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Int J Syst Evol Microbiol 54 (2004), 951-954; DOI  10.1099/ijs.0.03054-0
© 2004 International Union of Microbiological Societies

Propionispora hippei sp. nov., a novel Gram-negative, spore-forming anaerobe that produces propionic acid

Dunja Manal Abou-Zeid1, Hanno Biebl1, Cathrin Spröer2 and Rolf-Joachim Müller1

1 GBF – Gesellschaft für Biotechnologische Forschung mbH, Mascheroder Weg 1, D-38124 Braunschweig, Germany
2 DSMZ – Deutsche Sammlung von Mikroorganismen und Zellkulturen, Mascheroder Weg 1b, D-38124 Braunschweig, Germany

Correspondence
Hanno Biebl
hbi{at}gbf.de

A Gram-negative, spore-forming anaerobe, KST, was isolated from an enrichment culture that was set up for anaerobic degradation of the aliphatic polyester poly(propylene adipate). The strain had the cellular organization of Sporomusa, vibrio-shaped cells and terminal round spores, and fermented sugars and sugar alcohols to propionic and acetic acid. Based on the morphological and physiological features as well as on a 16S rRNA gene similarity of 98 %, it was grouped with Propionispora vibrioides. A relatively low DNA–DNA hybridization value with the type strain of this species (47 %), and differences in substrate utilization and spore morphology, suggested that the strain should be classified in a separate species, Propionispora hippei sp. nov., with KST as the type strain (=DSM 15287T=ATCC BAA-665T).

Published online ahead of print on 23 January 2004 as DOI 10.1099/ijs.0.03054-0.

The GenBank/EMBL/DDBJ accession number for the 16S rDNA sequence of Propionispora hippei KST is AJ508927.

Details of the time-course of polymer degradation by P. hippei are available as supplementary material in IJSEM Online.






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Copyright © 2004 by the International Union of Microbiological Societies.