Class IV. Deltaproteobacteria class nov.

Friedrich, Michael; Schink, Bernhard

doi:10.1007/0-387-29298-5_3

Cited by 43 publications

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“…The sequences of Desulfovibrio putealis and Desulfovibrio sulfodismutans were not available. Strain BSY T shared major characteristics with Desulfovibrio species such as cell morphology, presence of cytochrome type c and desulfoviridin as a sulfite-reductase, incomplete oxidation of electron donors, and mesophilic growth (Kuever et al, 2005). Strain BSY T contained MK-6(H 2 ) as the major respiratory quinone, consistent with data for the genus Desulfovibrio (Collins & Widdel, 1986).…”

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confidence: 75%

“…However, in the presence of sulfate as an electron acceptor, some sulfate-reducing bacterial species oxidize butyrate either completely to CO 2 or incompletely to acetate (Rabus et al, 2000). These sulfate-reducing bacterial species belong to the families Desulfobacteraceae (Cravo-Laureau et al, 2004;Kuever et al, 2005;Balk et al, 2008;Suzuki et al, 2008), Desulfohalobiaceae (Belyakova et al, 2006) and Syntrophobacteraceae (Beeder et al, 1995;Sievert & Kuever, 2000;Tanaka et al, 2000) in the class Deltaproteobacteria or to the genus Desulfotomaculum in the phylum Firmicutes (Daumas et al, 1988;Tasaki et al, 1991; Fardeau et al, 1995;Kuever et al, 1999;Vandieken et al, 2006).In the present study, we isolated five sulfate-reducing bacterial strains (BSY T , BSY-C, BST, BST-B and BST-C) from two anaerobic municipal sewage sludge digesters via enrichment cultures. All strains reduced sulfate with Abbreviation: DSR, dissimilatory sulfite-reductase.…”

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confidence: 99%

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Desulfovibrio butyratiphilus sp. nov., a Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an anaerobic municipal sewage sludge digester

Suzuki

Ueki

Shizuku

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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Strictly anaerobic, mesophilic, sulfate-reducing bacterial strains were isolated from two anaerobic municipal sewage sludge digesters. One representative strain (BSY T ) was characterized phenotypically and phylogenetically. Cells were Gram-negative, motile by means of a single polar flagellum, non-spore-forming, curved rods. Cells had desulfoviridin and cytochrome type c. Catalase and oxidase activities were not detected. The optimum NaCl concentration for growth was 0.5 % (w/v). The optimum temperature was 35 6C and the optimum pH was 7.1. Strain BSY T utilized butyrate, 2-methylbutyrate, valerate, pyruvate, lactate, ethanol, 1-propanol, butanol and H 2 as electron donors for sulfate reduction. This strain grew lithoautotrophically with H 2 /CO 2 under sulfate-reducing conditions. Most organic electron donors were incompletely oxidized to mainly acetate, whereas 2-methylbutyrate and valerate were oxidized to equivalent amounts of acetate and propionate. Strain BSY T utilized thiosulfate as an electron acceptor, and grew with pyruvate in the absence of electron acceptors. The genomic DNA G+C content of strain BSY T was 63.3 mol%. Menaquinone MK-6(H 2 ) was the major respiratory quinone. Major cellular fatty acids were C 14 : 0 , C 16 : 0 , C 16 : 1 v7 and C 18 : 1 v7. Phylogenetic analyses based on 16S rRNA and dissimilatory sulfite-reductase b-subunit gene sequences assigned strain BSY T to the genus Desulfovibrio in the family Desulfovibrionaceae within the class Deltaproteobacteria. Its closest recognized relative based on 16S rRNA gene sequences was the type strain of Desulfovibrio putealis (95.3 % similarity). On the basis of significant differences in 16S rRNA gene sequences and phenotypic characteristics, the sewage sludge strains are considered to represent a single novel species of the genus Desulfovibrio, for which the name Desulfovibrio butyratiphilus sp. nov. is proposed. The type strain is BSY T (5JCM 15519 T 5DSM 21556 T ).Butyrate is an important intermediate in the anaerobic degradation of organic matter in various anaerobic ecosystems. Because the oxidation of butyrate is usually thermodynamically unfavourable under anaerobic conditions, it is generally degraded by syntrophic interactions between H 2 -producing acetogenic bacteria and H 2 -utilizing methanogens in methanogenic conditions (Stams, 1994;Schink, 1997;Sekiguchi et al., 2000;Zhang et al., 2004). However, in the presence of sulfate as an electron acceptor, some sulfate-reducing bacterial species oxidize butyrate either completely to CO 2 or incompletely to acetate (Rabus et al., 2000). These sulfate-reducing bacterial species belong to the families Desulfobacteraceae (Cravo-Laureau et al., 2004;Kuever et al., 2005;Balk et al., 2008;Suzuki et al., 2008), Desulfohalobiaceae (Belyakova et al., 2006) and Syntrophobacteraceae (Beeder et al., 1995;Sievert & Kuever, 2000;Tanaka et al., 2000) in the class Deltaproteobacteria or to the genus Desulfotomaculum in the phylum Firmicutes (Daumas et al., 1988;Tasaki et al., 1991; Fardeau et al., 1...

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supporting

confidence: 75%

mentioning

confidence: 99%

Desulfovibrio butyratiphilus sp. nov., a Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an anaerobic municipal sewage sludge digester

Suzuki

Ueki

Shizuku

et al. 2010

International Journal of Systematic and Evolutionary Microbiology

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“…and Desulfotalea spp.) and MK-7 or MK-7(H 2 ) (some species in the family Desulfobacteraceae) are relatively common in SRB species belonging to the class Deltaproteobacteria (Kuever et al, 2005). Although ) have been found in Desulfofaba gelida in the family Desulfobacteraceae, in a psychrophilic species in the SRB (Knoblauch et al, 1999) and also in Desulfopila aestuarii in the family Desulfobulbaceae (Suzuki et al, 2007a), respectively, the presence of MK-8 (including the hydrogenated types) is rather rare among species of the SRB.…”

mentioning

confidence: 99%

“…Of the known butyrate-oxidizing SRB isolated from marine environments, many species in genera such as Desulfobacterium, Desulfosarcina, Desulfobacula, Desulfotignum, Desulfonema, Desulfothermus, Thermodesulforhabdus and Desulfacinum oxidize butyrate completely to CO 2 (Kuever et al, 2005). In contrast, incomplete oxidization is restricted to a few species, such as Desulforhopalus singaporensis, Desulfofaba gelida and Desulfofrigus fragile (Kuever et al, 2005).…”

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Desulfoluna butyratoxydans gen. nov., sp. nov., a novel Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an estuarine sediment in Japan

Suzuki

Ueki

Amaishi

et al. 2008

INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLO

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Desulfoluna butyratoxydans gen. nov., sp. nov., a novel Gram-negative, butyrate-oxidizing, sulfatereducing bacterium isolated from an estuarine sediment in Japan Daisuke Suzuki, Atsuko Ueki, Aya Amaishi3 and Katsuji Ueki Correspondence Atsuko Ueki uatsuko@tds1.tr.yamagata-u.ac.jp Faculty of Agriculture, Yamagata University, Wakaba-machi 1-23, Tsuruoka, Yamagata 997-8555, Japan A strictly anaerobic, mesophilic, sulfate-reducing bacterial strain, designated MSL71 T , was isolated from an estuarine sediment from the Sea of Japan bordering the Japanese islands and was characterized phenotypically and phylogenetically. The cells were found to be Gram-negative, motile, non-spore-forming, slightly curved rods. Catalase and oxidase activities were not detected. The optimum NaCl concentration for growth was 2.0 % (w/v), the optimum temperature was 30 6C and the optimum pH was 6.3. Strain MSL71 T utilized formate, butyrate, pyruvate, lactate, malate, ethanol, propanol, butanol, glycerol and H 2 as electron donors for sulfate reduction. The organic electron donors used were incompletely oxidized, mainly to acetate. The strain did not use acetate, propionate, fumarate, succinate, methanol, glycine, alanine, serine, aspartate or glutamate. Sulfite and thiosulfate were used as electron acceptors with lactate as an electron donor, but fumarate was not utilized. Without electron acceptors, pyruvate and malate, but not lactate or fumarate, were fermented. The genomic DNA G+C content was 62.0 mol%. Menaquinone MK-8(H 4 ) was the major respiratory quinone. The major cellular fatty acids were C 14 : 0 , C 16 : 0 , C 16 : 1 v7, C 18 : 1 v9, C 18 : 1 v7 and C 14 : 0 3-OH. A phylogenetic analysis based on the 16S rRNA gene sequence placed the strain in the class Deltaproteobacteria. The closest recognized relative of strain MSL71 T was Desulfofrigus fragile (93.9 % sequence similarity) and the next closest recognized species was Desulfofrigus oceanense (93.5 %). On the basis of the significant differences in the 16S rRNA gene sequence and phenotypic characteristics between strain MSL71 T and each of the related species, a novel genus and species, Desulfoluna butyratoxydans gen. nov., sp. nov., are proposed to accommodate strain MSL71 T . The type strain is MSL71 T (5JCM 14721 T 5DSM 19427 T ).Sulfate-reducing bacteria (SRB) are capable of utilizing various compounds, such as H 2 , fatty acids, alcohols, amino acids and sugars, as well as aliphatic and aromatic hydrocarbons, as electron donors for sulfate reduction (Hansen, 1993;Castro et al., 2000;Rabus et al., 2000). Major intermediates of anaerobic decomposition of organic matter, such as formate, acetate, propionate, butyrate, lactate and H 2 , serve as the most important electron donors for sulfate reduction, and thus SRB contribute significantly to the mineralization of organic matter and the sulfur cycle (Sørensen et al., 1981;Jørgensen, 1982). In the course of an investigation of SRB in an estuarine sediment from the Japanese islands, we isolated various strains of phylogenetic...

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Taxonomy of Psychrophiles

Nogi

2011

Extremophiles Handbook

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Class IV. Deltaproteobacteria class nov.

Cited by 43 publications

References 0 publications

Desulfovibrio butyratiphilus sp. nov., a Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an anaerobic municipal sewage sludge digester

Desulfovibrio butyratiphilus sp. nov., a Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an anaerobic municipal sewage sludge digester

Desulfoluna butyratoxydans gen. nov., sp. nov., a novel Gram-negative, butyrate-oxidizing, sulfate-reducing bacterium isolated from an estuarine sediment in Japan

Taxonomy of Psychrophiles

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