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Ecology & Safety, Volume 9, 2015

DEHALOGENATION CAPACITY OF THE STRAIN KLEBSIELLA OXYTOCA
Evgenia K. Vasileva, Venko N. Beschkov, Tsvetomila Parvanova-Mancheva
Pages: 347-354
Published: 28 May 2015
Views: 1425
Downloads: 392
Abstract: The dehalogenation capacity of Klebsiella oxytoca is demonstrated on 1,2-dichloroethane and 1,2-dibromoethane as substrates and sole carbon sources. Full degradation was observed at low and moderate initial concentrations. The chlorine is released in two steps of substrate biodegradation. It is observed that the cells retain chloride ions during their exponential phase of growth. About biodegradation of 1,2-dibromoethane, bromide ion release and reach their stoichiometric value when the concentration of microbial cells in the broth is the highest.
Keywords: 1,2-dichloroethane (dce), 1,2-dibromoethane (dbe), dehalogenation, biodegradation
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