Convivina is a specialised core gut symbiont of the invasive hornet Vespa velutina

Author:

Hettiarachchi Amanda1ORCID,Cnockaert Margo1,Joossens Marie1,Laureys David2,De Clippeleer Jessika2,Vereecken Nicolas J.3,Michez Denis4ORCID,Smagghe Guy5ORCID,de Graaf Dirk C.6,Vandamme Peter1ORCID

Affiliation:

1. Laboratory of Microbiology, Department of Biochemistry and Microbiology Faculty of Sciences, Ghent University Ghent Belgium

2. Innovation Centre for Brewing & Fermentation, Department of Biotechnology Faculty of Bioscience Engineering, Ghent University Ghent Belgium

3. Agroecology Lab, Université libre de Bruxelles Brussels Belgium

4. Laboratory of Zoology, Research Institute for Biosciences, University of Mons Mons Belgium

5. Laboratory of Agrozoology, Department of Plants and Crops Faculty of Bioscience Engineering, Ghent University Ghent Belgium

6. Laboratory of Molecular Entomology and Bee Pathology, Department of Biochemistry and Microbiology Faculty of Sciences, Ghent University Ghent Belgium

Abstract

AbstractWe provide a culturomics analysis of the cultivable bacterial communities of the crop, midgut and hindgut compartments, as well as the ovaries, of the invasive insect Vespa velutina, along with a cultivation‐independent analysis of samples of the same nest through 16S rRNA amplicon sequencing. The Vespa velutina bacterial symbiont community was dominated by the genera Convivina, Fructobacillus, Lactiplantibacillus, Lactococcus, Sphingomonas and Spiroplasma. Lactococcus lactis and Lactiplantibacillus plantarum represented generalist core lactic acid bacteria (LAB) symbionts, while Convivina species and Fructobacillus fructosus represented highly specialised core LAB symbionts with strongly reduced genome sizes. Sphingomonas and Spiroplasma were the only non‐LAB core symbionts but were not isolated. Convivina bacteria were particularly enriched in the hornet crop and included Convivina intestini, a species adapted towards amino acid metabolism, and Convivina praedatoris sp. nov. which was adapted towards carbohydrate metabolism.

Funder

Fonds Wetenschappelijk Onderzoek

Publisher

Wiley

Subject

Insect Science,Genetics,Molecular Biology

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1. Validation List no. 215. Valid publication of new names and new combinations effectively published outside the IJSEM;International Journal of Systematic and Evolutionary Microbiology;2024-02-01

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