Characterization of a granule-bound starch synthase isoform found in the pericarp of wheat.

  title={Characterization of a granule-bound starch synthase isoform found in the pericarp of wheat.},
  author={Toshiki Nakamura and Patricia L Vrinten and Kousuke Hayakawa and Joh-E Ikeda},
  journal={Plant physiology},
  volume={118 2},
Waxy wheat (Triticum aestivum L.) lacks the waxy protein, which is also known as granule-bound starch synthase I (GBSSI). The starch granules of waxy wheat endosperm and pollen do not contain amylose and therefore stain red-brown with iodine. However, we observed that starch from pericarp tissue of waxy wheat stained blue-black and contained amylose. Significantly higher starch synthase activity was detected in pericarp starch granules than in endosperm starch granules. A granule-bound protein… CONTINUE READING
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