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Plant development

An axis of auxin

Embryos have two distinct ends, which become apparent early on. Quite how this initial polarity is sustained in plant embryos has been unclear. Step forward the agent provocateur of plant development — auxin.

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Figure 1: The basics of early Arabidopsis development.

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Correspondence to Stefan Kepinski or Ottoline Leyser.

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Kepinski, S., Leyser, O. An axis of auxin. Nature 426, 132–135 (2003). https://doi.org/10.1038/426132b

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