Comparative Genomics of Ethanolamine Utilization
نویسندگان
چکیده
منابع مشابه
Comparative genomics of ethanolamine utilization.
Ethanolamine can be used as a source of carbon and nitrogen by phylogenetically diverse bacteria. Ethanolamine-ammonia lyase, the enzyme that breaks ethanolamine into acetaldehyde and ammonia, is encoded by the gene tandem eutBC. Despite extensive studies of ethanolamine utilization in Salmonella enterica serovar Typhimurium, much remains to be learned about EutBC structure and catalytic mechan...
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Ethanolamine (EA) is a valuable source of carbon and/or nitrogen for bacteria capable of its catabolism. Because it is derived from the membrane phospholipid phosphatidylethanolamine, it is particularly prevalent in the gastrointestinal tract, which is membrane rich due to turnover of the intestinal epithelium and the resident microbiota. Intriguingly, many gut pathogens carry the eut (ethanola...
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Ethanolamine can serve as the sole source of carbon and nitrogen for Salmonella typhimurium if vitamin B12 is present to serve as a cofactor. The pathway for ethanolamine utilization has been investigated in order to understand its regulation and determine whether the pathway is important to the selective forces that have maintained the ability to synthesize B12 in S. typhimurium. We isolated m...
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The purified obelin was electrophoresed on 7 % polyacrylamide gels in Tris-glycine buffer, pH 8.3, containing 0.1 mM-EDTA. Gels stained with Coomassie Brilliant Blue showed a single band at the buffer front, which correlated in position with luminescent activity. This activity could be eluted from unstained gel slices by soaking them overnight in 0.1 mM-EDTA-lOmM-Hepes, pH 7.0, at 4°C. Obelin i...
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ژورنال
عنوان ژورنال: Journal of Bacteriology
سال: 2009
ISSN: 0021-9193,1098-5530
DOI: 10.1128/jb.00838-09