MicroRNAs: from mechanism to organism

PJ Dexheimer, L Cochella - Frontiers in cell and developmental …, 2020 - frontiersin.org
MicroRNAs (miRNAs) are short, regulatory RNAs that act as post-transcriptional repressors
of gene expression in diverse biological contexts. The emergence of small RNA-mediated …

The origin of RNA interference: Adaptive or neutral evolution?

A Torri, J Jaeger, T Pradeu, MC Saleh - PLoS Biology, 2022 - journals.plos.org
The origin of RNA interference (RNAi) is usually explained by a defense-based hypothesis,
in which RNAi evolved as a defense against transposable elements (TEs) and RNA viruses …

Metagenomic sequencing suggests a diversity of RNA interference-like responses to viruses across multicellular eukaryotes

FM Waldron, GN Stone, DJ Obbard - PLoS Genetics, 2018 - journals.plos.org
RNA interference (RNAi)-related pathways target viruses and transposable element (TE)
transcripts in plants, fungi, and ecdysozoans (nematodes and arthropods), giving protection …

piRNA-guided CRISPR-like immunity in eukaryotes

Y Ophinni, U Palatini, Y Hayashi, NF Parrish - Trends in Immunology, 2019 - cell.com
Eukaryotic genomes contain virus-derived sequences called endogenous virus elements
(EVEs). The majority of EVEs are related to retroviruses, which integrate into the host …

Exploiting somatic piRNAs in Bemisia tabaci enables novel gene silencing through RNA feeding

M Mondal, JK Brown, A Flynt - Life science alliance, 2020 - life-science-alliance.org
RNAi promises to reshape pest control by being nontoxic, biodegradable, and species
specific. However, due to the plastic nature of RNAi, there is a significant variability in …

Single individual structural variant detection uncovers widespread hemizygosity in molluscs

AD Calcino, NJ Kenny… - … Transactions of the …, 2021 - royalsocietypublishing.org
The advent of complete genomic sequencing has opened a window into genomic
phenomena obscured by fragmented assemblies. A good example of these is the existence …

Epigenetics across the evolutionary tree: New paradigms from non‐model animals

KC Sadler - BioEssays, 2023 - Wiley Online Library
All animals have evolved solutions to manage their genomes, enabling the efficient
organization of meters of DNA strands in the nucleus and allowing for nuanced regulation of …

Distal regulation, silencers, and a shared combinatorial syntax are hallmarks of animal embryogenesis

P Cornejo-Páramo, K Roper, SM Degnan… - Genome …, 2022 - genome.cshlp.org
The chromatin environment plays a central role in regulating developmental gene
expression in metazoans. Yet, the ancestral regulatory landscape of metazoan …

Small RNAs in Cnidaria: A review

Y Li, JHL Hui - Evolutionary Applications, 2023 - Wiley Online Library
As fundamental components of RNA silencing, small RNA (sRNA) molecules ranging from
20 to 32 nucleotides in length have been found as potent regulators of gene expression and …

Unravelling the developmental and functional significance of an ancient Argonaute duplication

A Fridrich, V Modepalli, M Lewandowska… - Nature …, 2020 - nature.com
MicroRNAs (miRNAs) base-pair to messenger RNA targets and guide Argonaute proteins to
mediate their silencing. This target regulation is considered crucial for animal physiology …