Root border cells and secretions as critical elements in plant host defense

Azeddine Driouich, Marie Laure Follet-Gueye, Maïté Vicré-Gibouin, Martha C Hawes

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

Border cells and border-like cells are released from the root tip as individual cells and small aggregates, or as a group of attached cells. These are viable components of the root system that play a key role in controlling root interaction with living microbes of the rhizosphere. As their separation from root tip proceeds, the cells synthesize and secrete a hydrated mucilage that contains polysaccharides, secondary metabolites, antimicrobial proteins and extracellular DNA (exDNA). This exDNA-based matrix seems to function in root defense in a way similar to that of recently characterized neutrophil extracellular traps (NETs) in mammalian cells. This review discusses the role of the cells and secreted compounds in the protection of root tip against microbial infections.

Original languageEnglish (US)
Pages (from-to)489-495
Number of pages7
JournalCurrent Opinion in Plant Biology
Volume16
Issue number4
DOIs
StatePublished - Aug 2013

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host plants
secretion
root tips
cells
antimicrobial proteins
mucilages
DNA
cell aggregates
secondary metabolites
root systems
neutrophils
rhizosphere
polysaccharides
traps
microorganisms
infection

ASJC Scopus subject areas

  • Plant Science

Cite this

Root border cells and secretions as critical elements in plant host defense. / Driouich, Azeddine; Follet-Gueye, Marie Laure; Vicré-Gibouin, Maïté; Hawes, Martha C.

In: Current Opinion in Plant Biology, Vol. 16, No. 4, 08.2013, p. 489-495.

Research output: Contribution to journalArticle

Driouich, Azeddine ; Follet-Gueye, Marie Laure ; Vicré-Gibouin, Maïté ; Hawes, Martha C. / Root border cells and secretions as critical elements in plant host defense. In: Current Opinion in Plant Biology. 2013 ; Vol. 16, No. 4. pp. 489-495.
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