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Methyltransferase that adds a 2'-O-methyl group at the 3'-end of piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. Zusätzlich bieten wir Ihnen HEN1 Methyltransferase Homolog 1 (Arabidopsis) Proteine (10) und viele weitere Produktgruppen zu diesem Protein an.
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DNA damage and a catastrophic deregulation of the haploid germ cell gene expression. Collectively these results define a critical role for HENMT1 and piRNAs in the maintenance of TE repression in adult germ cells and setting the spermatogenic program.
we show HESO1 may also act redundantly with URT1 in miRNA uridylation when HEN1 is fully competent
Light-activated HEN1 expression depended on the photoreceptors phytochrome A (phyA), phyB, cryptochrome 1 (cry1 (zeige CRY1 Antikörper)), and cry2 (zeige CRY2 Antikörper) and key transcriptional regulators ELONGATED HYPOCOTYL5 (HY5) and HY5-HOMOLOG.
Data suggest a mechanism of plant miRNA maturation which involves binding of the HEN1 methyltransferase to the DICER-LIKE 1 ribonuclease DCL1 (zeige CD302 Antikörper)*RNA-binding protein HYL1 (zeige EPHX1 Antikörper)*miRNA complex.
Data indicate that the ago1 (zeige EIF2C1 Antikörper) mutation in hen1 suppressed micriRNA 3' modifications.
AGO1 (zeige EIF2C1 Antikörper), HYL1 (zeige EPHX1 Antikörper), and HEN1 function in proximal-distal and vascular patterning of leaves.
AGO2 (zeige EIF2C2 Antikörper) and HEN1 participate in the DCL2-mediated antiviral defense to ensure the survival of Turnip crinkle virus-infected plants at high temperature.
Motif mapping analysis revealed that the amino acids located between positions 139 and 320 of Zucchini yellow mosaic virus HC-Pro were associated with Arabidopsis HEN1 interaction.
A mutation in RNA-dependent RNA polymerase 2 rescued the defects in miRNA methylation of hen1-2, revealing a previously unsuspected, negative influence of siRNAs on HEN1-mediated miRNA methylation.
Kinetic parameters with natural RNA substrates show that HEN1 is highly catalytically efficient in the absence of supplementary proteins. The enzyme modifies individual strands in succession leading to complete methylation of an RNA duplex.
HEN1 is a miRNA methyltransferase that adds a methyl group to the 3'-most nucleotide of miRNAs as well as siRNAs from sense transgenes, hairpin transgenes, and transposons or repeat sequences, and a new class of siRNAs known as trans-acting siRNAs.
Methyltransferase that adds a 2'-O-methyl group at the 3'-end of piRNAs, a class of 24 to 30 nucleotide RNAs that are generated by a Dicer-independent mechanism and are primarily derived from transposons and other repeated sequence elements. This probably protects the 3'-end of piRNAs from uridylation activity and subsequent degradation. Stabilization of piRNAs is essential for gametogenesis (By similarity).
small RNA 2'-O-methyltransferase
, Small RNA 2'-O-methyltransferase