The Brassicaceae speciesHeliophila coronopifoliaproduces root border-like cells that protect the root tip and secrete defensin peptides | Zendy

Florent Weiller | Zendy; John P. Moore | Zendy; Philip R. Young | Zendy; Azeddine Driouich | Zendy; Melané A. Vivier | Zendy

Open Access

The Brassicaceae speciesHeliophila coronopifoliaproduces root border-like cells that protect the root tip and secrete defensin peptides

Author(s) -

Florent Weiller,

John P. Moore,

Philip R. Young,

Azeddine Driouich,

Melané A. Vivier

Publication year - 2016

Publication title -

annals of botany

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.567

H-Index - 176

eISSN - 1095-8290

pISSN - 0305-7364

DOI - 10.1093/aob/mcw141

Subject(s) - biology , root cap , defensin , border cells , fluorescence microscope , meristem , microbiology and biotechnology , arabidopsis , gene , genetics , cell , fluorescence , mutant , physics , quantum mechanics

Root border cells and border-like cells (BLCs), the latter originally described in Arabidopsis thaliana , have been described as cells released at the root tips of the species in which they occur. BLCs are thought to provide protection to root meristems similar to classical root border cells. In addition, four defensin peptides (Hc-AFP1-4) have previously been characterized from Heliophila coronopifolia , a South African semi-desert flower, and found to be strongly antifungal. This provided an opportunity to evaluate if the BLCs of H. coronopifolia indeed produce these defensins, which would provide evidence towards a defence role for BLCs.

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