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. 1965 Oct;97(1):27–31. doi: 10.1042/bj0970027

The biosynthesis of l-rhamnose of plum-leaf polysaccharides

P Andrews 1,*, L Hough 1, J M Picken 1,†
PMCID: PMC1264539  PMID: 16749113

Abstract

1. The utilization of d-[1-14C]- and d-[6-14C]-glucose in the biosynthesis of l-rhamnose units of plum-leaf polysaccharides has been studied. 2. After the precursors had been metabolized in the leaves, polysaccharide fractions were prepared therefrom and the constituent l-rhamnose was isolated and purified. 3. Both the specific activity and the distribution of 14C along the carbon chain of l-rhamnose from two polysaccharide fractions from each experiment were determined. 4. The results indicated a close affinity between l-rhamnose and pectin, and show that biosynthesis of the 6-deoxyhexose from d-glucose occurs in the main without scission or inversion of the carbon chain. 5. A degradation scheme for l-rhamnose via l-rhamnitol was described which gives the labelling at C-1, C-2+C-3+C-4,C-5 and C-6 on a 0·3millimole scale.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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