Recent work has revealed an evolutionarily conserved trio of proteins that regulate cell polarity in epithelial cells, embryonic blastomeres and neural precursors. This common cell-polarity mechanism is used in cell-specific ways, as highlighted by the recent finding that at least two different types of asymmetric division are observed in Drosophila neural precursors.
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Doe, C. Cell polarity: the PARty expands. Nat Cell Biol 3, E7–E9 (2001). https://doi.org/10.1038/35050684
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DOI: https://doi.org/10.1038/35050684
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