Understanding the role of defective invertases in plants: tobacco Nin88 fails to degrade sucrose.

  title={Understanding the role of defective invertases in plants: tobacco Nin88 fails to degrade sucrose.},
  author={Katrien Le Roy and Rudy Vergauwen and Tom Struyf and Shuguang Yuan and Willem Lammens and Janka M{\'a}trai and Marc De Maeyer and Wim van den Ende},
  journal={Plant physiology},
  volume={161 4},
Cell wall invertases (cwINVs), with a high affinity for the cell wall, are fundamental enzymes in the control of plant growth, development, and carbon partitioning. Most interestingly, defective cwINVs have been described in several plant species. Their highly attenuated sucrose (Suc)-hydrolyzing capacity is due to the absence of aspartate-239 (Asp-239) and tryptophan-47 (Trp-47) homologs, crucial players for stable binding in the active site and subsequent hydrolysis. However, so far, the… CONTINUE READING
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