Suppression and acceleration of cell elongation by integration of xyloglucans in pea stem segments.

  title={Suppression and acceleration of cell elongation by integration of xyloglucans in pea stem segments.},
  author={Toshio Takeda and Yuzo Furuta and Tatsuya Awano and Koichi Mizuno and Yasushi Mitsuishi and Takahisa Hayashi},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={99 13},
Xyloglucan is a key polymer in the walls of growing plant cells. Using split pea stem segments and stem segments from which the epidermis had been peeled off, we demonstrate that the integration of xyloglucan mediated by the action of wall-bound xyloglucan endotransglycosylase suppressed cell elongation, whereas that of its fragment oligosaccharide accelerated it. Whole xyloglucan was incorporated into the cell wall and induced the rearrangement of cortical microtubules from transverse to… CONTINUE READING
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