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Erwinia carotovora elicitors and Botrytis cinerea activate defense responses in Physcomitrella patens.

Authors
  • Ponce de León, Inés
  • Oliver, Juan Pablo
  • Castro, Alexandra
  • Gaggero, Carina
  • Bentancor, Marcel
  • Vidal, Sabina
Type
Published Article
Journal
BMC Plant Biology
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jan 01, 2007
Volume
7
Pages
52–52
Identifiers
PMID: 17922917
Source
Medline
License
Unknown

Abstract

B. cinerea and E.c. carotovora elicitors induce a defense response in Physcomitrella, as evidenced by enhanced expression of conserved plant defense-related genes. Since cytoplasmic shrinkage is the most common morphological change observed in plant PCD, and that harpins and B. cinerea induce this type of cell death in vascular plants, our results suggest that E.c. carotovora CFSCC1 containing HrpN and B. cinerea could also induce this type of cell death in Physcomitrella. Our studies thus establish Physcomitrella as an experimental host for investigation of plant-pathogen interactions and B. cinerea and elicitors of E.c. carotovora as promising tools for understanding the mechanisms involved in defense responses and in pathogen-mediated cell death in this simple land plant.

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