NDLI: flp-32 Ligand/Receptor Silencing Phenocopy Faster Plant Pathogenic Nematodes

Content Provider	PubMed Central
Author	Atkinson, Louise E. Stevenson, Michael Mccoy, Ciaran J. Marks, Nikki J. Fleming, Colin Mostafa, Zamanian Day, Tim A. Kimber, Michael J. Maule, Aaron G. Mousley, Angela
Editor	Bird, David
Copyright Year	2013
Abstract	Restrictions on nematicide usage underscore the need for novel control strategies for plant pathogenic nematodes such as Globodera pallida (potato cyst nematode) that impose a significant economic burden on plant cultivation activities. The nematode neuropeptide signalling system is an attractive resource for novel control targets as it plays a critical role in sensory and motor functions. The FMRFamide-like peptides (FLPs) form the largest and most diverse family of neuropeptides in invertebrates, and are structurally conserved across nematode species, highlighting the utility of the FLPergic system as a broad-spectrum control target. flp-32 is expressed widely across nematode species. This study investigates the role of flp-32 in G. pallida and shows that: (i) Gp-flp-32 encodes the peptide AMRNALVRFamide; (ii) Gp-flp-32 is expressed in the brain and ventral nerve cord of G. pallida; (iii) migration rate increases in Gp-flp-32-silenced worms; (iv) the ability of G. pallida to infect potato plant root systems is enhanced in Gp-flp-32-silenced worms; (v) a novel putative Gp-flp-32 receptor (Gp-flp-32R) is expressed in G. pallida; and, (vi) Gp-flp-32R-silenced worms also display an increase in migration rate. This work demonstrates that Gp-flp-32 plays an intrinsic role in the modulation of locomotory behaviour in G. pallida and putatively interacts with at least one novel G-protein coupled receptor (Gp-flp-32R). This is the first functional characterisation of a parasitic nematode FLP-GPCR.
Related Links	http://dx.doi.org/10.1371/journal.ppat.1003169
Starting Page	1003169
File Format	PDF
ISSN	15537374
e-ISSN	15537374
Journal	PLoS Pathogens
Issue Number	2
Volume Number	9
Language	English
Publisher	Public Library of Science
Publisher Date	2013-02-01
Access Restriction	Open
Rights Holder	Public Library of Science
Subject Keyword	Immunology Genetics Molecular Biology Microbiology Parasitology Virology Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Genetics Virology Molecular Biology Parasitology Immunology Microbiology

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