Genome-based reclassification of Desulfovibrio sp. G11 (DSM 7057) as Desulfovibrio falkowii with an emended description of the species.

Authors

Anna Kolsi, Khosrow Mohammadi, Janetta Hakovirta, Per E J Saris

Published in

International journal of systematic and evolutionary microbiology. Volume 76. Issue 6.

Abstract

Desulfovibrio sp. G11, originally isolated from bovine rumen fluid, has served as a model organism in many studies. Our analyses suggest its reassignment to Desulfovibrio falkowii, a species recently described from the human gut microbiome. Here, we present a genome-based reclassification of strain G11 using digital DNA-DNA hybridization (dDDH), average nucleotide identity (ANI) and phylogenomic inference. Our results show dDDH values ranging from 74.5 to 92.7% and an ANI of 98.73% between strain G11 and the D. falkowii type strain 13CB8C (DSM 116810T), supporting their relation. In addition, we expand the phenotypic description of D. falkowii by demonstrating catalase and desulfoviridin positivity and confirming motility in multiple strains, including the type strain previously described as non-motile.

PMID:
42371689
Bibliographic data and abstract were imported from PubMed on 29 Jun 2026.

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