Fermentation of primary alcohols and diols and pure culture of syntrophically alcohol-oxidizing anaerobes

Eichler, Barbara; Schink, Bernhard

Fermentation of primary alcohols and diols and pure culture of syntrophically alcohol-oxidizing anaerobes

Dateien

Fermentation_of_primary_alcohols_and_diols_and_1985.pdfGröße: 2.09 MBDownloads: 440

Datum

1985

Autor:innen

Eichler, Barbara

Schink, Bernhard

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Archives of Microbiology. 1985, 143(1), pp. 60-66. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00414769

Zusammenfassung

Ethanol, propanol, ethylene glycol, 1,2-propanediol, 1,2-butanediol, acetoin, diacetyl, and 2,3-pentanedione were used as substrates for enrichment and isolation of alcohol-oxidizing fermentative bacteria. Diacetyl and 2,3- pentanedione proved to be highly toxic. With the other substrates, various kinds of bacteria could be isolated which were assigned to three different metabolic groups: (i) homoacetogenic bacteria, and (ii) bacteria forming propionate as reduced end product were isolated from freshwater sources; (iii) bacteria disproportionating acetoin and 1,2-diols to acids and primary alcohols were isolated from marine sediments.The latter oxidized primary alcohols to fatty acids in the presence of hydrogen-oxidizing partners. Syntrophically ethanol-oxidizing cocultures enriched with primary alcohols could be separated with 1,2-diols as substrates into an alcohol-oxidizing organism and a hydrogenoxidizing homoacetogen. The pathways of alcohol conversion in the disproportionating isolates were studied in detail. Growth experiments as well as enzymological studies demonstrated that acetoin and 1,2-diols were degraded via acetaldehyde which was also an intermediate in syntrophic oxidation of primary alcohols. The environmental importance of the various metabolic types isolated was assessed by most-probable-number enumerations.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Anaerobic alcohol degradation, Syntrophic metabolism, Diols, Aldehydes, Acetoin, Homopropionate fermentation, Homoacetogenesis

Zitieren

ISO 690

EICHLER, Barbara, Bernhard SCHINK, 1985. Fermentation of primary alcohols and diols and pure culture of syntrophically alcohol-oxidizing anaerobes. In: Archives of Microbiology. 1985, 143(1), pp. 60-66. ISSN 0302-8933. eISSN 1432-072X. Available under: doi: 10.1007/BF00414769

BibTex

@article{Eichler1985Ferme-6996,
  year={1985},
  doi={10.1007/BF00414769},
  title={Fermentation of primary alcohols and diols and pure culture of syntrophically alcohol-oxidizing anaerobes},
  number={1},
  volume={143},
  issn={0302-8933},
  journal={Archives of Microbiology},
  pages={60--66},
  author={Eichler, Barbara and Schink, Bernhard}
}

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