J Integr Plant Biol. ›› 2007, Vol. 49 ›› Issue (8): 1119-1128.DOI: 10.1111/j.1672-9072.2007.00541.x

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Microtubule Associated Proteins in Plants and the Processes They Manage

Despina Kaloriti, Charitha Galva, Chaithanyarani Parupalli, Noha Khalifa, Megan Galvin and John C. Sedbrook   

  • Published:2007-08-04

Abstract: Microtubule associated proteins (MAPs) are proteins that physically bind to microtubules in eukaryotes. MAPs play important roles in regulating the polymerization and organization of microtubules and in using the ensuing microtubule arrays to carry out a variety of cellular functions. In plants, MAPs manage the construction, repositioning, and dismantling of four distinct microtubule arrays throughout the cell cycle. Three of these arrays, the cortical array, the preprophase band,and the phragmoplast, are prominent to plants and are responsible for facilitating cell wall deposition and modification,transducing signals, demarcating the plane of cell division, and forming the new cell plate during cytokinesis. This review highlights important aspects of how MAPs in plants establish and maintain microtubule arrays as well as regulate cell growth, cell division, and cellular responses to the environment.

Key words: cell expansion, cytoskeleton, microtubule-associated proteins, microtubules, microtubules plus end interacting proteins.

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