Abstract
Two distinct strains of the Penicillium nigricans-janczewskii series have been isolated from Wareham Heath soil1. One of these strains, regarded as typical of the species Penicillium janczewskii Zal., has been shown2 to produce a substance causing marked abnormality of fungus growth; this substance has since been found to be identical with the previously known mould product griseofulvin3. The other strain., distinct from P. janczewskii and not definitely assignable to any of the described species within the P. nigricans-janczewskii series, has been shown to produce fungistatic and bacteriostatic culture filtrates on Raulin–Thom medium. A red pigment possessing antibacterial and fungistatic properties has now been isolated from such filtrates.
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References
Brian, P. W., Hemming, H. G., and McGowan, J. C., Nature, 155, 637 (1945).
Brian, P. W., Curtis, P. J., and Hemming, H. G., Trans. Brit. Mycol. Soc., 29, 173 (1946).
Grove, J. F., and McGowan, J. C., see preceding communication.
Brian, P. W., and Hemming, H. G., Ann. Appl. Biol., 32, 214 (1945).
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CURTIS, P., GROVE, J. A Fungistatic and Bacteriostatic Red Pigment Produced by a Strain of the Penicillium nigricans-janczewskii Series. Nature 160, 574–575 (1947). https://doi.org/10.1038/160574b0
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DOI: https://doi.org/10.1038/160574b0
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