1887

Abstract

A novel, mesophilic, Gram-negative bacterium was isolated from an anaerobic digestor for municipal wastewater. The bacterium degraded adipate in the presence of sulfate, sulfite, thiosulfate and elemental sulfur. (E)-2-Hexenedioate accumulated transiently in the degradation of adipate. (E)-2-Hexenedioate, (E)-3-hexenedioate, pyruvate, lactate, C1-C12 straight-chain fatty acids and C2-C10 straight-chain primary alcohols were also utilized as electron donors. 3-Phenylpropionate was oxidized to benzoate. The G + C content of the DNA was 60 mol%. 16S rDNA sequence analysis revealed that the new isolate clustered with species of the genus Syntrophobacter and Desulforhabdus amnigenus. Strain TsuAS1T resembles Desulforhabdus amnigenus DSM 10338T with respect to the ability to utilize acetate as an electron donor and the inability to utilize propionate without sulfate in co-culture with Methanospirillum hungatei DSM 864. Strains TsuAS1T and DSM 10338T form a 'non-syntrophic subcluster' within the genus Syntrophobacter. Desulfovirga adipica gen. nov., sp. nov. is proposed for the newly isolated bacterium, with strain TsuAS1T (= DSM 12016T) as the type strain.

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/content/journal/ijsem/10.1099/00207713-50-2-639
2000-03-01
2019-11-22
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http://instance.metastore.ingenta.com/content/journal/ijsem/10.1099/00207713-50-2-639
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