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Abstract
Two simple media for the enhancement of pigment production by certain organisms of
the Pseudomonas genus are described. The results of comparative studies employing
these media, certain synthetic broths, and some commonly used dehydrated preparations
are reported. One hundred (93 per cent) of the 107 strains of Pseudomonas studied
were detected by pigment production on medium B; all 107 strains could be detected
by the combined use of Heart Infusion agar and 27 per cent on Tryptose agar. The reactions
produced strains elaborated a water-soluble pigment; 40 per cent were positive on
Difco media A and B. On Difco Proteose peptone No. 3 agar, 77 per cent of the same
on the two media by organisms belonging to certain other genera are described.
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References
- The Amino Acid Requirements for Pyocyanin Production.Canad. J. Res. C. 1947; 25: 121
- The Mineral Requirements for Pyocyanin Production.Canad. J. Res. C. 1948; 26: 15
Difco Manual, Ed. 8, 1948.
- Occurrene and Identification of Nonpigmented Strains of Pseudomonas aeruginosa in the Clinical Laboratory.J. Bact. 1953; 65: 746
- Study of Bacterial Fluorescence in Various Media. I. Inorganic Substances Necessary for Bacterial Fluorescence.J. Bact. 1931; 22: 349
- Study of Bacterial Fluorescence in Various Media. II. The Production of Fluorescence in Media Made From Peptones.J. Bact. 1932; 23: 135
- The Mineral Requirements for Fluorescin Production.Canad. J. Res. C. 1948; 26: 514
Schoenlein, N. W.: Personal communication.
Article Info
Publication History
Received:
March 8,
1954
Identification
Copyright
© 1954 Published by Elsevier Inc.
