Evidence of new strains of Wolbachia symbiont colonising semiaquatic bugs (Hemiptera: Gerroidea) in mangrove environment of the Lesser Antilles

Conjard Suzanne, Meyer Damien, Aprelon Rosalie, Pagès Nonito, Gros Olivier. 2022. Evidence of new strains of Wolbachia symbiont colonising semiaquatic bugs (Hemiptera: Gerroidea) in mangrove environment of the Lesser Antilles. PloS One, 17 (8):e0273668, 11 p.

https://doi.org/10.1371/journal.pone.0273668

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Url - jeu de données - Entrepôt autre : https://www.ncbi.nlm.nih.gov/nuccore/MW019457 / Url - jeu de données - Entrepôt autre : https://www.ncbi.nlm.nih.gov/nuccore/MW114524

Liste HCERES des revues (en SHS) : oui

Thème(s) HCERES des revues (en SHS) : Psychologie-éthologie-ergonomie; Staps

Résumé : Wolbachia Hertig, 1936 is an intracellular bacterial symbiont colonizing many arthropods. Of the studies done on the bacteria present in the superfamily Gerroidea Leach, 1815, no report of Wolbachia infection had yet been made. Thus, we checked the presence of Wolbachia in six Gerroidea species which colonize tropical aquatic environments by PCR using wsp primer set before sequencing and phylogenetic analyses. Insects were collected in the marine fringe of mangroves, in river estuaries, in swampy mangroves, and in ponds from Guadeloupe islands (Caribbean). Two new strains of Wolbachia were detected in these Gerroidea. They were named wLfran and wRmang. The wsp sequences suggest that the strains belong to the already described E supergroup or similar. wLfran is present in Limnogonus franciscanus Stål, 1859 and Rheumatobates trinitatis (China, 1943) while wRmang appears to be present exclusively in R. mangrovensis (China, 1943). Three other species were analysed, but did not appear to be infected: Brachymetra albinerva (Amyot & Serville, 1843), Halobates micans Eschscheltz, 1822, and Microvelia pulchella Westwood, 1834. The results presented here highlight for the first time the presence of new intracellular Wolbachia strains in Gerroidea colonising tropical aquatic environments like mangrove habitats from inlands to sea shore.

Mots-clés Agrovoc : phylogénie

Mots-clés géographiques Agrovoc : Guadeloupe

Mots-clés libres : Wolbachia, Mangrove swamps, Polymerase chain reaction, Aquatic insects, Phylogenetic analysis, Estuaries, Insects, Nematode infections

Agences de financement européennes : European Commission, European Regional Development Fund

Agences de financement hors UE : Conseil Regional de la Guadeloupe

Projets sur financement : (EU) MALIN, (EU) INSULA

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