Global histone H3 hyperacetylation-associated epigenetic changes induced in ethephon-primed sprouts of soybean [ Glycine max (L.) Merrill]
作者： Raman Manoharlal , G. V. S. Saiprasad
DOI: 10.1007/S11738-020-3015-6
关键词:
摘要: The concept of plant growth regulators (PGRs) in modulating the physiological processes through epigenetic modification(s) is emerging. present work aims to elucidate histone (de)acetylation-associated changes ethylene (ET)-primed sprouts soybean [Glycine max (L.) Merrill]. Our results demonstrated that ethephon (donor source ET) priming (ETp) significantly enhanced the: (1) germination rate, (2) global H3 (H3ac) and lysine 9 (H3K9ac) acetylation levels, (3) acetyltransferases activity (concomitant with reduced deacetylases activity), (4) cellular acetyl-CoA pool (5) de novo RNA synthesis. As a gene-specific case study, ETp resulted relative starch content, concomitant an mRNA accumulation, transcriptional rate proximal promoter H3K9ac levels α-amylase 1 (GmαAMY1). Taken together, proposed role ET as ‘histone-code’ modulator could provide novel insight on PGR-induced re-programming signifies broader scope for future studies other agronomical important crops.
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