Epigenetics in Plants of Agronomic Importance: Fundamentals and Applications 2019
DOI: 10.1007/978-3-030-14760-0_11
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Chemical RNA Modifications: The Plant Epitranscriptome

Abstract: RNA post-transcriptional modifications create an additional layer to control mRNA transcription, fate, and expression. Considering that they are nongenetically encoded, can be of reversible nature, and involved in fine-tuning gene expression, the landscape of RNA modifications has been coined the "RNA epigenome" or "epitranscriptome." Our knowledge of the plant epitranscriptome is so far limited to 3′-uridylation and internal m 6 A and m 5 C modifications in Arabidopsis. m 6 A is the most abundant and well-stu… Show more

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Cited by 4 publications
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“…This interaction appears to produce a complex epigenomic instability making unpredictable the consequences of experimental re-methylation and water stress on the genome-wide scale. On one hand, 5-Aza application in seeds triggers widespread changes in DNA methylation in adult leaves, but importantly it likely alters the expression of transcriptional and post-transcriptional regulatory proteins as suggested by the DMRs overlapping the orthologous of Methyltransferase 13, RNA-dependent DNA polymerase and 60S ribosomal protein (Litholdo & Bousquet-Antonelli, 2019; Sáez-Vásquez & Delseny, 2019). Interestingly, 5-Aza promoted the hypermethylation of the Ec-S10188_3 gene, which contained 28 differentially methylated cytosines in the promoter region (Table 2) and encodes a putative disease resistance protein, with high identity to Resistance genes analogs 3 (RGA3) in Theobroma cacao (Sekhwal et al ., 2015).…”
Section: Discussionmentioning
confidence: 99%
“…This interaction appears to produce a complex epigenomic instability making unpredictable the consequences of experimental re-methylation and water stress on the genome-wide scale. On one hand, 5-Aza application in seeds triggers widespread changes in DNA methylation in adult leaves, but importantly it likely alters the expression of transcriptional and post-transcriptional regulatory proteins as suggested by the DMRs overlapping the orthologous of Methyltransferase 13, RNA-dependent DNA polymerase and 60S ribosomal protein (Litholdo & Bousquet-Antonelli, 2019; Sáez-Vásquez & Delseny, 2019). Interestingly, 5-Aza promoted the hypermethylation of the Ec-S10188_3 gene, which contained 28 differentially methylated cytosines in the promoter region (Table 2) and encodes a putative disease resistance protein, with high identity to Resistance genes analogs 3 (RGA3) in Theobroma cacao (Sekhwal et al ., 2015).…”
Section: Discussionmentioning
confidence: 99%
“…RNA modifications are an important regulator of numerous cell processes [ 73 , 74 ]. Among the diverse modifications found for mRNAs, N6-methyladenosine (m 6 A) is the most prevalent modification in both plants and animals [ 75 ].…”
Section: Resultsmentioning
confidence: 99%