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The molecular mechanisms controlling cytokinesis in plant cell division cycle remains largely unknown. In this study, a functional approach was taken to identify genes that may play roles in cytokinesis in tobacco BY-2 cells, using fission yeast as the host organism. A total of 22 BY-2 genes that perturbed the terminal stage of cell division when ectopically expressed in yeast cells were isolated,...
Using phragmoplastin-interacting protein 1 (PhrIP1) as bait, we isolated an Arabidopsis cDNA encoding Ran2, a small Ras-like GTP-binding protein. The interaction between PhrIP1 and Ran2 was confirmed by an in vitro protein–protein interaction assay with purified Ran2 and PhrIP1. The plant Ran2 shares high sequence homology, 78 and 86% at the amino acid level, with human Ran/TC4 and C.elegans Ran,...
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