Identification of chiro-inositol-containing phospholipids and changes in their metabolism upon salt stress in soybean seedlings

被引:8
|
作者
Hong, YG
Pak, Y [1 ]
机构
[1] Gyeongsang Natl Univ, Dept Biochem, Plant Mol Biol & Biotechnol Res Ctr, Chinju 660701, South Korea
[2] Gyeongsang Natl Univ, Cardiovasc Res Inst, Chinju 660701, South Korea
关键词
Glycine max L-cv Williams; Leguminosae; chiro-inositol; chiro-inositol phospholipid; salt stress;
D O I
10.1016/S0031-9422(99)00127-2
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
We report here the presence of chiro-inositol-containing phospholipids in addition to the common myo-inositol-containing phospholipids in soybean seedlings. Using sequential TLC and HPTLC, eleven inositol phospholipids were isolated from soybean seedlings and analyzed after 6 N HCl hydrolysis for their inositol and fatty acid compositions by anion exchange Dionex HPLC and CC, respectively. Upon analysis, we have identified three species of chiro-inositol-containing phospholipids and further observed that the chiro-inositol-containing phospholipids and their fatty acid composition changed in response to 1 and 24 h 150 mM NaCl treatment compared to the control (no NaCl treatment). In addition, we found the different tissue distribution and metabolic changes of the chiro-inositol-containing phospholipids in apical, elongating and mature parts of hypocotyls and roots of soybean seedlings upon salt stress. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:861 / 866
页数:6
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