Characterization of Pathogenesis-Related Proteins and Genes

  1. David Evered Organizer,
  2. Sara Harnett
  1. J. F. Bol1,2,
  2. R. A. M. Hooft van Huijsduijnen1,†,
  3. B. J. C. Cornelissen1,‡,
  4. J. A. L. van Kan1

Published Online: 28 SEP 2007

DOI: 10.1002/9780470513569.ch6

Book Title

Ciba Foundation Symposium 133 - Plant Resistance to Virus

Ciba Foundation Symposium 133 - Plant Resistance to Virus

Additional Information

How to Cite

Bol, J. F., van Huijsduijnen, R. A. M. H., Cornelissen, B. J. C. and van Kan, J. A. L. (2007) Characterization of Pathogenesis-Related Proteins and Genes, in Ciba Foundation Symposium 133 - Plant Resistance to Virus (eds D. Evered and S. Harnett), John Wiley & Sons, Ltd., Chichester, UK. doi: 10.1002/9780470513569.ch6

Author Information

  1. 1

    Department of Biochemistry, Leiden University, P.O. Box 9505, 2300 RA Leiden, The Netherlands

  2. 2

    Department of Biochemistry, State University of Leiden, Wassenaarseweg 64, 2333 AL Leiden, The Netherlands

  1. †

    Laboratoire de Génétique Moléculaire des Eucaryotes, 11 Rue Human, 67085 Strasbourg, France.

  2. ‡

    MOGEN International B.V., Einsteinweg 97, 2333 CB Leiden, The Netherlands.

Publication History

  1. Published Online: 28 SEP 2007

ISBN Information

Print ISBN: 9780471912637

Online ISBN: 9780470513569

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Keywords:

  • pathogenesis-related proteins;
  • pathogenesis-related genes;
  • basic proteins;
  • induction;
  • cDNA clones

Summary

cDNA clones corresponding to seven classes of mRNAs (clusters A to G) that are induced by tobacco mosaic virus (TMV) infection of Samsun NN tobacco were used to characterize the corresponding proteins and genes. cDNAs were found to correspond with the known acidic pathogenesis-related (PR) proteins 1a, 1b and 1c (cluster B), P and Q (cluster D) and probably R or S (cluster E). Clusters G and F correspond to basic proteins homologous to those encoded by clusters B and D, respectively. The observation that clusters D and F correspond to tobacco chitinases may partly explain the TMV-induced resistance to chitin-containing pathogens. The number of genes in the Samsun NN genome corresponding to clusters A, B, C and G was found to be higher than the number corresponding to clusters D, E and F.

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