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Sequential and structural homology between intracellular pathogenesis-related proteins and a group of latex proteins

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Author

  • Peter Osmark
  • Brian Boyle
  • Normand Brisson

Summary, in English

The intracellular pathogenesis-related proteins have been identified in a broad range of flowering plants. Some display quite different patterns of expression, in many cases unrelated to the pathogenic response. Nevertheless, these proteins are all very similar and in most cases share more than 35% sequence identity. In this report we investigate the significance of a rather weak similarity between the intracellular pathogenesis-related (IPR or PR-10) proteins and a group of proteins identified in the latex of opium poppy and in Arabidopsis, among others. A sequence analysis held together with the recently published three-dimensional structure of Bet v 1, an IPR protein from birch pollen, strongly suggests sequential and structural homology between the two protein families.

Publishing year

1998

Language

English

Pages

1243-1246

Publication/Series

Plant Molecular Biology

Volume

38

Issue

6

Document type

Journal article

Publisher

Springer

Topic

  • Endocrinology and Diabetes

Keywords

  • Bet v 1 - homology - latex proteins - pathogenesis-related proteins - PR-10 - sequence analysis

Status

Published

ISBN/ISSN/Other

  • ISSN: 1573-5028