The contribution of extensin network formation to rapid, hydrogen peroxide-mediated increases in grapevine callus wall resistance to fungal lytic enzymes.

@article{Ribeiro2006TheCO,
  title={The contribution of extensin network formation to rapid, hydrogen peroxide-mediated increases in grapevine callus wall resistance to fungal lytic enzymes.},
  author={Jos{\'e} ML Ribeiro and Cristina Silva Pereira and Nelson C Soares and Andreza M Vieira and Jos{\'e} A Feij{\'o} and Phillip A. Jackson},
  journal={Journal of experimental botany},
  year={2006},
  volume={57 9},
  pages={2025-35}
}
Grapevine (Vitis vinifera cv. Touriga) callus cell walls contain a high level of the monomeric extensin, GvP1. Hydrogen peroxide stimulus of these cultures causes the rapid loss of monomeric GvP1, concomitant with marked increases in insoluble GvP1 amino acids and wall resistance to digestion by fungal lytic enzymes. JIM11 immunolocalization studies indicated that monomeric and network GvP1 were evenly distributed in the callus cell wall. These primary cell walls were used to investigate the… CONTINUE READING
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