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COBRA, an Arabidopsis Extracellular Glycosyl-Phosphatidyl Inositol-Anchored Protein, Specifically Controls Highly Anisotropic Expansion through its Involvement in Cellulose Microfibril Orientation

Roudier, Francois; Fernandez, Anita G; Fujita, Machiko; Himmelspach, Regina; Borner, Georg H H; Schindelman, Gary; Song, Shuang; Baskin, Tobias I; Dupree, Paul; Wasteneys, Geoffrey; Benfey, Philip N


The orientation of cell expansion is a process at the heart of plant morphogenesis. Cellulose microfibrils are the primary anisotropic material in the cell wall and thus are likely to be the main determinant of the orientation of cell expansion. COBRA (COB) has been identified previously as a potential regulator of cellulose biogenesis. In this study, characterization of a null allele, cob-4, establishes the key role of COB in controlling anisotropic expansion in most developing organs....[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
Source: The Plant Cell
DOI: 10.1105/tpc.105.031732


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