Trehalose mediated growth inhibition of Arabidopsis seedlings is due to trehalose-6-phosphate accumulation.

  title={Trehalose mediated growth inhibition of Arabidopsis seedlings is due to trehalose-6-phosphate accumulation.},
  author={Henriette Schluepmann and Anja J H van Dijken and Mahnaz Aghdasi and Barry Wobbes and Matthew D Paul and Sjef Cm Smeekens},
  journal={Plant physiology},
  volume={135 2},
Trehalose-6-phosphate (T6P) is required for carbon utilization during Arabidopsis development, and its absence is embryo lethal. Here we show that T6P accumulation inhibits seedling growth. Wild-type seedlings grown on 100 mm trehalose rapidly accumulate T6P and stop growing, but seedlings expressing Escherichia coli trehalose phosphate hydrolase develop normally on such medium. T6P accumulation likely results from much-reduced T6P dephosphorylation when trehalose levels are high. Metabolizable… CONTINUE READING
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