Identification of a Growth Stimulant for Lactobacillus sanfrancisco.
A compound required for the luxuriant growth of Lactobacillus sanfrancisco in laboratory media was isolated from a freshly prepared yeast extract, purified, and characterized. The stimulant was identified as a small peptide with a molecular weight of approximately 1,065, containing aspartic acid, cysteine, glutamic acid, glycine, and lysine.
Berg
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Department of Microbiology, Oregon State University, Corvallis, Oregon 97331.
Sandine
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Anderson
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