Article
Mutation or drug-dependent microtubule disruption causes radial swelling without altering parallel cellulose microfibril deposition in Arabidopsis root cells.
The Plant cell - 1 Jun 2003
Sugimoto Keiko, Himmelspach Regina, Williamson Richard E, Wasteneys Geoffrey O
Abstract excerpt
As critical determinants of growth anisotropy in plants, cortical microtubules are thought to constrain the movement of cellulose synthase complexes and thus align newly deposited cellulose microfibrils. We tested this cellulose synthase constraint model using the temperature-sensitive mor1-1 mutant of Arabidopsis. Contrary to predictions, the disruption of cortical microtubules in mor1-1 root epidermal cells led...
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