Phenotype and genomic background of Arcobacter butzleri strains and taxogenomic assessment of the species

Food Microbiology
Francesca FanelliVincenzina Fusco

Abstract

In this study the phenotypic and genomic characterization of two Arcobacter butzleri (Ab) strains (Ab 34_O and Ab 39_O) isolated from pre-cut ready-to-eat vegetables were performed. Results provided useful data about their taxonomy and their overall virulence potential with particular reference to the antibiotic and heavy metal susceptibility. These features were moreover compared with those of two Ab strains isolated from shellfish and a genotaxonomic assessment of the Ab species was performed. The two Ab isolated from vegetables were confirmed to belong to the Aliarcobacter butzleri species by 16S rRNA gene sequence analysis, MLST and genomic analyses. The genome-based taxonomic assessment of the Ab species brought to the light the possibility to define different subspecies reflecting the source of isolation, even though further genomes from different sources should be available to support this hypothesis. The strains isolated from vegetables in the same geographic area shared the same distribution of COGs with a prevalence of the cluster "inorganic ion transport and metabolism", consistent with the lithotrophic nature of Arcobacter spp. None of the Ab strains (from shellfish and from vegetables) metabolized carbohydrates but...Continue Reading

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Citations

Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Daniele ChieffiVincenzina Fusco
Dec 19, 2020·Comprehensive Reviews in Food Science and Food Safety·Vincenzina FuscoCharles M A P Franz
Jun 22, 2021·Antimicrobial Agents and Chemotherapy·Susana FerreiraMónica Oleastro

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