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首页> 外文期刊>Acta Physiologiae Plantarum >Chromatin architecture and DNA methylation-associated epigenetic changes in ethephon-primed sprouts of soybean [Glycine max (L.) Merrill]
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Chromatin architecture and DNA methylation-associated epigenetic changes in ethephon-primed sprouts of soybean [Glycine max (L.) Merrill]

机译：染色质建筑和DNA甲基化相关的ePigeNenceCency在大豆灌注芽中的变化[Glycine Max（L.）Merrill]

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摘要

The simplest structure phytohormone ethylene (C2H4) regulates the important aspect of plant growth and development throughout its life cycle. So far, no systemic studies were performed to determine the ethylene effect on seed germination-associated epigenetic phenomenon. Henceforth, a laboratory investigation was performed to explore the epigenetic impact of ethephon (ET) priming on soybean [Glycine max (L.) Merrill] germination. Our findings demonstrated that ET (250ppm) induced soybean germination significantly: (1) altered the chromatin architecture; (2) reduced the global DNA methylation and 5-methylcytosine levels; (3) reduced the DNA methyltransferases (DNMTs) activity; (4) decreased and increased the transcript levels of DNA methylases (viz. GmMET1, GmDRM1 and GmCMT3) and demethylase (viz. GmROS1), respectively; and (5) enhanced the endogenous levels of DNMT inhibitor, genistein. Based on these observations, a novel epigenetic impact of ethylene in seed germination process has been proposed.
机译：最简单的结构植物激素素乙烯（C2H4）在其生命周期中调节植物生长和发展的重要方面。到目前为止，未进行全身研究以确定乙烯对种子萌发相关的表观遗传现象的影响。此后，进行了实验室调查以探讨乙烯（et）灌注对大豆施用的表观遗传影响[甘氨酸最大（L.）Merrill]萌发。我们的研究结果表明，ET（250ppm）诱导大豆萌发显着：（1）改变了染色质架构; （2）降低全球DNA甲基化和5-甲基胞嘧啶水平; （3）降低DNA甲基转移酶（DNMTS）活性; （4）降低并增加了DNA甲基酶的转录水平（viz。Gmmet1，gmdrm1和gmcmt3）和去甲基酶（viz。gmros1）。 （5）增强了DNMT抑制剂的内源水平，Genistein。基于这些观察结果，提出了一种新的乙烯在种子萌发过程中的表观遗传影响。

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