Light and dark metabolism ofl- andd-amino acids in 5 strains ofChlorella vulgaris and 4 strains of the genusAnkistrodesmus |
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Authors: | L E den Dooren de Jong |
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Institution: | (1) Central Bacteriological Laboratory established in the Academic Hospital Dijkzigt, Rotterdam, The Netherlands |
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Abstract: | In the light, 2 out of the 4 newly testedChlorella vulgaris strains were found to use about as many amino acids as a source of nitrogen as the previously investigated strain Delft ; the other 2C. vulgaris strains and 3 of theAnkistrodesmus strains used only a few. The 4thAnkistrodesmus strain used none.On the average,l-amino acids supported better growth thand-amino acids, butd-serine was preferred tol-serine by 3Ankistrodesmus strains.In the dark, growth was only obtained withC. vulgaris strain Delft , and only on a few of thel-amino acids,l-leucine in particular.The author is indebted to the Direction of the Academic Hospital Dijkzigt, Rotterdam and to Prof. Dr. H. Esseveld, Head of the Central Bacteriological Laboratory, Rotterdam, for providing facilities for the performance of this study.He thanks Mrs. Dr. H. J. Leijnse-Ybema for her help in making the chromatograms, and Mr. J. B. Lenstra, pharmacist, for advice in matters of organic chemistry. |
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