Proteasomal degradation in plant-pathogen interactions

Vitaly Citovsky, Adi Zaltsman, Stanislav V. Kozlovsky, Yedidya Gafni, Alexander Krichevsky

Research output: Contribution to journalReview articlepeer-review

46 Scopus citations

Abstract

The ubiquitin/26S proteasome pathway is a basic biological mechanism involved in the regulation of a multitude of cellular processes. Increasing evidence indicates that plants utilize the ubiquitin/26S proteasome pathway in their immune response to pathogen invasion, emphasizing the role of this pathway during plant-pathogen interactions. The specific functions of proteasomal degradation in plant-pathogen interactions are diverse, and do not always benefit the host plant. Although in some cases, proteasomal degradation serves as an effective barrier to help plants ward off pathogens, in others, it is used by the pathogen to enhance the infection process. This review discusses the different roles of the ubiquitin/26S proteasome pathway during interactions of plants with pathogenic viruses, bacteria, and fungi.

Original languageEnglish
Pages (from-to)1048-1054
Number of pages7
JournalSeminars in Cell and Developmental Biology
Volume20
Issue number9
DOIs
StatePublished - Dec 2009
Externally publishedYes

Bibliographical note

Funding Information:
We apologize to colleagues whose original works were not cited due to lack of space. The work in our laboratory is supported by grants from NIH, NSF, USDA, BARD, and BSF to V.C.

Keywords

  • 26S proteasome
  • Plant immunity
  • Plant-pathogen interaction
  • Ubiquitination

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