Plant mothers talk to their embryos via the hormone auxin

(Institute of Science and Technology Austria) In plants, it has been clear for a while that maternal signals regulate embryo development. However, the signal itself was unknown — until now. Plant scientists at IST Austria, CEITEC, and the University of Freiburg have now found that a plant hormone called auxin from the mother is one of the signals that pattern the plant embryo. Their study is published today in Nature Plants.

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