Navigating the plant cell: intracellular transport logistics in the green kingdom |
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| Authors: | Anja Geitmann Andreas Nebenführ |
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| Affiliation: | University of Virginia;aDepartment of Biological Sciences, Institut de recherche en biologie végétale, University of Montreal, Montreal, QC H1X 2B2, Canada;bDepartment of Biochemistry and Cellular and Molecular Biology, University of Tennessee, Knoxville, TN 37996-0840 |
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| Abstract: | Intracellular transport in plant cells occurs on microtubular and actin arrays. Cytoplasmic streaming, the rapid motion of plant cell organelles, is mostly driven by an actin–myosin mechanism, whereas specialized functions, such as the transport of large cargo or the assembly of a new cell wall during cell division, are performed by the microtubules. Different modes of transport are used, fast and slow, to either haul cargo over long distances or ascertain high-precision targeting, respectively. Various forms of the actin-specific motor protein myosin XI exist in plant cells and might be involved in different cellular functions. |
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