Sulfate-reducing bacteria from the oxic sediment layers of the oligotrophic Lake Stechlin

Sass, Henrik ORCID: https://orcid.org/0000-0001-8740-4224, Cypionka, Heribert and Babenzien, Hans-Dietrich 1996. Sulfate-reducing bacteria from the oxic sediment layers of the oligotrophic Lake Stechlin. Advances in Limnology 48 , pp. 241-246.

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Abstract

Vertical distribution of sulfate-reducing bacteria (SRB) in littoral sediments of the oligotrophic Lake Stechlin was investigated. In this lake an oxic sediment layer of 5-10 mm thickness was present throughout the year. The numbers of SRB in the oxic sediment layers were nearly as high as in the anoxic sediment layers and reached up to 0.75 · 105 cells/cm3. From the different sediment layers 13 pure cultures of sulfate-reducing bacteria were isolated from the highest dilution steps in MPN series. The strains from oxic zones differed from those of the deeper layers by a higher oxygen tolerance, a broader spectrum of substrates oxidized with O2, and by the presence of high catalase activity. Growth in the presence of oxygen was not observed.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Earth and Environmental Sciences
Subjects:	Q Science > QR Microbiology
Publisher:	Schweizerbart and Borntraeger science publishers
ISSN:	1612-166X
Last Modified:	18 Oct 2022 12:19
URI:	https://orca.cardiff.ac.uk/id/eprint/9347

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