Results 91 to 100 of about 14,025 (272)

Burning the Candle at Both Ends: Have Exoribonucleases Driven Divergence of Regulatory RNA Mechanisms in Bacteria?

open access: yesmBio, 2021
Regulatory RNAs have emerged as ubiquitous gene regulators in all bacterial species studied to date. The combination of sequence-specific RNA interactions and malleable RNA structure has allowed regulatory RNA to adopt different mechanisms of gene ...
Daniel G. Mediati   +2 more
doaj   +1 more source

Regulation of tomato fruit ripening [PDF]

open access: yes, 2009
Fruit ripening is a sophisticatedly orchestrated developmental process, unique to plants, that results in major physiological and metabolic changes, ultimately leading to fruit decay and seed dispersal.
Bouzayen, Mondher   +4 more
core   +2 more sources

Structural and biochemical studies of the 5′→3′ exoribonuclease Xrn1 [PDF]

open access: yesNature Structural & Molecular Biology, 2011
The 5'→3' exoribonucleases (XRNs) have important functions in transcription, RNA metabolism and RNA interference. The structure of Rat1 (also known as Xrn2) showed that the two highly conserved regions of XRNs form a single, large domain that defines the active site of the enzyme.
Kehui Xiang   +5 more
openaire   +3 more sources

Structural analysis of mtEXO mitochondrial RNA degradosome reveals tight coupling of nuclease and helicase components

open access: yesNature Communications, 2018
The mitochondrial RNA degradosome (mtEXO) plays an essential role in the regulation of mitochondrial gene expression and is composed of the 3′-to-5′ exoribonuclease Dss1 and the helicase Suv3.
Michal Razew   +12 more
doaj   +1 more source

Remdesivir for the Treatment of COVID-19: A Systematic Review of the Literature [PDF]

open access: yes, 2020
In March 2020, the World Health Organization declared the spread of SARS-CoV-2 a global pandemic. To date, coronavirus disease-2019 (COVID-19) has spread to over 200 countries, leading to over 1.6 million cases and over 99,000 deaths. Given that there is
Aly, Besma   +9 more
core  

A novel role for the 3′-5′ exoribonuclease Dis3L2 in controlling cell proliferation and tissue growth [PDF]

open access: yes, 2016
In a complex organism, cell proliferation and apoptosis need to be precisely controlled in order for tissues to develop correctly. Excessive cell proliferation can lead to diseases such as cancer. We have shown that the exoribonuclease Dis3L2 is required
Benjamin P. Towler   +5 more
core   +2 more sources

MAC5, an RNA-binding protein, protects pri-miRNAs from SERRATE-dependent exoribonuclease activities

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2020
Significance In Arabidopsis, MAC5, a component of the conserved MOS4-associated complex, is required for development and immunity. This study shows that MAC5 interacts with Serrate (SE) and the stem loop of pri-miRNAs, facilitates pri-miRNA processing ...
Shengjun Li   +6 more
semanticscholar   +1 more source

piRNA processing within non‐membrane structures is governed by constituent proteins and their functional motifs

open access: yesThe FEBS Journal, Volume 292, Issue 11, Page 2715-2736, June 2025.
The silencing of transposable elements is mediated by piRNAs through post‐transcriptional and transcriptional regulation. In Drosophila, piRNAs are processed within unique non‐membrane structures: nuage in germline cells and Yb bodies in somatic gonadal cells.
Ritsuko Suyama, Toshie Kai
wiley   +1 more source

A noncoding RNA produced by arthropod-borne flaviviruses inhibits the cellular exoribonuclease XRN1 and alters host mRNA stability [PDF]

open access: yes, 2012
All arthropod-borne flaviviruses generate a short noncoding RNA (sfRNA) from the viral 3′ untranslated region during infection due to stalling of the cellular 5′-to-3′ exonuclease XRN1.
Akira, Shizuo   +6 more
core   +1 more source

The m6A reader protein YTHDC2 interacts with the small ribosomal subunit and the 5′–3′ exoribonuclease XRN1

open access: yesRNA: A publication of the RNA Society, 2018
N6-methyladenosine (m6A) modifications in RNAs play important roles in regulating many different aspects of gene expression. While m6As can have direct effects on the structure, maturation, or translation of mRNAs, such modifications can also influence ...
Jens Kretschmer   +5 more
semanticscholar   +1 more source

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