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Characterization of sulfur oxidation by an autotrophic sulfur oxidizer, Thiobacillus sp. ASWW-2

Title
Characterization of sulfur oxidation by an autotrophic sulfur oxidizer, Thiobacillus sp. ASWW-2
Authors
Lee E.Y.Cho K.-S.Ryu H.W.
Ewha Authors
조경숙
SCOPUS Author ID
조경숙scopus
Issue Date
2000
Journal Title
Biotechnology and Bioprocess Engineering
ISSN
1226-8372JCR Link
Citation
Biotechnology and Bioprocess Engineering vol. 5, no. 1, pp. 48 - 52
Indexed
SCIE; SCOPUS; KCI scopus
Document Type
Article
Abstract
An autotrophic sulfur oxidizer, Thiobacillus sp. ASWW-2, was isolated from activated sludge, and its sulfur oxidation activity was characterized. Thiobacillus sp. ASWW-2 could oxidize elemental sulfur on the broad range from pH 2 to 8. When 5-50 g/L of elemental sulfur was supplemented as a substrate, the growth and sulfur oxidation activity of Thiobacillus sp. ASWW-2 was not inhibited. The specific sulfur oxidation rate of strain ASWW-2 decreased gradually until sulfate was accumulated in medium up to 10 g/L. In the range of sulfate concentration from 10 g/L to 50 g/L, the sulfur oxidation rate could keep over 2.0 g-S/g-DCW·d. It indicated that Thiobacillus sp. ASWW-2 has tolerance to high concentration of sulfate.
Appears in Collections:
엘텍공과대학 > 환경공학전공 > Journal papers
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