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Published May 1951 | Published
Journal Article Open

Threonine and homoserine in extracts of methionineless mutant of neurospora


Previous work (1, 2) with methionineless and threonineless mutants of Neurospora crasaa has indicated the following relationships between the biosyntheses of threonine and methionine in this organism.

Additional Information

© 1951 American Society for Biochemistry and Molecular Biology. Received for publication, December 12, 1950. Under a Creative Commons license - Attribution 4.0 International (CC BY 4.0) This work was supported by grants from the Nutrition Foundation, Inc., and from the Office of Naval Research, United States Navy Department. The elementary analysis of threonine was carried out by Mr. G. A. Swinehart. We wish to thank Professor H. Borsook and members of his research group for help in connection with some of the chromatographic procedures. n-Homoserine and P-hydroxy+homoserine were found to support growth of the homoserineless mutant in the presence of threonine.

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