Article Abstract:
Research was conducted to examine the chemostat production of plantaricin C by Lactobacillus plantarum LL441. L. plantarum LL441 was developed in MRS broth to stationary phase,, concentrated 10-fold in fresh MRS containing 220% glycerol and stored at -20 degrees C. Plantaricin C production was examined by the agar well diffusion test with Lactobacillus sake as the indicator strain. Results raise the possibility of increasing production experiments pertaining to plantaricin C to pilot plant assays.
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Article Abstract:
The inhibition of the fish pathogen Vibrio anguillarum by the antibacterial strain Pseudomonas fluorescens strain AH2 has been assessed. The inhibitory effect of the latter was studied under iron-rich and iron-limited conditions. Results indicated that the growth of V. anguillarum can be controlled by the iron-limited sterile-filtered culture supernatants of P. fluorescens. However, the growth of V. anguillarum cannot be stopped by the sterile-filtered supernatants under iron-rich conditions.
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Article Abstract:
The growth and cholesterol oxidation by Mycobacterium strain NRRL B-3683 and strain DP (a Mycobacterium isolated from marine sediment) in cholesterol-Tween 80 medium were examined. Both strains grew rapidly in Tween 80 medium and accumulated 4-androsten-3,17-dione (AD) and 1,4-androstadien-3,17-dione (ADD). However, strain DP accumulated more ADD than did strain NRRL B-3683. The low ADD accumulations by NRRL B-3683 might result from ADD toxicity in Tween 80 medium.
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