Universality of phloem transport in seed plants.

  title={Universality of phloem transport in seed plants.},
  author={K{\aa}re Hartvig Jensen and Johannes Liesche and Tomas Bohr and Alexander Schulz},
  journal={Plant, cell & environment},
  volume={35 6},
Since Münch in the 1920s proposed that sugar transport in the phloem vascular system is driven by osmotic pressure gradients, his hypothesis has been strongly supported by evidence from herbaceous angiosperms. Experimental constraints made it difficult to test this proposal in large trees, where the distance between source and sink might prove incompatible with the hypothesis. Recently, the theoretical optimization of the Münch mechanism was shown to lead to surprisingly simple predictions for… CONTINUE READING
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