芳香烃需氧细菌降解过程中的碳和氢稳定同位素分馏
Carbon and hydrogen stable isotope fractionation during aerobic bacterial degradation of aromatic hydrocarbons.
作者信息
Morasch Barbara, Richnow Hans H, Schink Bernhard, Vieth Andrea, Meckenstock Rainer U
机构信息
Fakultät für Biologie, Universität Konstanz, D-78457 Konstanz. Umweltforschungszentrum Leipzig-Halle GmbH, D-04318 Leipzig, Germany.
出版信息
Appl Environ Microbiol. 2002 Oct;68(10):5191-4. doi: 10.1128/AEM.68.10.5191-5194.2002.
Abstract
13C/(12)C and D/H stable isotope fractionation during aerobic degradation was determined for Pseudomonas putida strain mt-2, Pseudomonas putida strain F1, Ralstonia pickettii strain PKO1, and Pseudomonas putida strain NCIB 9816 grown with toluene, xylenes, and naphthalene. Different types of initial reactions used by the respective bacterial strains could be linked with certain extents of stable isotope fractionation during substrate degradation.
摘要
测定了恶臭假单胞菌mt-2菌株、恶臭假单胞菌F1菌株、皮氏罗尔斯顿菌PKO1菌株以及恶臭假单胞菌NCIB 9816菌株在以甲苯、二甲苯和萘为底物进行好氧降解过程中的13C/12C和D/H稳定同位素分馏情况。各细菌菌株所采用的不同类型初始反应，可与底物降解过程中一定程度的稳定同位素分馏联系起来。
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