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Adaptation of core mechanisms to generate cell polarity

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  • W. James Nelson

    (Beckman Center for Molecular and Genetic Medicine, Stanford University School of Medicine)

Abstract

Cell polarity is defined as asymmetry in cell shape, protein distributions and cell functions. It is characteristic of single-cell organisms, including yeast and bacteria, and cells in tissues of multi-cell organisms such as epithelia in worms, flies and mammals. This diversity raises several questions: do different cell types use different mechanisms to generate polarity, how is polarity signalled, how do cells react to that signal, and how is structural polarity translated into specialized functions? Analysis of evolutionarily diverse cell types reveals that cell-surface landmarks adapt core pathways for cytoskeleton assembly and protein transport to generate cell polarity.

Suggested Citation

  • W. James Nelson, 2003. "Adaptation of core mechanisms to generate cell polarity," Nature, Nature, vol. 422(6933), pages 766-774, April.
    • Handle: RePEc:nat:nature:v:422:y:2003:i:6933:d:10.1038_nature01602
    DOI: 10.1038/nature01602
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    Cited by:

    1. Chao Kong & Xiaozhan Qu & Mingming Liu & Weiya Xu & Da Chen & Yanshen Zhang & Shan Zhang & Feng Zhu & Zhenbang Liu & Jianchao Li & Chengdong Huang & Chao Wang, 2023. "Dynamic interactions between E-cadherin and Ankyrin-G mediate epithelial cell polarity maintenance," Nature Communications, Nature, vol. 14(1), pages 1-15, December.

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