STRUCTURE OF PLANT SEED OIL BODIES

被引：61
|
作者：
HUANG, AHC
机构：
[1] Department of Botany and Plant Sciences, University of California, Riverside
来源：
CURRENT OPINION IN STRUCTURAL BIOLOGY | 1994年 / 4卷 / 04期
关键词：
D O I：
10.1016/S0959-440X(94)90210-0
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
Plant seeds store triacylglycerols in intracellular oil bodies as food reserves for germination. Each spherical oil body has a diameter of about 0.5-2.0 mu m, and consists of a triacylglycerol matrix surrounded by a layer of phospholipids embedded with abundant and unique proteins called oleosins. Oleosins have special secondary structures which interact with the surface phospholipid layer and the matrix triacylglycerols. They stabilize the oil bodies and possibly serve as recognition signals for lipase binding during seed germination.
引用
收藏
页码：493 / 498
页数：6
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