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PMID: 21258210 Published · ppublish English Journal Article Review

The plant cell nucleus: a true arena for the fight between plants and pathogens.

Plant signaling & behavior ·Vol. 6 ·No. 1 ·2011-01-00 ·Pages 42-8

Deslandes L, Rivas S

Abstract

Communication between the cytoplasm and the nucleus is a fundamental feature shared by both plant and animal cells. Cellular factors involved in the transport of macromolecules through the nuclear envelope, including nucleoporins, importins and Ran-GTP related components, are conserved among a variety of eukaryotic systems. Interestingly, mutations in these nuclear components compromise resistance signalling, illustrating the importance of nucleocytoplasmic trafficking in plant innate immunity. Indeed, spatial restriction of defence regulators by the nuclear envelope and stimulus-induced nuclear translocation constitute an important level of defence-associated gene regulation in plants. A significant number of effectors from different microbial pathogens are targeted to the plant cell nucleus. In addition, key host factors, including resistance proteins, immunity components, transcription factors and transcriptional regulators shuttle between the cytoplasm and the nucleus, and their level of nuclear accumulation determines the output of the defence response, further confirming the crucial role played by the nucleus during the interaction between plants and pathogens. Here, we discuss recent findings that situate the nucleus at the frontline of the mutual recognition between plants and invading microbes.

MeSH Terms
Active Transport, Cell Nucleus Cell Nucleus/metabolism Host-Pathogen Interactions Models, Biological Plant Cells Plants/immunology,microbiology Trans-Activators/metabolism
Chemicals
Trans-Activators
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Deslandes Laurent
Laboratoire des Interactions Plantes-Microorganismes (LIPM), UMR CNRS-INRA, Castanet Tolosan, France.
Rivas Susana
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Article Info
Journal
Plant signaling & behavior
Abbr.
Plant Signal Behav
ISSN
1559-2324
DOI
10.4161/psb.6.1.13978
Published
2011-01-00
Epub
2011-00-01
Pages
42-8
Language
English
Region
United States
NLM ID
101291431
PMCID
PMC3122004
Subset
IM
External Links
PubMed source DOI: 10.4161/psb.6.1.13978 PMC Full Text View journal details
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