Fermentative degradation of resorcinol and resorcylic acids

Tschech, Andreas; Schink, Bernhard

Fermentative degradation of resorcinol and resorcylic acids

Dateien

Fermentative_degradation_of_resorcinol_and_resorcylic_acids_1985.pdfGröße: 2.47 MBDownloads: 536

Datum

1985

Autor:innen

Tschech, Andreas

Schink, Bernhard

Open Access-Veröffentlichung

Open Access Green

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Archives of Microbiology. 1985, 143(1), pp. 52-59. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00414768

Zusammenfassung

Anaerobic fermentative degradation of resorcinol and resorcylates was studied in enrichment cultures inoculated with marine or freshwater sediments or digested sludge, e-Resorcylate (3,5-dihydroxybenzoate) was degraded very rapidly to acetate and methane by enrichment cultures inoculated with freshwater sediment or sewage sludge, but degradation was slow in enrichments from marine habitats. The freshwater cultures did not degrade any other related phenolic substrates. Inhibition of methanogenic bacteria by bromoethanesulfonate and acetylene led to enhanced acetate formation indicating homoacetogenic hydrogen oxidation. With resorcinol (1,3-dihydroxybenzene) and/% and 7-resorcylate (2,4- and 2,6-dihydroxybenzoate), two different types of Gram-positive spore-forming strict anaerobes were isolated, which both did not grow with c~-resorcylate. Both were assigned to the genus Clostridium. From freshwater enrichments, six strains were isolated in defined coculture with Campylobacter sp. They fermented resorcinol and /% and 7-resorcylate stoichiometrically to acetate and butyrate. No interspecies hydrogen transfer to methanogenic or other anaerobic bacteria was found. None out of numerous organic nutrients tested substituted for Campylobacter sp. as partner in defined cultures; the nutritive dependence of this bacterium could not be elucidated. Isolates from marine sediments formed acetate and hydrogen from resorcyclic compounds, and depended on syntrophic association with hydrogenscavenging anaerobes such as methanogens.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Anaerobic phenol degradation, Aromatic Resorcinol, Resorcylic acids, Clostridium sp., Interspecies hydrogen transfer, Butyrate fermentation

Zitieren

ISO 690

TSCHECH, Andreas, Bernhard SCHINK, 1985. Fermentative degradation of resorcinol and resorcylic acids. In: Archives of Microbiology. 1985, 143(1), pp. 52-59. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00414768

BibTex

@article{Tschech1985Ferme-7532,
  year={1985},
  doi={10.1007/BF00414768},
  title={Fermentative degradation of resorcinol and resorcylic acids},
  number={1},
  volume={143},
  issn={0302-8933},
  journal={Archives of Microbiology},
  pages={52--59},
  author={Tschech, Andreas and Schink, Bernhard}
}

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