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Title (Primary) Growth of Dehalococcoides mccartyi species in an autotrophic consortium producing limited acetate
Author Ding, C.; Alvarez-Cohen, L.; He, J.;
Journal Biodegradation
Year 2018
Department ISOBIO;
Volume 29
Issue 5
Language englisch;
POF III (all) T15;
Supplements https://static-content.springer.com/esm/art%3A10.1007%2Fs10532-018-9846-9/MediaObjects/10532_2018_9846_MOESM1_ESM.docx
Keywords Isotope fractionation; Parathion; In situ hydrolysis; Field application; CSIA
Abstract The applicability of compound-specific isotope analysis (CSIA) for assessing in situ hydrolysis of parathion was investigated in a contaminated aquifer at a former pesticide wastes landfill site. Stable isotope analysis of parathion extracted from groundwater taken from different monitoring wells revealed a maximum enrichment in carbon isotope ratio of +4.9‰ compared to the source of parathion, providing evidence that in situ hydrolysis took place. Calculations based on the Rayleigh-equation approach indicated that the natural attenuation of parathion was up to 8.6% by hydrolysis under neutral and acidic conditions. In degradation experiments with aerobic and anaerobic parathion-degrading microbes, no carbon and hydrogen isotope fractionation of parathion were observed. For the first time, CSIA has been applied for the exclusive assessment of the hydrolysis of phosphorothioate-containing organophosphorus pesticides at a contaminated field site.
ID 20916
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=20916
Ding, C., Alvarez-Cohen, L., He, J. (2018):
Growth of Dehalococcoides mccartyi species in an autotrophic consortium producing limited acetate
Biodegradation 29 (5), 487 - 498