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PhD student Özer Erguvan (left) at his favourite microscope, together with his supervisor Stéphane Verger (right) (photo: Anne Honsel).
PhD student Özer Erguvan discovered two key sites in plant cell walls that help cells stick together - findings that challenge textbook knowledge. He also found that sugars play a role in this process. In this interview, he shares insights from his PhD journey.
Read more: New discovery challenges old assumptions about how plant cells stick together
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PhD student Laura García Romañach is participating in the Researcher's Grand Prix.
On October 10, Laura García Romañach, a PhD student at SLU, will take to the stage at SciFest to compete in the Researcher's Grand Prix. Using dating apps as a metaphor, she will explain the science behind tree breeding – and why her research is crucial in the face of climate change.
Read more: Looking for the perfect tree partner – Laura competes in the Researcher's Grand Prix
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Ove Nilsson's group has identified a "temperature sensor" that helps trees integrate temperature and day length when deciding to enter dormancy. Four of the six authors of the study are still active in the group (from left to right): Keh Chien Lee, Laura García Romañach, Bo Zhang, Ove Nilsson (photo: Anne Honsel).
Even in summer, sudden cold snaps are common in northern regions such as Umeå. To survive, trees must know when to keep growing and when to stop and prepare for winter. Now, researchers at UPSC have discovered how aspen trees sense temperature and combine it with daylight to make that decision.
Read more: Aspen trees integrate light and temperature to time bud set
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From bud burst to bud set: The different stages of the annual growth cycle in a juvenile aspen tree. Illustration: Domenique André
Aspen trees follow a precise annual rhythm, shaped by the changing seasons. Researchers at UPSC have mapped this natural calendar at the genetic level, comparing trees grown outdoors and in the lab. Their study offers a detailed look into the molecular choreography behind the trees’ seasonal life.
Read more: Scientists map aspen tree genes across seasons, creating a detailed genetic roadmap
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In December last year, Luis Berríos-Negrón, UmArts Research Fellow in Art and Architecture, staged a performance at the UPSC Tree Phenotyping Platform, reimagining it as a ‘tree nursery’. To challenge conventional views of forests and propose trees as sentient beings worthy of care, he transformed the scientific setting into a multisensory experience using sound art, song and live action. In this interview, he talks about the roots of his research and what drew him to the UPSC platform.
Read more: Artistic research turns tree science into a sensory experience
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To investigate how the apical hook forms and opens, researchers grow thale cress seedlings in darkness. Photo: Qian Ma
Seedlings bend their tip as they grow through soil, then straighten when they reach light. Scientists from Umeå have, after years of challenging research, identified a protein that promotes this straightening by regulating cell growth through the plant hormone auxin.
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Rubén Casanova Sáez is loading a sample into the microfluidics unit of the C-trap instrument. Photo: Mattias Pettersson, Umeå University
The C-Trap Facility at Umeå Plant Science Centre is the result of a joint effort of different departments and faculties at Umeå University. Now fully operational, it opens up exciting new possibilities for research at the single molecule scale. At the heart of the facility is the C-trap instrument, which combines laser-based optical tweezers with advanced microfluidics and confocal microscopy, enabling scientists to manipulate and observe dynamic molecular processes in real time.
Read more: New research facility allows scientists to watch molecules in action
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The main authors of the study, Totte Niittylä (left) and Wei Wang (right), began working with OPENER while searching for unknown genes essential for early seed development in Arabidopsis. Photo: Rebecca Forsberg
Scientists have uncovered the functions of many genes and proteins across different organisms, but much is still unknown. Now, researchers at Umeå Plant Science Centre have identified the function of a protein complex involved in establishing protein production in plants.
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Laura Tünnermann (middle) received the Marschner Young Scientist Award in Porto from Marta Vasconcelos (right) from the Catholic University of Portugal and president of the International Plant Nutrition Council and from selection committee member Zed Rengel (left) from the University of Western Australia (photo credit: International Plant Nutrition Council).
Last week, the International Plant Nutrition Council announced the winners of the prestigious Marschner Young Scientist Award. Laura Tünnermann was selected as one of two recipients in the PhD student category and received the award at the 20th International Plant Nutrition Colloquium in Porto.
Read more: Laura Tünnermann receives the Marschner Young Scientist Award
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Researchers from various disciplines came together in Umeå in June to discuss their work related to tree ring research (photo: Anne Honsel).
From 15 to 20 June, tree rings were in focus in Umeå during the international TRACE 2025 conference. Around 150 researchers and students from archaeology, climatology and ecology gathered to exchange knowledge and methodologies for tree ring analysis while enjoying the long Swedish summer days.
Read more: Tree rings build cross-disciplinary bridges at TRACE 2025 in Umeå