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Titolo:
Biodegradation of polycyclic aromatic hydrocarbons by Sphingomonas strainsisolated from the terrestrial subsurface
Autore:
Shi, T; Fredrickson, JK; Balkwill, DL;
Indirizzi:
Florida State Univ, Dept Biol Sci, Tallahassee, FL 32306 USA Florida StateUniv Tallahassee FL USA 32306 ci, Tallahassee, FL 32306 USA Pacific NW Natl Lab, Richland, WA 99352 USA Pacific NW Natl Lab Richland WA USA 99352 atl Lab, Richland, WA 99352 USA
Titolo Testata:
JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY
fascicolo: 5, volume: 26, anno: 2001,
pagine: 283 - 289
SICI:
1367-5435(200105)26:5<283:BOPAHB>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SURFACTANT-ENHANCED BIODEGRADATION; DEEP-SUBSURFACE; DEGRADING BACTERIA; CATABOLIC PLASMID; MYCOBACTERIUM SP; SP-NOV; DEGRADATION; FLUORANTHENE; PHENANTHRENE; MINERALIZATION;
Keywords:
polycyclic aromatic hydrocarbons; PAH degradation; Sphingomonas; subsurface bacteria; fluoranthene; phenanthrene;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Balkwill, DL Florida State Univ, Dept Biol Sci, 312 Nucl Res Bldg, Tallahassee, FL 32306 USA Florida State Univ 312 Nucl Res Bldg Tallahassee FL USA 32306
Citazione:
T. Shi et al., "Biodegradation of polycyclic aromatic hydrocarbons by Sphingomonas strainsisolated from the terrestrial subsurface", J IND MIC B, 26(5), 2001, pp. 283-289

Abstract

Several strains of Sphingomonas isolated from deep Atlantic coastal plain aquifers at the US Department of Energy Savannah River Site (SRS) near Aiken, SC were shown to degrade a variety of aromatic hydrocarbons in a liquid culture medium. Sphingomonas aromaticivorans strain B0695 was the most versatile of the five strains examined. This strain was able to degrade acenaphthene, anthracene, phenanthrene, 2,3-benzofluorene, 2- methyl naphthalene, 2,3-dimethylnaphthalene, and fluoranthene in the presence of 400 mg l(-1) Tween 80. Studies involving microcosms composed of aquifer sediments showed that S. aromaticivorans B0695 could degrade phenanthrene effectively in sterile sediment and could enhance the rate at which this compound was degraded in nonsterile sediment. These findings indicate that it may be feasible to carry out (or, at least, to enhance) in situ bioremediation of phenanthrene-contaminated soils and subsurface environments with S. aromaticivorans B0695. In contrast, strain B0695 was unable to degrade fluoranthene in microcosms containing aquifer sediments, even though it readily degraded this polynuclear aromatic hydrocarbon (PAH) in a defined liquid growth medium.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 15/08/20 alle ore 19:50:37