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本文引用的文献

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Induction of dormancy during seed development by endogenous abscisic acid: studies on abscisic acid deficient genotypes of Arabidopsis thaliana (L.) Heynh.通过内源脱落酸诱导种子发育中的休眠：拟南芥（L.）Heynh. 脱落酸缺陷型基因型的研究。
Planta. 1983 Mar;157(2):158-65. doi: 10.1007/BF00393650.
2
Compartmental distribution and redistribution of abscisic acid in intact leaves : II. Model analysis.隔室分布和脱落酸在完整叶片中的再分配：II. 模型分析。
Planta. 1992 Apr;187(1):26-36. doi: 10.1007/BF00201620.
3
Seed after-ripening is a discrete developmental pathway associated with specific gene networks in Arabidopsis.种子后熟是拟南芥中与特定基因网络相关的离散发育途径。
Plant J. 2008 Jan;53(2):214-24. doi: 10.1111/j.1365-313X.2007.03331.x. Epub 2007 Nov 19.
4
Seed dormancy release in Arabidopsis Cvi by dry after-ripening, low temperature, nitrate and light shows common quantitative patterns of gene expression directed by environmentally specific sensing.拟南芥Cvi中通过干后熟、低温、硝酸盐和光照实现的种子休眠解除表现出由环境特异性感知所引导的常见基因表达定量模式。
Plant J. 2007 Jul;51(1):60-78. doi: 10.1111/j.1365-313X.2007.03118.x. Epub 2007 Apr 25.
5
Regulation of hormone metabolism in Arabidopsis seeds: phytochrome regulation of abscisic acid metabolism and abscisic acid regulation of gibberellin metabolism.拟南芥种子中激素代谢的调控：脱落酸代谢的光敏色素调控以及赤霉素代谢的脱落酸调控。
Plant J. 2006 Nov;48(3):354-66. doi: 10.1111/j.1365-313X.2006.02881.x. Epub 2006 Sep 29.
6
Barley (Hordeum vulgare L.).大麦（大麦属）。
Methods Mol Biol. 2006;343:171-83. doi: 10.1385/1-59745-130-4:171.
7
Expression of ABA 8'-hydroxylases in relation to leaf water relations and seed development in bean.脱落酸8'-羟化酶在菜豆叶片水分关系及种子发育中的表达
Plant J. 2006 Sep;47(5):675-86. doi: 10.1111/j.1365-313X.2006.02815.x. Epub 2006 Jul 19.
8
Field studies on the regulation of abscisic acid content and germinability during grain development of barley: molecular and chemical analysis of pre-harvest sprouting.大麦籽粒发育过程中脱落酸含量调控及发芽能力的田间研究：收获前发芽的分子与化学分析
J Exp Bot. 2006;57(10):2421-34. doi: 10.1093/jxb/erj215. Epub 2006 Jun 23.
9
Light activates the degradation of PIL5 protein to promote seed germination through gibberellin in Arabidopsis.在拟南芥中，光通过赤霉素激活PIL5蛋白的降解以促进种子萌发。
Plant J. 2006 Jul;47(1):124-39. doi: 10.1111/j.1365-313X.2006.02773.x. Epub 2006 Jun 1.
10
ABA Levels and Sensitivity in Developing Wheat Embryos of Sprouting Resistant and Susceptible Cultivars.ABA 水平和发芽抗性与敏感性品种发育小麦胚中的敏感性。
Plant Physiol. 1987 May;84(1):61-6. doi: 10.1104/pp.84.1.61.

蓝光和后熟对大麦休眠的调控：对脱落酸和赤霉素代谢的影响。

Regulation of dormancy in barley by blue light and after-ripening: effects on abscisic acid and gibberellin metabolism.

作者信息

Gubler Frank, Hughes Trijntje, Waterhouse Peter, Jacobsen John

机构信息

Plant Industry, Commonwealth Scientific and Industrial Research Organisation, Canberra, Australian Capital Territory 2601, Australia.

出版信息

Plant Physiol. 2008 Jun;147(2):886-96. doi: 10.1104/pp.107.115469. Epub 2008 Apr 11.

DOI:10.1104/pp.107.115469
PMID:18408047
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2409010/
Abstract

White light strongly promotes dormancy in freshly harvested cereal grains, whereas dark and after-ripening have the opposite effect. We have analyzed the interaction of light and after-ripening on abscisic acid (ABA) and gibberellin (GA) metabolism genes and dormancy in barley (Hordeum vulgare 'Betzes'). Analysis of gene expression in imbibed barley grains shows that different ABA metabolism genes are targeted by white light and after-ripening. Of the genes examined, white light promotes the expression of an ABA biosynthetic gene, HvNCED1, in embryos. Consistent with this result, enzyme-linked immunosorbent assays show that dormant grains imbibed under white light have higher embryo ABA content than grains imbibed in the dark. After-ripening has no effect on expression of ABA biosynthesis genes, but promotes expression of an ABA catabolism gene (HvABA8'OH1), a GA biosynthetic gene (HvGA3ox2), and a GA catabolic gene (HvGA2ox3) following imbibition. Blue light mimics the effects of white light on germination, ABA levels, and expression of GA and ABA metabolism genes. Red and far-red light have no effect on germination, ABA levels, or HvNCED1. RNA interference experiments in transgenic barley plants support a role of HvABA8'OH1 in dormancy release. Reduced HvABA8'OH1 expression in transgenic HvABA8'OH1 RNAi grains results in higher levels of ABA and increased dormancy compared to nontransgenic grains.

摘要

白光强烈促进新收获谷物种子的休眠，而黑暗和后熟则具有相反的作用。我们分析了光照和后熟对大麦（Hordeum vulgare 'Betzes'）中脱落酸（ABA）和赤霉素（GA）代谢基因以及休眠的相互作用。对吸胀大麦籽粒的基因表达分析表明，不同的ABA代谢基因受到白光和后熟的靶向作用。在所检测的基因中，白光促进胚胎中一个ABA生物合成基因HvNCED1的表达。与这一结果一致，酶联免疫吸附测定表明，在白光下吸胀的休眠籽粒比在黑暗中吸胀的籽粒具有更高的胚胎ABA含量。后熟对ABA生物合成基因的表达没有影响，但在吸胀后促进一个ABA分解代谢基因（HvABA8'OH1）、一个GA生物合成基因（HvGA3ox2）和一个GA分解代谢基因（HvGA2ox3）的表达。蓝光模拟白光对发芽、ABA水平以及GA和ABA代谢基因表达的影响。红光和远红光对发芽、ABA水平或HvNCED1没有影响。转基因大麦植株的RNA干扰实验支持HvABA8'OH1在休眠解除中的作用。与非转基因籽粒相比，转基因HvABA8'OH1 RNAi籽粒中HvABA8'OH1表达降低导致ABA水平升高和休眠增加。