Labeling of Fructans in Winter Wheat Stems (original) (raw)

Plant Physiol. 1986 Apr; 80(4): 1048–1050.

Department of Plant Pathology and Weed Science, Colorado State University, Fort Collins, Colorado 80523

Department of Botany, Colorado State University, Fort Collins, Colorado 80523

Abstract

Fructans synthesized from newly formed assimilates accumulate in wheat stems as nonstructural carbohydrates. Experiments performed tested the hypothesis that the fructose moiety from translocated sucrose is used preferentially in biosynthesis of these fructans. Results indicated: (a) a large percentage of labeled sucrose was translocated and unloaded in an unaltered state; and (b) sucrose contributed its fructose moiety to fructan synthesis in stems.

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Selected References

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Giaquinta RT, Lin W, Sadler NL, Franceschi VR. Pathway of Phloem unloading of sucrose in corn roots. Plant Physiol. 1983 Jun;72(2):362–367. [PMC free article] [PubMed] [Google Scholar]
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