Closing Remarks