Temporal sequence of cell wall disassembly events in developing fruits.: 1.: Analysis of raspberry (Rubus idaeus)

被引：60

作者：

Vicente, Ariel R. ^{[1
]}

Ortugno, Claudia ^{[1
]}

Powell, Ann L. T. ^{[1
]}

Greve, L. Carl ^{[1
]}

Labavitch, John M. ^{[1
]}

机构：

[1] Univ Calif Davis, Dept Plant Sci, Davis, CA 95616 USA

来源：

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY | 2007年 / 55卷 / 10期

关键词：

raspberry; Rubus idaeus; cell wall degradation; pectin; hemicellulose; fruit ripening;

D O I：

10.1021/jf063547r

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

Raspberry fruits were harvested at five developmental stages, from green to red ripe, and the changes in cell wall composition, pectin and hemicellulose solubilization, and depolymerization were analyzed. Fruit softening at intermediate stages of ripening was associated with increased pectin solubilization, which occurred without depolymerization. Arabinose was found to be the most abundant noncellulosic neutral sugar in the cell wall and showed dramatic solubilization late in ripening. No changes in pectin molecular size were observed even at the 100% red stage. Subsequently, as fruit became fully ripe a dramatic depolymerization occurred. In contrast, the hemicellulosic fractions showed no significant changes in content or polymer size during ripening. The paper discusses the sequence of events leading to cell wall disassembly in raspberry fruit.

引用

页码：4119 / 4124

页数：6

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