Activation of serum prophenoloxidase in arthropod immunity. The specificity of cell wall glucan activation and activation by purified fungal glycoproteins of crayfish phenoloxidase.

@article{Sderhll1979ActivationOS,
  title={Activation of serum prophenoloxidase in arthropod immunity. The specificity of cell wall glucan activation and activation by purified fungal glycoproteins of crayfish phenoloxidase.},
  author={Kenneth S{\"o}derh{\"a}ll and Torgny Unestam},
  journal={Canadian journal of microbiology},
  year={1979},
  volume={25 3},
  pages={406-14}
}
This study shows that the activation of crayfish serum prophenoloxidase by carbohydrates was specific for beta-1,3-glucans. Fractionation of the beta-1,3-glucan laminaran into laminaran M and laminaran G showed that both activated the proenzyme, but the G-chain had somewhat higher affinity for the proenzyme. Methylation analysis of these two fractions revealed that there were no 1,6-linkages present. Laminaripentaose, a linear pentasaccharide composed of (1 leads to 3)-linked beta-D… CONTINUE READING
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