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Curr Biol. 2001 Sep 18;11(18):R756-8.

Plant development: Two sides to organ asymmetry.

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Institute of Cell and Molecular Biology, University of Edinburgh, Edinburgh EH9 3JH, UK.


Three gene families have been identified which interact to polarize plant lateral organs. The results suggest that organ polarity is initially determined by a signal from the shoot tip which specifies adaxial organ identity and results in repression of abaxial identity, thereby aligning the polarity of organs with the stem.

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