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University of Natural Resources and Life Sciences, Institute of Applied Genetics and Cell Biology (IAGZ), Vienna, Austria

  • Actin-Dependent Vacuolar Occupancy of the Cell Determines Auxin-Induced Growth Repression

    The cytoskeleton is an early attribute of cellular life, and its main components are composed of conserved proteins. The actin cytoskeleton has a direct impact on the control of cell size in animal cells, but its mechanistic contribution to cellular growth in plants remains largely elusive. Here, we reveal a role of actin in regulating cell size in plants. The actin cytoskeleton shows proximity to vacuoles, and the phytohormone auxin not only controls the organization of actin filaments but also impacts vacuolar morphogenesis in an actin-dependent manner.
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  • Influence of Tissue and Plant Species in the Trafficking of a Recombinant Protein in Plant Cells

    The development of recombinant DNA technology has allowed the use of plants for the production of biopharmaceuticals. In contrast to other production platforms, plants are unexpensive, easy to scale up and lack human pathogens. Moreover, because plants are eukaryotes they can process and modify complex human proteins.
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  • Recovery of Recombinant Antibody is Affected by Endogenous Protein Interaction in Maize

    Seeds provide a useful and versatile platform for the production of recombinant proteins and their numerous advantages have been often discussed. Among seeds, cereal crops offer additional advantages such as high yield and well-stablished agricultural infrastructure which allows easy up and down scaling in response to demand.
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  • Protein Trafficking in Cereal Seeds

    Seeds accumulate proteins and starch which will be broken down and mobilized upon germination. Among seeds, cereals constitute an example of a highly specialized storage tissue that constitutes up to 80% of the total seed volume (Watson 1987). The seed endomembrane system is highly specialized and seed storage proteins travel through the endomembrane system en route to the protein bodies, which are either derived from the Endoplasmic reticulum (ER) or of vacuolar origin (Muntz 1998).
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