Kris Vissenberg
Professor at University of Antwerp
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Positions (1)
Jonas Schoelynck
University of Antwerp
1 month ago
The University of Antwerp invites applications for a full-time doctoral scholarship holder in the field of Plant Ecophysiology within the Department of Biology, Faculty of Sciences. This PhD project focuses on understanding how hydrodynamic forcing shapes root development in submerged water plants (macrophytes) at both morphological and physiological levels. The research utilizes plant physiology and biochemistry approaches, including the use of the artificial river facility, the Mesodrome, to simulate environmental conditions. The project aims to advance knowledge in plant ecophysiology, with particular emphasis on transcriptome and hormone analysis, and will contribute to scientific publications in the field. As a doctoral researcher, you will actively prepare and defend a PhD thesis, participate in limited teaching and research support tasks, and engage with a dynamic academic environment at the Groenenborger Campus. The position offers a two-year doctoral scholarship, renewable for another two years following a positive evaluation. The monthly scholarship amount is determined according to university rates, and additional benefits include ecocheques, internet-connectivity allowance, and either a bicycle allowance or full reimbursement of public transport costs for commuting. You will also have access to a wide range of courses and educational credit through the Antwerp Doctoral School. Applicants must hold a Master degree in Biology or Bioscience Engineering, demonstrate excellent academic results and relevant laboratory skills, and possess teaching and research competences aligned with the University of Antwerp’s vision and policies. Fluency in English, both written and oral, is required. Experience with transcriptome and hormone analysis is considered an asset. The university encourages diversity and equal opportunities, welcoming applicants from all backgrounds. The application deadline is 31 August 2026. To apply, complete the online application form and submit a motivation letter, academic CV, MSc thesis resume, and two reference letters. The selection committee will review applications after the deadline and notify candidates regarding next steps. For questions about the application process, contact [email protected]. For job-specific inquiries, reach out to the PhD supervisors, Dr. Jonas Schoelynck and Professor Kris Vissenberg. This opportunity is ideal for candidates interested in plant ecophysiology, biochemistry, and environmental science, offering a supportive and innovative research environment at a leading European university.
1 month ago
Articles (14)
Year:
2023
Assembly of cell wall polysaccharides into specific patterns is required for plant growth. A complex of RAPID ALKALINIZATION FACTOR 4 (RALF4) and its cell wall–anchored LEUCINE-RICH REPEAT EXTENSIN 8 (LRX8)–interacting protein is crucial for cell wall integrity during pollen tube growth, but its molecular connection with the cell wall is unknown. Here, we show that LRX8-RALF4 complexes adopt a heterotetrametric configuration in vivo, displaying a dendritic distribution. The LRX8-RALF4 complex specifically interacts with demethylesterified pectins in a charge-dependent manner through RALF4’s polycationic surface. The LRX8-RALF4-pectin interaction exerts a condensing effect, patterning the cell wall’s polymers into a reticulated network essential for wall integrity and expansion. Our work uncovers a dual structural and signaling role for RALF4 in pollen tube growth and in the assembly of complex extracellular polymers.
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2023
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2020
Collaborators (13)
Stephan Wagner
Lecturer
University of Bonn
Thimo Groffen
University of Antwerp
Julia Santiago
University of Lausanne
Alex Costa
Professor
University of Milan
Sophie Lichtenauer
University of Münster
Stefan Naulaerts
Katholieke Universiteit Leuven
Niko Geldner
Full Professor
University of Lausanne
Marc Somssich
University of Melbourne
Els Prinsen
professor
University of Antwerp
Ann Cuypers
Professor Biology
Universiteit Hasselt
Markus Schwarzländer
Principle Investigator/ Professor
Westfälische Wilhelms-Universität Münster
Jozef Mravec
Assistant Professor
Københavns Universitet
Ueli Grossniklaus
Full Professor
University of Zurich
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