Oligosaccharide signaling in plants. Specificity of oligouronide-enhanced plasma membrane protein phosphorylation.

@article{Farmer1991OligosaccharideSI,
  title={Oligosaccharide signaling in plants. Specificity of oligouronide-enhanced plasma membrane protein phosphorylation.},
  author={Edward E. Farmer and T D Moloshok and Michael J. Saxton and Clarence A. Ryan},
  journal={The Journal of biological chemistry},
  year={1991},
  volume={266 5},
  pages={3140-5}
}
The in vitro phosphorylation by [gamma-32P]ATP of a 34-kDa plasma membrane-associated protein (pp34) from tomato and potato is strongly enhanced in the presence of alpha-1,4-D-polygalacturonic acid (PGA) fragments (Farmer, E. E., Pearce, G., and Ryan, C. A. (1989) Proc. Natl. Acad. Sci. U. S. A. 86, 1539-1542) that activate the expression of defensive and developmental genes in plant tissues. [gamma-35S]ATP, but not [gamma-35S]GTP, has now been found to strongly label pp34 in the presence of… CONTINUE READING

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