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- JournalSummary: Vol. 25 is composed entirely of the Alice Eastwood semi-centennial publications, no. 1-18, of the California Academy of Sciences.Digital Access BHL v. 1-, 1907-
- ArticleAono H, Yuasa S.Biosystems. 1977 Sep;9(2-3):151-4.The evolutionary significance of the system utilizing D-amino acid enantiomers in living organisms is discussed, based on an experiment in which the mutant from Escherichia coli K--12 4627 grown on D-tryptophan was used. The mutant shows the ability of D-tryptophan is degraded to indol which can be utilized for the synthesis of L-tryptophan in the presence of serine.