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Transcript
Microtubules and the shape of plant cells Clive Lloyd, Department of Cell and Developmental Biology, John Innes Centre, NORWICH NR4 7UH, UK Microtubules provide the tracks that membrane-bound cellulose synthases follow as they are propelled along the membrane by the extrusion of microfibrils. Ultimately, it is the direction in which these microfibrils are aligned that determines the direction in which the cell will expand. Over recent years, we have come to appreciate that the microtubules are far from the static templates conceived in early models. I will discuss recent data on the surprisingly dynamic nature of the microtubule cytoskeleton as an integral structure, its influence on the organization of cell wall microfibrils and the role of microtubule-associated proteins as modulators.