Contrasted host specificity of gut and endosymbiont bacterial communities in alpine grasshoppers and crickets.
Détails
Télécharger: ycad013.pdf (1512.74 [Ko])
Etat: Public
Version: Final published version
Licence: CC BY 4.0
Etat: Public
Version: Final published version
Licence: CC BY 4.0
ID Serval
serval:BIB_542A4CAA8420
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Contrasted host specificity of gut and endosymbiont bacterial communities in alpine grasshoppers and crickets.
Périodique
ISME communications
ISSN
2730-6151 (Electronic)
ISSN-L
2730-6151
Statut éditorial
Publié
Date de publication
01/2024
Peer-reviewed
Oui
Volume
4
Numéro
1
Pages
ycad013
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: epublish
Publication Status: epublish
Résumé
Bacteria colonize the body of macroorganisms to form associations ranging from parasitic to mutualistic. Endosymbiont and gut symbiont communities are distinct microbiomes whose compositions are influenced by host ecology and evolution. Although the composition of horizontally acquired symbiont communities can correlate to host species identity (i.e. harbor host specificity) and host phylogeny (i.e. harbor phylosymbiosis), we hypothesize that the microbiota structure of vertically inherited symbionts (e.g. endosymbionts like Wolbachia) is more strongly associated with the host species identity and phylogeny than horizontally acquired symbionts (e.g. most gut symbionts). Here, using 16S metabarcoding on 336 guts from 24 orthopteran species (grasshoppers and crickets) in the Alps, we observed that microbiota correlated to host species identity, i.e. hosts from the same species had more similar microbiota than hosts from different species. This effect was ~5 times stronger for endosymbionts than for putative gut symbionts. Although elevation correlated with microbiome composition, we did not detect phylosymbiosis for endosymbionts and putative gut symbionts: closely related host species did not harbor more similar microbiota than distantly related species. Our findings indicate that gut microbiota of studied orthopteran species is more correlated to host identity and habitat than to the host phylogeny. The higher host specificity in endosymbionts corroborates the idea that-everything else being equal-vertically transmitted microbes harbor stronger host specificity signal, but the absence of phylosymbiosis suggests that host specificity changes quickly on evolutionary time scales.
Mots-clé
gut, host specificity, insect, microbiome, microbiota, orthopterans, phylosymbiosis
Pubmed
Open Access
Oui
Création de la notice
26/02/2024 10:40
Dernière modification de la notice
05/04/2024 7:18