Gluconacetobacter dulcium sp. nov., a novel Gluconacetobacter species from sugar-rich environments

Atena Sadat Sombolestani, Ilse Cleenwerck, Margo Cnockaert, Wim Borremans, Anneleen Wieme, Yvan Moutia, Stijn Paepen, Luc De Vuyst, Peter Vandamme

Research output: Contribution to journalArticle


A phylogenomic analysis based on 107 single-copy core genes revealed that three strains from sugar-rich environments, i.e. LMG 1728T, LMG 1731 and LMG 22058, represented a single, novel Gluconacetobacter lineage with Gluconacetobacter liquefaciens as nearest validly named neighbour. OrthoANIu and digital DNA-DNA hybridization analyses among these strains and Gluconacetobacter type strains confirmed that the three strains represented a novel Gluconacetobacter species. Biochemical characteristics and MALDI-TOF mass spectra allowed differentiation of this novel species from the type strains of G. liquefaciens and other closely related Gluconacetobacter species. We therefore propose to classify strains LMG 1728T, LMG 1731 and LMG 22058 in the novel species Gluconacetobacter dulcium sp. nov., with LMG 1728T (=CECT 30142T) as the type strain
Original languageEnglish
Article number004569
Pages (from-to)1-8
Number of pages8
JournalInternational Journal of Systematic and Evolutionary Microbiology
Issue number1
Publication statusPublished - 22 Dec 2020


  • Gluconacetobacter
  • OrthoANIu
  • Acetic acid bacteria
  • Digital DNA–DNA hybridization
  • Sugar-rich plant material

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