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Article Dans Une Revue International Journal of Systematic and Evolutionary Microbiology Année : 2012

Fusibacter tunisiensis sp. nov., isolated from an anaerobic reactor used to treat olive-mill wastewater

Belkis Fraj
  • Fonction : Auteur
Anne Postec
Khaled Fadhlaoui
Moktar Hamdi
  • Fonction : Auteur
Bernard Ollivier
  • Fonction : Auteur
Marie-Laure Fardeau
  • Fonction : Auteur

Résumé

Strain BELH1 T , a novel mesophilic, anaerobic, halotolerant, rod-shaped bacterium, was isolated from a Tunisian wastewater digester. The cells of the strain are motile, measure 0.5×2–5 µm, and occur singly or in pairs. The strain reduced thiosulfate and elemental sulfur (but not sulfate or sulfite) into sulfide. It grew at 15–40 °C (optimum 30 °C), pH 5.8–8.4 (optimum 7) and with 0–10 % (w/v) NaCl (optimum 3.0 %). The genomic DNA G+C content of strain BELH1 T was 38.2 mol% and the strain’s predominant cellular fatty acids were C 14 : 0 , a summed feature that contained iso-C 17 : 1 and/or anteiso-C 17 : 1 B, and C 16 : 0 . Phylogenetic analysis based on 16S rRNA gene sequences indicated that the novel strain was most closely related to Fusibacter paucivorans (94.8 % sequence similarity). Based on phenotypic, phylogenetic and taxonomic characteristics, strain BELH1 T represents a novel species of the genus Fusibacter , for which the name Fusibacter tunisiensis sp. nov. is proposed. The type strain is BELH1 T ( = DSM 24436 T = JCM 17481 T ).

Dates et versions

hal-04283776 , version 1 (14-11-2023)

Identifiants

Citer

Wajdi Ben Hania, Belkis Fraj, Anne Postec, Khaled Fadhlaoui, Moktar Hamdi, et al.. Fusibacter tunisiensis sp. nov., isolated from an anaerobic reactor used to treat olive-mill wastewater. International Journal of Systematic and Evolutionary Microbiology, 2012, 62 (Pt_6), pp.1365-1368. ⟨10.1099/ijs.0.034603-0⟩. ⟨hal-04283776⟩

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