Elucidation of the unexplored biodiversity of ant venom peptidomes via MALDI-TOF mass spectrometry and its application for chemotaxonomy.
Identifieur interne : 003992 ( Main/Exploration ); précédent : 003991; suivant : 003993Elucidation of the unexplored biodiversity of ant venom peptidomes via MALDI-TOF mass spectrometry and its application for chemotaxonomy.
Auteurs : Axel Touchard [France] ; Mélodie Dauvois [France] ; Marie-Jeanne Arguel [France] ; Frédéric Petitclerc [France] ; Mathieu Leblanc [France] ; Alain Dejean [France] ; Jérôme Orivel [France] ; Graham M. Nicholson [Australie] ; Pierre Escoubas [France]Source :
- Journal of proteomics [ 1876-7737 ] ; 2014.
Descripteurs français
- KwdFr :
- Animaux, Cartographie peptidique (), Fourmis (), Fourmis (génétique), Fourmis (métabolisme), Peptides (), Peptides (génétique), Peptides (métabolisme), Phylogénie, Protéines d'insecte (), Protéines d'insecte (génétique), Protéines d'insecte (métabolisme), Spectrométrie de masse MALDI (), Venins de fourmi (), Venins de fourmi (génétique), Venins de fourmi (métabolisme).
- MESH :
- génétique : Fourmis, Peptides, Protéines d'insecte, Venins de fourmi.
- métabolisme : Fourmis, Peptides, Protéines d'insecte, Venins de fourmi.
- Animaux, Cartographie peptidique, Fourmis, Peptides, Phylogénie, Protéines d'insecte, Spectrométrie de masse MALDI, Venins de fourmi.
English descriptors
- KwdEn :
- Animals, Ant Venoms (chemistry), Ant Venoms (genetics), Ant Venoms (metabolism), Ants (chemistry), Ants (classification), Ants (genetics), Ants (metabolism), Insect Proteins (chemistry), Insect Proteins (genetics), Insect Proteins (metabolism), Peptide Mapping (methods), Peptides (chemistry), Peptides (genetics), Peptides (metabolism), Phylogeny, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (methods).
- MESH :
- chemical , chemistry : Ant Venoms, Insect Proteins, Peptides.
- chemical , genetics : Ant Venoms, Insect Proteins, Peptides.
- chemical , metabolism : Ant Venoms, Insect Proteins, Peptides.
- chemistry : Ants.
- classification : Ants.
- genetics : Ants.
- metabolism : Ants.
- methods : Peptide Mapping, Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization.
- Animals, Phylogeny.
Abstract
The rise of integrative taxonomy, a multi-criteria approach used in characterizing species, fosters the development of new tools facilitating species delimitation. Mass spectrometric (MS) analysis of venom peptides from venomous animals has previously been demonstrated to be a valid method for identifying species. Here we aimed to develop a rapid chemotaxonomic tool for identifying ants based on venom peptide mass fingerprinting. The study focused on the biodiversity of ponerine ants (Hymenoptera: Formicidae: Ponerinae) in French Guiana. Initial experiments optimized the use of automated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) to determine variations in the mass profiles of ant venoms using several MALDI matrices and additives. Data were then analyzed via a hierarchical cluster analysis to classify the venoms of 17 ant species. In addition, phylogenetic relationships were assessed and were highly correlated with methods using DNA sequencing of the mitochondrial gene cytochrome c oxidase subunit 1. By combining a molecular genetics approach with this chemotaxonomic approach, we were able to improve the accuracy of the taxonomic findings to reveal cryptic ant species within species complexes. This chemotaxonomic tool can therefore contribute to more rapid species identification and more accurate taxonomies.
DOI: 10.1016/j.jprot.2014.01.009
PubMed: 24456813
Affiliations:
- Australie, France
- Guyane, Midi-Pyrénées, Occitanie (région administrative), Provence-Alpes-Côte d'Azur
- Kourou, Toulouse
Links toward previous steps (curation, corpus...)
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Le document en format XML
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<term>Ant Venoms (chemistry)</term>
<term>Ant Venoms (genetics)</term>
<term>Ant Venoms (metabolism)</term>
<term>Ants (chemistry)</term>
<term>Ants (classification)</term>
<term>Ants (genetics)</term>
<term>Ants (metabolism)</term>
<term>Insect Proteins (chemistry)</term>
<term>Insect Proteins (genetics)</term>
<term>Insect Proteins (metabolism)</term>
<term>Peptide Mapping (methods)</term>
<term>Peptides (chemistry)</term>
<term>Peptides (genetics)</term>
<term>Peptides (metabolism)</term>
<term>Phylogeny</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization (methods)</term>
</keywords>
<keywords scheme="KwdFr" xml:lang="fr"><term>Animaux</term>
<term>Cartographie peptidique ()</term>
<term>Fourmis ()</term>
<term>Fourmis (génétique)</term>
<term>Fourmis (métabolisme)</term>
<term>Peptides ()</term>
<term>Peptides (génétique)</term>
<term>Peptides (métabolisme)</term>
<term>Phylogénie</term>
<term>Protéines d'insecte ()</term>
<term>Protéines d'insecte (génétique)</term>
<term>Protéines d'insecte (métabolisme)</term>
<term>Spectrométrie de masse MALDI ()</term>
<term>Venins de fourmi ()</term>
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<term>Venins de fourmi (métabolisme)</term>
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<keywords scheme="MESH" type="chemical" qualifier="chemistry" xml:lang="en"><term>Ant Venoms</term>
<term>Insect Proteins</term>
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="genetics" xml:lang="en"><term>Ant Venoms</term>
<term>Insect Proteins</term>
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Ant Venoms</term>
<term>Insect Proteins</term>
<term>Peptides</term>
</keywords>
<keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Ants</term>
</keywords>
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<term>Peptides</term>
<term>Protéines d'insecte</term>
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<keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Ants</term>
</keywords>
<keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Peptide Mapping</term>
<term>Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization</term>
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<term>Peptides</term>
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<front><div type="abstract" xml:lang="en">The rise of integrative taxonomy, a multi-criteria approach used in characterizing species, fosters the development of new tools facilitating species delimitation. Mass spectrometric (MS) analysis of venom peptides from venomous animals has previously been demonstrated to be a valid method for identifying species. Here we aimed to develop a rapid chemotaxonomic tool for identifying ants based on venom peptide mass fingerprinting. The study focused on the biodiversity of ponerine ants (Hymenoptera: Formicidae: Ponerinae) in French Guiana. Initial experiments optimized the use of automated matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) to determine variations in the mass profiles of ant venoms using several MALDI matrices and additives. Data were then analyzed via a hierarchical cluster analysis to classify the venoms of 17 ant species. In addition, phylogenetic relationships were assessed and were highly correlated with methods using DNA sequencing of the mitochondrial gene cytochrome c oxidase subunit 1. By combining a molecular genetics approach with this chemotaxonomic approach, we were able to improve the accuracy of the taxonomic findings to reveal cryptic ant species within species complexes. This chemotaxonomic tool can therefore contribute to more rapid species identification and more accurate taxonomies.</div>
</front>
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