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Phloem research in full flow

In the phloem of vascular plants, distinct cell types are arranged in precise positions to ensure effective loading, transport and unloading of photosynthates and signalling molecules. Feedback between transcription factors and mobile peptides triggers and controls the differentiation of phloem at the growing root tip.

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Fig. 1: The Arabidopsis root phloem is a multicellular structure whose patterning and differentiation is controlled by lateral inhibition and positive feedback.


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Correspondence to George Janes or Anthony Bishopp.

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Janes, G., Bishopp, A. Phloem research in full flow. Nat. Plants 8, 733–734 (2022).

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