PEPTIDES REQUIRED FOR THE GROWTH OF LACTOBACILLUS BULGARICUS
- 1 April 1962
- journal article
- research article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 83 (4) , 797-+
- https://doi.org/10.1128/jb.83.4.797-801.1962
Abstract
Jones , K. M. (The Rockefeller Institute, New York, N. Y.) and D. W. Woolley . Peptides required for the growth of Lactobacillus bulgaricus . J. Bacteriol. 83: 797–801. 1962.— Lactobacillus bulgaricus 09 had an absolute requirement for growth for a suitable peptide, which was satisfied by trypsinized casein or hemoglobin. Digests of globin and the α and β chains derived from it showed similar activity to hemoglobin digests. Each of four highly purified peptides of different amino acid composition isolated from the α chain of globin had activity. Each active peptide had seven or more residues; smaller peptides were inactive. The requirement for L. bulgaricus was not one for strepogenin because some substances with strepogenin activity for L. casei were not active for L. bulgaricus .Keywords
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