Changes in cell wall composition and water-soluble polysaccharides during kiwifruit development

被引:18
作者
Gallego, PP [1 ]
Zarra, I [1 ]
机构
[1] UNIV SANTIAGO,FAC BIOL,FISIOL VEGETAL LAB,E-15706 SANTIAGO COMPOSTE,SPAIN
关键词
Actinidia deliciosa; cell wall; fruit growth; kiwifruit; water-soluble polysaccharides;
D O I
10.1006/anbo.1997.0399
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Changes in both cell wall and water-soluble polysaccharide composition during the growth of kiwifruits [Actinidia deliciosa (A. chev.) C. F. Liang and A. R. Ferguson var. deliciosa 'Hayward'] were investigated. Cellulose was the major wall polysaccharide, with galactose and uronics the main non-cellulosic sugars. Much solubilization of cell wall pectic polysaccharides was detected. While wall-galactose solubilization started 3 months after anthesis, polyuronide degradation did not start until the fifth month, 1 month prior to the harvest date. Parallel to these processes, a linear increase in water-soluble polysaccharides was detected. These mainly comprised galactose-rich polymers in the first 3 months and little-branched polyuronides after the fifth month. Two different mechanisms for galactose and uronic acid solubilization from kiwifruit cell walls during fruit development are proposed. (C) 1997 Annals of Botany Company.
引用
收藏
页码:695 / 701
页数:7
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