[1]李晓丹,吴刚,武玉花,等.大豆种子发育过程中脂肪酸积累模式研究[J].大豆科学,2007,26(04):506-510.[doi:10.3969/j.issn.1000-9841.2007.04.011]
　LI Xiao-dan,WU Gang,WU Yu-hua,et al.THE ACCUMULATION PATTERN OF FATTY ACIDS DURING THE DEVELOPMENT OF SOYBEAN SEEDS[J].Soybean Science,2007,26(04):506-510.[doi:10.3969/j.issn.1000-9841.2007.04.011]
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大豆种子发育过程中脂肪酸积累模式研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第26卷 期数: 2007年04期 页码: 506-510 栏目: 出版日期: 2007-08-25
Title:
THE ACCUMULATION PATTERN OF FATTY ACIDS DURING THE DEVELOPMENT OF SOYBEAN SEEDS
文章编号:
1000-9841(2007)04-00506-05
作者:
李晓丹; 吴刚; 武玉花; 肖玲; 卢长明
中国农业科学院油料作物研究所，基因工程与转基因安全研究室,武汉 430062
Author(s):
LI Xiao-dan; WU Gang; WU Yu-hua; XIAO Ling; LU Chang-ming
Department of Genetic Engineering and GMO Biosafety/Oil Crops Research Institute，CAAS，Wuhan 430062
关键词:
大豆; 种子发育; 脂肪酸; 主成分分析; 酶
Keywords:
Soybean; Seed developing; Fatty Acids; Principal component analysis; Enzyme
分类号:
S565.1
DOI:
10.3969/j.issn.1000-9841.2007.04.011
文献标志码:
A
摘要:
对夏大豆种子发育过程中脂肪酸的累积过程进行了研究。研究表明，大豆种子发育早期有6种脂肪酸，成熟期减少为5种。成熟期的种子亚油酸和油酸占全部脂肪酸的80%以上，棕榈油酸发育中途消失。大豆种子脂肪酸总量呈升－降－升的Z字型变化模式。此外，本文通过对脂肪酸组分的相关性及主成份分析，对大豆种子发育过程中脂肪酸的积累模式进行了探讨，发现大豆种子发育过程中油酸与亚油酸呈同步积累，高度正相关，在脂肪酸组成中具支配地位，推测SAD和FAD2两种酶在决定大豆含油量方面可能具有决定性作用。
Abstract:
In this study，cumulative process of fatty acids in soybean cultivar Zhongdou 8 was analyzed during seed development.The results indicated that there were six fatty acid components at the early stage of soybean seeds developing while five at the mature stage.Linoleic acid and oleic acid accounted for 80% of the total fatty acids in mature seeds.C16∶1 disappeared in the halfway of seed growth.Z-shape was observed when studying the change pattern of the total fatty acids amounts during seed development.During soybean seed development，oleic acid and linoleic acid were accumulated simultaneously and highly positive correlation was found.It is considered that oleic acid and linoleic acid play a dominant role in fatty acid compositions in soybean seeds，so it presumed SAD and FAD2 maybe play a decisive role in the oil content of soybean.

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备注/Memo

基金项目：国家自然科学基金 (30471099)

作者简介：李晓丹(1977－)，女，博士研究生，从事基因工程与转基因安全研究。E-mail: lxiaodan@163.com
通讯作者：卢长明，E-mail: cmlu@oilcrops.cn.

更新日期/Last Update: 2014-10-20