Alexia Rabilotta

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In the C. elegans embryo, formation of an antero-posterior axis of polarity relies on signaling by the conserved PAR proteins, which localize asymmetrically in two mutually exclusive groups at the embryonic cortex. Depletion of any PAR protein causes a loss of polarity and embryonic lethality. A genome-wide RNAi screen previously identified two B-type(More)
Asymmetric cell division is essential during development to generate cell diversity and throughout adult life to maintain tissue homeostasis. For instance, many types of stem cells must divide asymmetrically to maintain their self-renewal capacities. Furthermore, recent studies suggest that the loss of asymmetric division could be used by cancer stem cells(More)
PAR proteins (partitioning defective) are major regulators of cell polarity and asymmetric cell division. One of the par genes, par-1, encodes a Ser/Thr kinase that is conserved from yeast to mammals. In Caenorhabditis elegans, par-1 governs asymmetric cell division by ensuring the polar distribution of cell fate determinants. However the precise mechanisms(More)
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