Flipons and small RNAs accentuate the asymmetries of pervasive transcription by the reset and sequence-specific microcoding of promoter conformation

A Herbert - Journal of Biological Chemistry, 2023 - ASBMB
The role of alternate DNA conformations such as Z-DNA in the regulation of transcription is
currently underappreciated. These structures are encoded by sequences called flipons …

A combinatorial approach to uncover an additional Integrator subunit

SR Offley, MM Pfleiderer, A Zucco, A Fraudeau… - Cell reports, 2023 - cell.com
Summary RNA polymerase II (RNAPII) controls expression of all protein-coding genes and
most noncoding loci in higher eukaryotes. Calibrating RNAPII activity requires an assortment …

Structural basis of Integrator-dependent RNA polymerase II termination

I Fianu, M Ochmann, JL Walshe, O Dybkov, JN Cruz… - Nature, 2024 - nature.com
The Integrator complex can terminate RNA polymerase II (Pol II) in the promoter-proximal
region of genes. Previous work has shed light on how Integrator binds to the paused …

Structural basis of the Integrator complex assembly and association with transcription factors

M Razew, A Fraudeau, MM Pfleiderer, R Linares… - Molecular Cell, 2024 - cell.com
Integrator is a multi-subunit protein complex responsible for premature transcription
termination of coding and non-coding RNAs. This is achieved via two enzymatic activities …

Spliceosomal snRNAs, the Essential Players in pre‐mRNA Processing in Eukaryotic Nucleus: From Biogenesis to Functions and Spatiotemporal Characteristics

Y Su, J Wu, W Chen, J Shan, D Chen, G Zhu… - Advanced …, 2024 - Wiley Online Library
Spliceosomal small nuclear RNAs (snRNAs) are a fundamental class of non‐coding small
RNAs abundant in the nucleoplasm of eukaryotic cells, playing a crucial role in splicing …

Genome Assembly of a Relict Arabian Species of Daphnia OF Müller (Crustacea: Cladocera) Adapted to the Desert Life

W Hamza, KM Hazzouri, N Sudalaimuthuasari… - International journal of …, 2023 - mdpi.com
The water flea Daphnia OF Müller 1776 (Crustacea: Cladocera) is an important model of
recent evolutionary biology. Here, we report a complete genome of Daphnia (Ctenodaphnia) …

IntS6 and the Integrator phosphatase module tune the efficiency of select premature transcription termination events

R Fujiwara, SN Zhai, D Liang, AP Shah, M Tracey… - Molecular Cell, 2023 - cell.com
The metazoan-specific Integrator complex catalyzes 3′ end processing of small nuclear
RNAs (snRNAs) and premature termination that attenuates the transcription of many protein …

Mutations in the non-coding RNU4ATAC gene affect the homeostasis and function of the Integrator complex

F Almentina Ramos Shidi, A Cologne… - Nucleic Acids …, 2023 - academic.oup.com
Various genetic diseases associated with microcephaly and developmental defects are due
to pathogenic variants in the U4atac small nuclear RNA (snRNA), a component of the minor …

Automated profiling of gene function during embryonic development

RA Green, RN Khaliullin, Z Zhao, SD Ochoa… - Cell, 2024 - cell.com
Systematic functional profiling of the gene set that directs embryonic development is an
important challenge. To tackle this challenge, we used 4D imaging of C. elegans …

Integrator complex subunit 6 promotes hepatocellular steatosis via β-catenin-PPARγ axis

M Shiozaki, K Kanno, S Yonezawa, Y Otani… - … et Biophysica Acta (BBA …, 2024 - Elsevier
Hepatic adipogenesis has common mechanisms with adipocyte differentiation such as
PPARγ involvement and the induction of adipose tissue-specific molecules. A previous …