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The FUSED (FU) Ser/Thr protein kinase family has a key role in the hedgehog signaling pathway known to control cell proliferation and patterning in fruit flies and humans [1, 2]. The genomes of Arabidopsis thaliana and rice each encode a single Fu ortholog, but their role is unknown. Here, we show that cytokinesis-defective mutants, which we named two-in-one (tio), result from mutations in Arabidopsis...
Gametophytic cytokinesis is essential for the development and function of the male and female gametophytes. We have previously described the isolation and characterisation of gemini pollen 1 (gem1) that acts gametophytically to disturb asymmetric division and cytokinesis at pollen mitosisI (PMI) in Arabidopsis. Here we describe the genetic and cytological analysis of an independent gametophytic mutant,...
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