PIWI-interacting RNAs: small RNAs with big functions

DM Ozata, I Gainetdinov, A Zoch, D O'Carroll… - Nature Reviews …, 2019 - nature.com
In animals, PIWI-interacting RNAs (piRNAs) of 21–35 nucleotides in length silence
transposable elements, regulate gene expression and fight viral infection. piRNAs guide …

[HTML][HTML] Metazoan micrornas

DP Bartel - Cell, 2018 - cell.com
MicroRNAs (miRNAs) are∼ 22 nt RNAs that direct posttranscriptional repression of mRNA
targets in diverse eukaryotic lineages. In humans and other mammals, these small RNAs …

MirGeneDB 2.1: toward a complete sampling of all major animal phyla

B Fromm, E Høye, D Domanska, X Zhong… - Nucleic acids …, 2022 - academic.oup.com
We describe an update of MirGeneDB, the manually curated microRNA gene database.
Adhering to uniform and consistent criteria for microRNA annotation and nomenclature, we …

Nurse cell–derived small RNAs define paternal epigenetic inheritance in Arabidopsis

J Long, J Walker, W She, B Aldridge, H Gao, S Deans… - Science, 2021 - science.org
INTRODUCTION Epigenetic modifications to chromatin, such as the methylation of DNA
cytosines, carry regulatory information across the generations in plants and animals …

Pan-arthropod analysis reveals somatic piRNAs as an ancestral defence against transposable elements

SH Lewis, KA Quarles, Y Yang, M Tanguy… - Nature ecology & …, 2018 - nature.com
In animals, small RNA molecules termed PIWI-interacting RNAs (piRNAs) silence
transposable elements (TEs), protecting the germline from genomic instability and mutation …

The Discovery, Distribution, and Evolution of Viruses Associated with Drosophila melanogaster

CL Webster, FM Waldron, S Robertson, D Crowson… - PLoS …, 2015 - journals.plos.org
Drosophila melanogaster is a valuable invertebrate model for viral infection and antiviral
immunity, and is a focus for studies of insect-virus coevolution. Here we use a metagenomic …

No evidence for extensive horizontal gene transfer in the genome of the tardigrade Hypsibius dujardini

G Koutsovoulos, S Kumar… - Proceedings of the …, 2016 - National Acad Sciences
Tardigrades are meiofaunal ecdysozoans that are key to understanding the origins of
Arthropoda. Many species of Tardigrada can survive extreme conditions through …

Diverse RNA viruses of parasitic nematodes can elicit antibody responses in vertebrate hosts

S Quek, A Hadermann, Y Wu, L De Coninck… - Nature …, 2024 - nature.com
Parasitic nematodes have an intimate, chronic and lifelong exposure to vertebrate tissues.
Here we mined 41 published parasitic nematode transcriptomes from vertebrate hosts and …

A single mechanism of biogenesis, initiated and directed by PIWI proteins, explains piRNA production in most animals

I Gainetdinov, C Colpan, A Arif, K Cecchini, PD Zamore - Molecular cell, 2018 - cell.com
In animals, PIWI-interacting RNAs (piRNAs) guide PIWI proteins to silence transposons and
regulate gene expression. The mechanisms for making piRNAs have been proposed to …

Silencing in sperm cells is directed by RNA movement from the surrounding nurse cell

G Martínez, K Panda, C Köhler, RK Slotkin - Nature plants, 2016 - nature.com
Plant small interfering RNAs (siRNAs) communicate from cell to cell and travel long
distances through the vasculature. However, siRNA movement into germ cells has remained …