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The origin and effect of small RNA signaling in plants

Archive ouverte | Parent, Jean Sebastien | CCSD

Given their sessile condition, land plants need to integrate environmental cues rapidly and send signal throughout the organism to modify their metabolism accordingly. Small RNA (sRNA) molecules are among the messengers that plant...

Gene silencing in plants: A diversity of pathways

Archive ouverte | de Alba, Angel Emilio Martinez | CCSD

Eukaryotic organisms have evolved a variety of gene silencing pathways in which small RNAs, 20- to 30-nucleotides in length, repress the expression of sequence homologous genes at the transcriptional or post-transcriptional levels...

The miRNA pathway limits AGO1 availability during siRNA-mediated PTGS defense against exogenous RNA

Archive ouverte | Martinez de Alba, Angel | CCSD

In plants, most microRNAs (miRNAs) and several endogenous small interfering RNAs (siRNAs) bind to ARGONAUTE1 (AGO1) to regulate the expression of endogenous genes through post-transcriptional gene silencing (PTGS). AGO1 also parti...

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