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ASSOCIATION OF MULTIPLE GTP-BINDING PROTEINS WITH THE PLANT CYTOSKELETON AND NUCLEAR MATRIX

DROBAK, BK; WATKINS, PAC; BUNNEY, TD; DOVE, SK; SHAW, PJ; WHITE, IR; MILLNER, PA; (1995) ASSOCIATION OF MULTIPLE GTP-BINDING PROTEINS WITH THE PLANT CYTOSKELETON AND NUCLEAR MATRIX. BIOCHEM BIOPH RES CO , 210 (1) 7 - 13.

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Abstract

Several types of GTP-binding proteins exist in plant cells. These include the ras-related low-molecular-weight monomeric GTP-binding proteins and the multi-subunit group which more closely resembles members of the mammalian heterotrimeric G-protein family. Proteins belonging to both of these families are known to be involved in cell signalling events and have until recently been assumed to be associated predominantly with membranes. We have investigated the possibility that GTP-binding proteins in plants also can be associated with membrane-free carrot (Daucus carota L.) cytoskeletons and nuclear matrices. Our results demonstrate that several low-molecular-weight GTP-binding proteins, and at least one G-protein alpha-subunit homologue, are associated with these cellular compartments. (C) 1995 Academic Press, Inc.

Type:Article
Title:ASSOCIATION OF MULTIPLE GTP-BINDING PROTEINS WITH THE PLANT CYTOSKELETON AND NUCLEAR MATRIX
Keywords:MOLECULAR-CLONING, RHO, GENE
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Life Sciences > Biosciences (Division of) > Structural and Molecular Biology

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