冬小麦茎中果聚糖的标记
Labeling of fructans in winter wheat stems.
作者信息
Hogan M E, Hendrix J E
机构信息
Department of Plant Pathology and Weed Science, Colorado State University, Fort Collins, Colorado 80523.
出版信息
Plant Physiol. 1986 Apr;80(4):1048-50. doi: 10.1104/pp.80.4.1048.
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.
摘要
由新形成的同化物合成的果聚糖作为非结构性碳水化合物积累在小麦茎中。所进行的实验检验了这样一个假说，即转运来的蔗糖中的果糖部分优先用于这些果聚糖的生物合成。结果表明：(a) 很大比例的标记蔗糖以未改变的状态被转运和卸载；以及 (b) 蔗糖将其果糖部分贡献于茎中果聚糖的合成。
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