Abstract
A total of 66 strains of gram-positive cocci, including 21 catalase-negative members of the family Streptococcaceae and strains of Stomatococcus mucilaginosus, were investigated for the ability to produce porphobilinogen and porphyrin from delta-aminolevulinic acid as an alternative to the benzidine test for detecting the presence of cytochromes. Production of porphobilinogen correlated 100% with membership in the family Micrococcaceae.
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Selected References
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