“Dehalococcoides ethenogenes”菌株 195 进行固氮的证据。
Evidence for nitrogen fixation by "Dehalococcoides ethenogenes" strain 195.
机构信息
Department of Civil and Environmental Engineering, University of California, Berkeley, CA 94720-1710, USA.
出版信息
Appl Environ Microbiol. 2009 Dec;75(23):7551-5. doi: 10.1128/AEM.01886-09. Epub 2009 Oct 9.
Abstract
Genome annotation of the chlorinated ethene-respiring "Dehalococcoides ethenogenes" strain 195 indicated the presence of a complete nitrogenase operon. Here, results from long-term growth experiments, gene expression, and (15)N(2)-isotope measurements confirm that strain 195 is capable of fixing atmospheric dinitrogen when a defined fixed-nitrogen source such as ammonium is unavailable.
摘要
对氯代乙烯降解“Dehalococcoides ethenogenes”菌株 195 的基因组注释表明，该菌株存在完整的固氮酶操纵子。在此，通过长期生长实验、基因表达和(15)N2-同位素测量的结果证实，当不存在定义的固定氮源（如铵盐）时，菌株 195 能够固定大气中的氮气。
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