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Professor of Forest Tree Physiology - SLU |
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Forest Tree Physiology at the Department of Department of Forest Genetics and Plant Physiology, Umeå
Subject area: The faculty is seeking a Professor of Forest Tree Physiology and Genomics for a position in the Department of Forest Genetics and Plant Physiology in Umeå. Together with the Department of Plant Physiology, Umeå University, the department forms the Umeå Plant Science Centre (UPSC) www.upsc.se, one of Europe's strongest research centres in experimental plant research. UPSC has about 190 staff members, including more than 30 group leaders. The research in UPSC is focused on diverse aspects of plant science, ranging from ecophysiology to cell biology, plant molecular biology and forest genetics. It is equipped with state-of-the-art technology platforms for functional genomics, proteomics, metabolomics, microscopy and facilities for tree transformation and transgenic plant growth. Several major research projects are ongoing, for example, BioImprove www.bioimprove.se , Bio4Energy www.bio4energy.se, Trees and Crops for the Future www.TC4F.se and the Berzelii Centre for Forest Biotechnology programme www.upsc.se/Berzelii centre.
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Postdoctoral position in analytical chemistry/mass spectrometry at Umeå Plant Science Centre |
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We are seeking a highly motivated Postdoctoral Fellow to join our team investigating auxin metabolism and auxin gradient formation in developing Arabidopsis thaliana roots.
Project description:
The postdoctoral fellow is required to work closely with other researchers in the "ShapeSystems - Systems Biology of Plant Cell Shape" project - an interdisciplinary project funded by the Knut and Alice Wallenberg Foundation. This large-scale initiative is aimed at developing our understanding of the mechanisms integral to plant cell shape formation. As a member of the project team, your role will be to investigate auxin gradients and auxin biosynthesis rates, as well as profile auxin precursors and catabolites/conjugates in higher-order Arabidopsis thaliana mutant combinations for components of auxin metabolic pathways. The goal is to understand how auxin metabolism and transport shapes the auxin gradient, and if there are feedback circuits between auxin perception, vesicle trafficking, the cytoskeleton, the cell wall and auxin gradient formation. Auxin is one of the best-characterized plant growth substances, yet the detection of its distribution within plants, particularly at the tissue and cellular levels, remains challenging. We have developed ultra-sensitive, mass spectrometry-based methods to measure steady state levels and biosynthesis rates of auxin and auxin metabolites in a tissue and cell-type specific manner. These methodologies have been instrumental in revealing correlations between local auxin metabolism and distribution and processes regulating cell division, cell elongation and differentiation in the Arabidopsis root system. The mass spectrometry lab at UPSC is well equipped with instruments for LC and GC MS and MS/MS analysis, including Agilent 6490 and 6490 QqQ LC-MS/MS instruments, an Agilent 7000A QqQ GC-MS/MS instrument and a Thermo LTQ Orbitrap XL LC-MS/MS instrument.
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Read more... [Postdoctoral position in analytical chemistry/mass spectrometry at Umeå Plant Science Centre]
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Postdoctoral Position (2 years) at Umeå Plant Science Centre |
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Project title
Understanding the molecular mechanisms regulating xylem vessels lignification.
Project description
Higher plants have adapted to land life by developing a specific vascular system, named xylem, which enables both the hydro-mineral conduction/distribution and strengthens plant organ axis. The vascular function of this tissue is enabled by specific cells, named tracheary elements (TEs), which have two distinct morphological features including (i) a secondary cell wall reinforcing the cell lateral walls and (ii) a hollow content obtained by cell suicide. The full differentiation of xylem vessels requires the impregnation of its secondary cell wall with lignin, a polyphenolic polymer, which has recently been shown to occur after the TE cell death (Pesquet et al., 2013). To further understand mechanistically how post-mortem lignification operates, a combination of cell biology using Arabidopsis TE differentiating cell cultures (Pesquet et al., 2010) and whole plant mutants will be used. Investigations will include genetic, molecular biology, cell biology, protein and cell wall biochemistry to unravel the molecular mechanisms controlling the post-mortem lignification of TEs.
The postdoctoral fellow will work in Dr. Edouard Pesquet's research team (working on xylem vessel formation), http://www.upsc.se/edouard_pesquet
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Read more... [Postdoctoral Position (2 years) at Umeå Plant Science Centre]
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Principal research engineer position available at UPSC |
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The position is at full time, and limited to 18 months.
For more information and how to apply (in Swedish) |
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May 2013 |
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UPSC på Svenska 
