Structural insights into piRNA biogenesis

J Zhang, S Chen, K Liu - Biochimica et Biophysica Acta (BBA)-Gene …, 2022 - Elsevier
Discovered two decades ago, Piwi-interacting RNAs (piRNAs) play critical roles in gene
regulation, transposon element repression, and antiviral defense. Dysregulation of piRNAs …

FUS phase separation is modulated by a molecular chaperone and methylation of arginine cation-π interactions

S Qamar, GZ Wang, SJ Randle, FS Ruggeri, JA Varela… - Cell, 2018 - cell.com
Reversible phase separation underpins the role of FUS in ribonucleoprotein granules and
other membrane-free organelles and is, in part, driven by the intrinsically disordered low …

Mitochondrial regulation in spermatogenesis

Z Zhang, J Miao, Y Wang - Reproduction, 2022 - rep.bioscientifica.com
The classic roles of mitochondria in energy production, metabolism, and apoptosis have
been well defined. However, a growing body of evidence suggests that mitochondria are …

The landscape of RNA binding proteins in mammalian spermatogenesis

Y Li, Y Wang, YQ Tan, Q Yue, Y Guo, R Yan, L Meng… - Science, 2024 - science.org
Despite continuous expansion of the RNA binding protein (RBP) world, there is a lack of
systematic understanding of RBPs in the mammalian testis, which harbors one of the most …

piRNA loading triggers MIWI translocation from the intermitochondrial cement to chromatoid body during mouse spermatogenesis

H Wei, J Gao, DH Lin, R Geng, J Liao… - Nature …, 2024 - nature.com
The intermitochondrial cement (IMC) and chromatoid body (CB) are posited as central sites
for piRNA activity in mice, with MIWI initially assembling in the IMC for piRNA processing …

A tudor domain protein, SIMR-1, promotes siRNA production at piRNA-targeted mRNAs in C. elegans

KI Manage, AK Rogers, DC Wallis, CJ Uebel… - Elife, 2020 - elifesciences.org
piRNAs play a critical role in the regulation of transposons and other germline genes. In
Caenorhabditis elegans, regulation of piRNA target genes is mediated by the mutator …

MIWI N-terminal RG motif promotes efficient pachytene piRNA production and spermatogenesis independent of LINE1 transposon silencing

C Wei, J Jing, X Yan, JM Mann, R Geng, H Xie… - PLoS …, 2023 - journals.plos.org
PIWI proteins and their associated piRNAs act to silence transposons and promote
gametogenesis. Murine PIWI proteins MIWI, MILI, and MIWI2 have multiple arginine and …

[HTML][HTML] The physiological and pathological biophysics of phase separation and gelation of RNA binding proteins in amyotrophic lateral sclerosis and fronto-temporal …

P St George-Hyslop, JQ Lin, A Miyashita, EC Phillips… - Brain research, 2018 - Elsevier
Many RNA binding proteins, including FUS, contain moderately repetitive, low complexity,
intrinsically disordered domains. These sequence motifs have recently been found to …

Effectors and effects of arginine methylation

Y Wang, MT Bedford - Biochemical Society Transactions, 2023 - portlandpress.com
Arginine methylation is a ubiquitous and relatively stable post-translational modification
(PTM) that occurs in three types: monomethylarginine (MMA), asymmetric dimethylarginine …

Mitochondrial membrane-based initial separation of MIWI and MILI functions during pachytene piRNA biogenesis

D Ding, J Liu, K Dong, AF Melnick… - Nucleic acids …, 2019 - academic.oup.com
PIWI-interacting RNAs (piRNAs) engage PIWI proteins to silence transposons and promote
germ cell development in animals. In diverse species, piRNA biogenesis occurs near the …