Biological function of pathogenesis-related proteins: Four tobacco pathogenesis-related proteins are chitinases.

@article{Legrand1987BiologicalFO,
  title={Biological function of pathogenesis-related proteins: Four tobacco pathogenesis-related proteins are chitinases.},
  author={Mattieu Legrand and Serge Kauffmann and Pierrette Geoffroy and Bernard Fritig},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={1987},
  volume={84 19},
  pages={6750-4}
}
Four endochitinases (poly[1,4-(N-acetyl-beta-D-glucosaminide)] glycanohydrolase, EC 3.2.1.14) have been purified from leaves of Nicotiana tabacum cv. Samsun NN reacting hypersensitively to tobacco mosaic virus. Two of them are acidic proteins of molecular weights 27,500 and 28,500 and have been identified as 2 of the 10 pathogenesis-related proteins that are known to accumulate in tobacco in response to stress or pathogen attack. These two pathogenesis-related proteins, named "P" and "Q" when… CONTINUE READING
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