Fermented whey--an inexpensive feed source for a laboratory-scale selenium-bioremediation reactor system inoculated with Thauera selenatis
It is critical that an inexpensive electron-donor/carbon-source be found for selenium bioremediation using the selenate-respiring bacterium, Thauera selenatis. Since acetate is a preferred substrate for growth of this organism, a method was developed for fermenting the lactose in whey to large amoun...
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| Veröffentlicht in: | Applied microbiology and biotechnology 1999-05, Vol.51 (5), p.682-685 |
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| container_title | Applied microbiology and biotechnology |
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| creator | Bledsoe, T.L Cantafio, A.W Macy, J.M |
| description | It is critical that an inexpensive electron-donor/carbon-source be found for selenium bioremediation using the selenate-respiring bacterium, Thauera selenatis. Since acetate is a preferred substrate for growth of this organism, a method was developed for fermenting the lactose in whey to large amounts of acetate. Indigenous whey microorganisms fermented the whey lactose in this manner when grown in continuous culture at a very slow dilution rate (D = 0.05 h-1). The successful use of the fermented whey lactose as the carbon-source/electron- donor feed for a laboratory-scale selenium-bioremediation reactor system, inoculated with T. selenatis, treating selenium-contaminated drainage water was also demonstrated. Selenium oxyanions and nitrate were reduced by 98%. |
| doi_str_mv | 10.1007/s002530051452 |
| format | Article |
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Since acetate is a preferred substrate for growth of this organism, a method was developed for fermenting the lactose in whey to large amounts of acetate. Indigenous whey microorganisms fermented the whey lactose in this manner when grown in continuous culture at a very slow dilution rate (D = 0.05 h-1). The successful use of the fermented whey lactose as the carbon-source/electron- donor feed for a laboratory-scale selenium-bioremediation reactor system, inoculated with T. selenatis, treating selenium-contaminated drainage water was also demonstrated. Selenium oxyanions and nitrate were reduced by 98%.</description><identifier>ISSN: 0175-7598</identifier><identifier>EISSN: 1432-0614</identifier><identifier>DOI: 10.1007/s002530051452</identifier><identifier>PMID: 10390824</identifier><identifier>CODEN: AMBIDG</identifier><language>eng</language><publisher>Berlin: Springer</publisher><subject>Animals ; Biodegradation, Environmental ; Biological and medical sciences ; Biological treatment of waters ; Biomass ; Bioreactors - microbiology ; Bioremediation ; Biotechnology ; contamination ; Culture Media - chemistry ; Drainage water ; Environment and pollution ; Fermentation ; Fundamental and applied biological sciences. Psychology ; Gram-Negative Facultatively Anaerobic Rods - growth & development ; Gram-Negative Facultatively Anaerobic Rods - metabolism ; Industrial applications and implications. Economical aspects ; Laboratories ; Lactose ; Lactose - metabolism ; Microorganisms ; Milk - metabolism ; Milk Proteins - metabolism ; Reactors ; Selenium ; Selenium - metabolism ; Thauera selenatis ; Water pollution</subject><ispartof>Applied microbiology and biotechnology, 1999-05, Vol.51 (5), p.682-685</ispartof><rights>1999 INIST-CNRS</rights><rights>Springer-Verlag Berlin Heidelberg 1999</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c437t-3b006d62577182dc987b62ddd6e43dc53a4254b370bc9e5640dc089add9b29513</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1855700$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10390824$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bledsoe, T.L</creatorcontrib><creatorcontrib>Cantafio, A.W</creatorcontrib><creatorcontrib>Macy, J.M</creatorcontrib><title>Fermented whey--an inexpensive feed source for a laboratory-scale selenium-bioremediation reactor system inoculated with Thauera selenatis</title><title>Applied microbiology and biotechnology</title><addtitle>Appl Microbiol Biotechnol</addtitle><description>It is critical that an inexpensive electron-donor/carbon-source be found for selenium bioremediation using the selenate-respiring bacterium, Thauera selenatis. Since acetate is a preferred substrate for growth of this organism, a method was developed for fermenting the lactose in whey to large amounts of acetate. Indigenous whey microorganisms fermented the whey lactose in this manner when grown in continuous culture at a very slow dilution rate (D = 0.05 h-1). The successful use of the fermented whey lactose as the carbon-source/electron- donor feed for a laboratory-scale selenium-bioremediation reactor system, inoculated with T. selenatis, treating selenium-contaminated drainage water was also demonstrated. Selenium oxyanions and nitrate were reduced by 98%.</description><subject>Animals</subject><subject>Biodegradation, Environmental</subject><subject>Biological and medical sciences</subject><subject>Biological treatment of waters</subject><subject>Biomass</subject><subject>Bioreactors - microbiology</subject><subject>Bioremediation</subject><subject>Biotechnology</subject><subject>contamination</subject><subject>Culture Media - chemistry</subject><subject>Drainage water</subject><subject>Environment and pollution</subject><subject>Fermentation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gram-Negative Facultatively Anaerobic Rods - growth & development</subject><subject>Gram-Negative Facultatively Anaerobic Rods - metabolism</subject><subject>Industrial applications and implications. 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Psychology</topic><topic>Gram-Negative Facultatively Anaerobic Rods - growth & development</topic><topic>Gram-Negative Facultatively Anaerobic Rods - metabolism</topic><topic>Industrial applications and implications. 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bioremediation using the selenate-respiring bacterium, Thauera selenatis. Since acetate is a preferred substrate for growth of this organism, a method was developed for fermenting the lactose in whey to large amounts of acetate. Indigenous whey microorganisms fermented the whey lactose in this manner when grown in continuous culture at a very slow dilution rate (D = 0.05 h-1). The successful use of the fermented whey lactose as the carbon-source/electron- donor feed for a laboratory-scale selenium-bioremediation reactor system, inoculated with T. selenatis, treating selenium-contaminated drainage water was also demonstrated. Selenium oxyanions and nitrate were reduced by 98%.</abstract><cop>Berlin</cop><pub>Springer</pub><pmid>10390824</pmid><doi>10.1007/s002530051452</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0175-7598 |
| ispartof | Applied microbiology and biotechnology, 1999-05, Vol.51 (5), p.682-685 |
| issn | 0175-7598 1432-0614 |
| language | eng |
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| source | MEDLINE; SpringerLink Journals - AutoHoldings |
| subjects | Animals Biodegradation, Environmental Biological and medical sciences Biological treatment of waters Biomass Bioreactors - microbiology Bioremediation Biotechnology contamination Culture Media - chemistry Drainage water Environment and pollution Fermentation Fundamental and applied biological sciences. Psychology Gram-Negative Facultatively Anaerobic Rods - growth & development Gram-Negative Facultatively Anaerobic Rods - metabolism Industrial applications and implications. Economical aspects Laboratories Lactose Lactose - metabolism Microorganisms Milk - metabolism Milk Proteins - metabolism Reactors Selenium Selenium - metabolism Thauera selenatis Water pollution |
| title | Fermented whey--an inexpensive feed source for a laboratory-scale selenium-bioremediation reactor system inoculated with Thauera selenatis |
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