International Conference on Plant Proteostasis
from the 10th to the 13th of September
University of Freiburg
Tuesday, September 10th
16:00 – 18:00 Registration
18:00 – 18:15 Welcome
18:15 – 19:15 EMBO Keynote Lecture: Roberto Solano, CNB-CSIC (Spain)
Evolution of E3 ubiquitin ligase SCFCOI1 in land plants
chair: Marco Trujillo
19:30 Reception
Wednesday, September 11th
SESSION 1 Ub-like Modifications & Immunity-I
Chair: Erika Isono
09:00 – 09:20 Ari Sadanandom, University of Durham (U.K.)
SUMO in plant stress signalling
09:20 – 09:40 Claus Schwechheimer, Technische Universität München, (Germany)
DENEDDYLASE1 protein counters automodification of neddylating enzymes tomaintain NEDD8 protein homeostasis in arabidopsis
09:40 – 10:00 Libo Shan, Texas A&M University (U.S.A)
Differential ubiquitination regulates the cell surface receptor-like kinase complexes in plant immunity and growth
10:00 – 10:20 Marco Trujillo, Albert-Ludwigs-University Freiburg (Germany)
Ubiquitin-conjugating enzymes: dynamic modulators of ubiquitin signalling
10:20 – 10:35 Jacqueline Monaghan (selected talk), Queen’s University (Canada)
Interplay between phosphorylation and ubiquitination in plant immune signalling
10:35 – 11:05 coffee break
SESSION 2 E3 Ubiquitin Ligases & Signalling I
Chair: Michael Holdsworth
11:05 – 11:25 Pascal Genschik, IMPB-CNRS (France)
Post-translational control of ARGONAUTE1 by F-box proteins
11:25 – 11:45 Judy Callis, University of California, Davis (U.S.A)
Two Ubiquitin E3 Ligases Families and Regulation of ABFs in Stress Responses
11:45 – 12:05 Luz Irina A. Calderón Villalobos, Leibniz Institute of Plant Biochemistry (Germany)
Small molecule-triggered protein ubiquitylation and degradation- learning from auxin sensing
12:05 – 12:25 Steven Spoel, University of Edinburgh (U.K.)
Cellular functions of proteasome-associated ubiquitin ligase activity
12:25 – 15:00 Lunch break & poster session (odd numbers)
SESSION 3 Vesicle Trafficking-I & DUBs
Chair: Giovanna Serino
15:00 – 15:20 Marisa Otegui, University of Wisconsin-Madison (U.S.A)
Membrane remodelling during endosomal sorting
15:20 – 15:40 Erika Isono, University of Konstanz (Germany)
Ubiquitin adaptor proteins in the ESCRT-pathway
15:40 – 16:00 Langin Gautier (selected talk), University of Tübingen (Germany)
Specificity of proteasome regulation by tail-anchored transcription factors during plant immunity
16:00 – 16:15 Hannes Vanhaeren (selected talk), VIB Deptartment of Plant Systems (Belgium)
The ubiquitin-specific proteases 12 and 13 regulate leaf growth by modulating the activity of growth-limiting peptidases
16:15 – 16:30 Xiaohong Zhuang (selected talk), The Chinese University of Hong Kong (China)
Multiple roles of SH3P2 in plant autophagy
16:30 – 17:00 coffee break
SESSION 4 Autophagy I & Protein Quality Control I
Chair: Luz Irina A. Calderón Villalobos
17:00 – 17:20 Suayib Üstün, University of Tübingen (Germany)
Crosstalk between autophagy and intracellular trafficking processes during plant immunity
17:20 – 17:40 Markus Wirtz (selected talk), University of Heidelberg (Germany)
The role of autophagy for nutrient stress-induced development plasticity
17:40 – 18:00 Nuria S. Coll, Centre for Research in Agricultural Genomics (Spain)
Understanding the role and dynamics of stress-induced protein aggregates in plants
18:00 – 18:20 Daniel Gibbs, University of Birmingham (U.K.)
Redundant and specialized roles for Arabidopsis NOT4 E3 ligases in protein biogenesis and quality control
18:20 – 18:40 Pablo Pulido (selected talk), University of Oxford (U.K)
Ubiquitin-dependent chloroplast-associated protein degradation in plants
19:00 – 23:00 Conference dinner at Peterhofkeller
Thursday, September 12th
SESSION 5 N-degrons and Immunity-II
Chair: Claus Schwechheimer
09:00 – 09:20 Michael Holdsworth, University of Nottingham (U.K.)
Defining the roles of N-degron pathways and their substrates
09:20 – 09:40 Andreas Bachmair, University of Vienna (Austria)
N-degrons and N-recognins in plants
09:40 – 10:00 Emmanuelle Graciet, Maynooth University (Ireland)
Differential N-degron degradation of RIN4/NOI fragments after cleavage by the AvrRpt2 effector protease
10:00 – 10:20 Paul Birch (selected talk), University of Dundee (U.K.)
A pathogen turns ‘immunity on’ to ‘immunity off’ with a flick of the (blue light) switch
10:20– 10:35 Beatriz Orosa (selected talk), Institute of Molecular Plant Sciences
Diverse ubiquitin chain linkage types orchestrate the immune response
10:35 – 11:05 coffee break
SESSION 6 E3 Ubiquitin Ligases & Signaling-II
Chair: Marisa Otegui
11:05 – 11:25 Stefan Hoth, University Hamburg (Germany)
Guarding of the ubiquitin system at the plasma membrane
11:25 – 11:45 Pedro Rodriguez, IBMCP CSIC-UPV (Spain)
Regulation of the ABA signalling by E3 ubiquitinligases that target ABA receptors and PP2Cs
11:45 – 12:05 Ute Hoecker, University of Cologne (Germany)
Control of light signal transduction by the COP1/SPA ubiquitin ligase
12:05 – 12:25 Sandra Noir (slected talk), IMBP-CNRS (France)
Implications of the F-box protein FBL17 in DNA damage responses in Arabidopsis thaliana
12:25 – 15:00 Lunch break & poster session (even numbers)
SESSION 7 Ub-like Modification-II & Technologies
Chair: Steven Spoel
15:00 – 15:20 Harrold van den Burg, University of Amsterdam (Netherlands)
SUMO protein modification prevents thermolethality and sustains Arabidopsis shoot growth in warm periods
15:20 – 15:40 Maria Lois, CSIC (Spain)
SUMO activation across evolution
15:40 – 16:00 Giovanna Serino, Sapienza Universita’ di Roma (Italy)
Water deficit regulates CSN activity and CRL neddylation in Arabidopsis thaliana
16:00 – 16:20 Freddie Theodoulou, Plant Sciences, Rothamsted Research (U.K.)
Tandem fluorescent protein timers for relative protein lifetime measurement and their use to study N-degron pathways
16:20 – 16:35 Francesco Licausi (selected talk), University of Pisa (Italy)
Engineering oxygen-conditional proteolysis to guide plant adaptationto hypoxia
16:30 – 17:05 coffee break
SESSION 8 Autophagy II & DUBs
Chair: Nuria Sanches Coll
17:05 – 17:25 Yasin Dagdas, Gregor Mendel Institute, Vienna Biocenter (Austria)
Bridging the gap between selective autophagy and the unfolded protein response in plants
17:25 – 17:45 Alex Leary (selected talk), Imperial College London (U.K.)
Reprogramming of autophagy during pathogen attack
17:45 – 18:05 Daphne Goring, University of Toronto (Canada)
A role for autophagy in the Brassicaceae self-incompatibility pathway
18:05 – 18:20 Venkatesh P. Thirumalaikumar (selected talk), Max Planck Inst. for Mol. Plant Physiology (Germany)
Investigating the selective role of NBR1 during thermomemory in Arabidopsis thaliana
18:20 – 18:30 Break
18:30 – 19:30 Keynote Lecture: Richard Vierstra, Washington University in St. Louis (U.S.A.)
Autophagy: the master effector of proteostasis
Chair: Pascal Genschik
Friday, September 13th
SESSION 9 Protein Quality Control & Vesicle trafficking-II
Chair: Ari Sadanandom
09:00 – 09:20 Qi Xie, Inst. of Genetics and Dev. Biology, Chinese Academy of Sciences (China)
ERAD tuning in plants
09:20 – 09:40 Barbara Korbei (selected talk), University of Natural Resources and Life Sciences (Austria)
Function and regulation of TOLs: ubiquitin receptors in the endosomal system.
09:40 – 10:00 Vicente Rubio, Centro Nacional de Biotecnología-CSIC (Spain)
Stomatal aperture and turnover of ABA receptors are regulated by rolex Arabidopsis ALIX
10:00 – 10:20 Grégory Vert, LRSV – CNRS/University of Toulouse (France)
Ubiquitin-mediated endocytosis of the BRI1 steroid hormone receptor
10:20 – 10:50 coffee break
10:50 – 11:20 Best Posters Awards
11:20 – 12:20 General discussion (funding initiatives, guidelines, next meeting)
12:20 Closing remarks
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