Bacterial Porphyrin Extraction and Quantification by LC/MS/MS Analysis.


Heme is an iron-containing porphyrin which acts as a prosthetic group in several enzymes involved in disparate functions, such as respiration and H2O2-scavenging. Escherichia coli is able to produce heme endogenously since it contains all the enzymes involved in the nine-step biosynthesis pathway, which in absence of stress and in iron-replete media… (More)


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