You are not currently logged in.
Access JSTOR through your library or other institution:
Truncated myosin XI tail fusions inhibit peroxisome, Golgi, and mitochondrial movement in tobacco leaf epidermal cells: a genetic tool for the next generation
Imogen A. Sparkes, Nicholas A. Teanby and Chris Hawes
Journal of Experimental Botany
Vol. 59, No. 9 (2008), pp. 2499-2512
Published by: Oxford University Press
Stable URL: http://www.jstor.org/stable/24037545
Page Count: 14
You can always find the topics here!Topics: Organelles, Peroxisomes, Epidermal cells, Velocity, Plant cells, Actins, Movies, Plants, Mitochondria, Cytosol
Were these topics helpful?See somethings inaccurate? Let us know!
Select the topics that are inaccurate.
Preview not available
Although organelle movement in higher plants is predominantly actin-based, potential roles for the 17 predicted Arabidopsis myosins in motility are only just emerging. It is shown here that two Arabidopsis myosins from class XI, XIE, and XIK, are involved in Golgi, peroxisome, and mitochondrial movement. Expression of dominant negative forms of the myosin lacking the actin binding domain at the amino terminus perturb organelle motility, but do not completely inhibit movement. Latrunculin B, an actin destabilizing drug, inhibits organelle movement to a greater extent compared to the effects of AtXIE-T/XIK-T expression. Amino terminal YFP fusions to XIE-T and XIK-T are dispersed throughout the cytosol and do not completely decorate the organelles whose motility they affect. XIE-T and XIK-T do not affect the global actin architecture, but their movement and location is actin-dependent. The potential role of these truncated myosins as genetically encoded inhibitors of organelle movement is discussed.
Journal of Experimental Botany © 2008 Oxford University Press