Affiliation:
1. Department of Microbiology, Dartmouth Medical School, Hanover, New Hampshire 03755
Abstract
The enzyme system capable of converting coproporphyrinogen to protoporphyrin was demonstrated in the soluble fraction of extracts of
Pseudomonas fluorescens
grown aerobically, of
P. denitrificans
grown anaerobically under denitrifying conditions, and of
Escherichia coli
grown both aerobically and anaerobically. Protoporphyrin accumulation by each of these extracts occurred only if the assay was conducted aerobically. Attempts to replace this oxygen requirement with several alternate electron acceptors were not successful. The conversion of coproporphyrinogen to protoporphyrin could not be demonstrated in extracts of the heme-containing organisms
Staphylococcus epidermidis
and
Bacillus subtilis
.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
39 articles.
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