Article (Scientific journals)
Discovery of novel representatives of bilaterian neuropeptide families and reconstruction of neuropeptide precursor evolution in ophiuroid echinoderms
Zandawala, Meet; Moghul, Ismail; Alfonso Yanez Guerra, Luis et al.
2017In Open Biology, 7
Peer Reviewed verified by ORBi
 

Files


Full Text
Zandawala_et_al_2017_OpenBiology.pdf
Publisher postprint (9.85 MB) Creative Commons License - Attribution, Non-Commercial, No Derivative
Download

All documents in ORBi are protected by a user license.

Send to



Details



Abstract :
[en] Neuropeptides are a diverse class of intercellular signalling molecules that mediate neuronal regulation of many physiological and behavioural processes. Recent advances in genome/transcriptome sequencing are enabling identification of neuropeptide precursor proteins in species from a growing variety of animal taxa, providing new insights into the evolution of neuropeptide signalling. Here, detailed analysis of transcriptome sequence data from three brittle star species, Ophionotus victoriae, Amphiura filiformis and Ophiopsila aranea, has enabled the first comprehensive identification of neuropeptide precursors in the class Ophiuroidea of the phylum Echinodermata. Representatives of over 30 bilaterian neuropeptide precursor families were identified, some of which occur as paralogues. Furthermore, homologues of endothelin/CCHamide, eclosion hormone, neuropeptide-F/Y and nucleobinin/nesfatin were discovered here in a deuterostome/echinoderm for the first time. The majority of ophiuroid neuropeptide precursors contain a single copy of a neuropeptide, but several precursors comprise multiple copies of identical or non-identical, but structurally related, neuropeptides. Here, we performed an unprecedented investigation of the evolution of neuropeptide copy number over a period of approximately 270 Myr by analysing sequence data from over 50 ophiuroid species, with reference to a robust phylogeny. Our analysis indicates that the composition of neuropeptide 'cocktails' is functionally important, but with plasticity over long evolutionary time scales.
Disciplines :
Zoology
Author, co-author :
Zandawala, Meet
Moghul, Ismail
Alfonso Yanez Guerra, Luis
Delroisse, Jérôme  ;  Université de Liège - ULiège > Département des sciences fonctionnelles (DSF) > Biochimie et biologie moléculaire
Abylkassimova, Nikara
Hugall, Andrew F.
O'Hara, Timothy D.
Elphick, Maurice R.
Language :
English
Title :
Discovery of novel representatives of bilaterian neuropeptide families and reconstruction of neuropeptide precursor evolution in ophiuroid echinoderms
Publication date :
2017
Journal title :
Open Biology
eISSN :
2046-2441
Publisher :
The Royal Society
Volume :
7
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 21 February 2024

Statistics


Number of views
7 (3 by ULiège)
Number of downloads
1 (0 by ULiège)

Scopus citations®
 
59
Scopus citations®
without self-citations
33
OpenCitations
 
59

Bibliography


Similar publications



Contact ORBi