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27 paź 2021 · Transposable elements (TEs) in plants produce 24-nucleotide small interfering RNAs (siRNAs) through a process mediated by RNA polymerase IV (Pol IV), RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) and...
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Here, we review recent findings about plant small RNAs and discuss our current understanding of their biogenesis mechanisms, targets, modes of action, mobility, and functions in Arabidopsis and other plant species, including economically important crops.
1 mar 2024 · In plants, two atypical DNA-dependent RNA polymerases, RNA polymerase IV (Pol IV) and Pol V, and an RNA-DEPENDENT RNA POLYMERASE 2 (RDR2) together produce noncoding RNAs (ncRNAs) to guide the plant-specific RNA-directed DNA methylation (RdDM).
16 lis 2018 · In animals, PIWI-interacting RNAs (piRNAs) of 21–35 nucleotides in length silence transposable elements, regulate gene expression and fight viral infection. piRNAs guide PIWI proteins to...
4 lis 2015 · Key Points. Functional diversification and expansion of silencing pathways in plants relies on duplication of DICER-LIKE proteins (DCLs) and ARGONAUTE proteins (AGOs). The main small-RNA...
15 lip 2023 · This review explores the evolution, structure, and functions in transcription of nucleus-localized DNA-dependent RNA polymerases in plants.
23 sty 2015 · In Arabidopsis, a short promoter region of COOLAIR, which produces the NAT of the FLOWERING LOCUS C (FLC) transcript, can be reconfigured by a lncRNA from a double-stranded DNA to a RNA–DNA hybrid and a single-stranded DNA called ‘R-loop’ (Sun et al., 2013; Wahba and Koshland, 2013).
