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Abscisic acid promotes accumulation of toxin ODAP in relation to free spermine level in grass pea seedlings (Lathyrus sativus L.)
Xiong, YC; Xing GM(邢更妹); Xing, GM; Li, FM; Wang, SM; Fan, XW; Li, ZX; Wang, YF
2006
发表期刊PLANT PHYSIOLOGY AND BIOCHEMISTRY
卷号44期号:2-3页码:#REF!
通讯作者Wang, YF (reprint author), Lanzhou Univ, MOE Key Lab Arid & Grassland Ecol, Tianshui Rd, Lanzhou 730000, Peoples R China.
摘要Interrelationship among abscisic acid (ABA) content, accumulation of free polyamines and biosyntliesis of beta-N-oxalyl-L-alpha,beta-diaminopropionic acid (ODAP) was studied in grass pea (Lathyrus sativus L.) seedlings tinder drought stress induced by 10% polyethylene glycol (PEG6000). Increase of ABA content occurred prior to that of ODAP and polyamine contents, and was found significantly positive correlation between ABA content and ODAP content. Addition of exogenous ABA increased ODAP content in leaves. Oil the other hand. pretreatment with a-difluoromethylarginine (DFMA), a polyamine biosynthesis inhibitor, significantly suppressed the accumulation of free putrescine (Put), free spermidine (Spd) and free spermine (Spin), which in turn inhibited biosynthesis of ODAP in well-watered leaves. Meanwhile, addition of exogenous Put alleviated DFMA-induced inhibition oil the biosynthesis of Put and Spd, but did not affect the biosynthesis of Split and ODAP in well-watered leaves. Same result was also achieved in drought-stressed leaves. Increasing, accumulation of ODAP was significantly correlated with increasing Spm content (R = 0.7957**) but not with that of Spd and Put. Therefore. it call be argued that ABA stimulated the biosynthesis of ODAP simultaneously with increasing the level of free Spin under drought stress condition. (c) 2006 Elsevier SAS. All rights reserved.
文章类型Article
关键词grass pea beta-N-oxalyl-L-alpha,beta-diaminopropionic acid (ODAP) polyamines drought stress, abscisic acid (ABA)
学科领域Plant Sciences
DOI10.1016/j.plaphy.2006.03.002
收录类别SCI
WOS类目Plant Sciences
WOS记录号WOS:000238946000009
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/226599
专题多学科研究中心
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GB/T 7714
Xiong, YC,Xing GM,Xing, GM,et al. Abscisic acid promotes accumulation of toxin ODAP in relation to free spermine level in grass pea seedlings (Lathyrus sativus L.)[J]. PLANT PHYSIOLOGY AND BIOCHEMISTRY,2006,44(2-3):#REF!.
APA Xiong, YC.,邢更妹.,Xing, GM.,Li, FM.,Wang, SM.,...&Wang, YF.(2006).Abscisic acid promotes accumulation of toxin ODAP in relation to free spermine level in grass pea seedlings (Lathyrus sativus L.).PLANT PHYSIOLOGY AND BIOCHEMISTRY,44(2-3),#REF!.
MLA Xiong, YC,et al."Abscisic acid promotes accumulation of toxin ODAP in relation to free spermine level in grass pea seedlings (Lathyrus sativus L.)".PLANT PHYSIOLOGY AND BIOCHEMISTRY 44.2-3(2006):#REF!.
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