Articles tagged with Argonaute Proteins
Researchers have uncovered the structural basis of Argonaute assembly, revealing that chaperone proteins hold it in an open conformation allowing miRNA loading. The study also found that RNA plays a key role in guiding Argonaute folding.
A team of scientists has found that Dicer, an ancient protein, plays a vital role in resolving conflicts between transcription and replication processes in the genome. Without Dicer, T-R collisions lead to DNA damage, mutations, and cancer. The study highlights the importance of Dicer in maintaining genome stability.
A new study reveals that AGO's N-terminal extension interacts with PRMT5 to catalyze arginine dimethylation, affecting RNA-guided mechanisms. This process fine-tunes gene regulation in plants, impacting development and stress responses.
Researchers detail structure and mechanism of short Argonaute protein, sparking hopes for therapeutic applications. The discovery may lead to engineering proteins that can detect threats or trigger cell death in healthy cells.
A team led by Dr. Feng Wang found that Argonaute 4 binds to and retains snippets of ribonucleic acid molecules guiding the chemical inactivation of genes with matching sequences, playing a crucial role in gene silencing through DNA methylation. The retained RNA fragments help tether AGO4-RNA complexes to corresponding DNA sequences, bo...
Researchers at Cold Spring Harbor Laboratory have made a breakthrough in understanding how the RNAi process keeps cells healthy. They discovered that the workhorse protein Argonaute (Ago) uses phosphorylation to break its grip on mRNA targets, allowing it to repress other proteins.
Scientists discover that small RNAs recruit RNA Polymerase V to initiate DNA methylation, enabling crop breeders to avoid silencing from the start. This finding has substantial implications for reducing the cost and effort of producing transgenic crops.
Researchers at the University of Warwick have identified two argonaute-like proteins that protect plant fertility from stress, enabling plants to maintain male fertility and survival. This discovery is crucial for safeguarding future crop production under unpredictable climatic conditions.
Researchers discovered a new group of heat-resistant proteins called Hero proteins, which can protect other proteins from clumping and aggregation. The Hero proteins have unusual shapes and abilities to prevent protein instability and promote longevity, extending the life span of fruit flies by 30 percent.
Researchers at Mass General Hospital identified Argonaute 4 as a key protein protecting cells against viral infections. Boosting levels of AGO4 could provide protection against multiple viruses, and the study aims to understand how the immune system works to create treatments that target various viruses.
Researchers have discovered a new role for Argonaute proteins in the nucleus, where they bind to enhancer regions on DNA to regulate gene expression. This finding adds to our understanding of the RNA interference pathway, which plays a crucial role in silencing specific genes.
A team of scientists at the University of Freiburg has found that the concentration of Argonaute proteins plays a central role in regulating the balance between stem cells and differentiated cells in plants. This balance is crucial for plant development, growth, and adaptation to environmental changes.
Researchers at UC Riverside have identified a regulatory genetic mechanism in plants that enables them to fight bacterial infections. The Argonaute protein is controlled by post-translational modification during bacterial infection, allowing plants to regulate their immune response.
Researchers discover FUS plays a crucial role in the microRNA-mediated gene silencing system, which regulates cellular activity. Disruption of this system may contribute to neurodegenerative diseases like ALS and FTD. The study suggests that FUS facilitates guiding and targeting of messenger-RNAs by microRNAs.
Researchers at KU Leuven discovered that humans no longer have the Argonaute proteins that help insects and plants fight viruses. This loss explains why RNAi is less effective in humans than in insects.
Researchers at Cold Spring Harbor Laboratory discovered critical differences between human Argonaute proteins, including a single amino acid change in hAgo1 that enables it to act as a slicer. The study highlights the importance of protein regions beyond the active site in determining activity.
Researchers at Scripps Research Institute discovered how to control natural gene silencing processes, leading to a powerful new class of drugs against viral infections, cancers and diseases. The study found that guide RNAs can be designed to destabilize or stabilize the miRNA-Argonaute complex.
Researchers have defined and analyzed the crystal structure of a yeast Argonaute protein bound to RNA, shedding light on the RNA interference pathway that silences gene expression. The study reveals a four-component active site, resolving a longstanding mystery in the field.
Researchers at Cold Spring Harbor Laboratory have solved the atomic structure of a human protein bound to a microRNA guide, revealing its biological mechanism of action. The discovery could aid in understanding gene function and advancing RNAi as a therapeutic strategy.
Researchers have determined the three-dimensional atomic structure of Argonaute2, a key 'gene silencer' protein involved in regulating cell activities. This discovery paves the way for understanding RNA-silencing and harnessing it to treat diseases by designing better therapeutic guide RNAs.
Researchers may be able to induce apomixis in sexually reproducing plants, a process that produces genetically identical seeds without meiosis. This breakthrough has significant implications for crop improvement and could reduce the need for expensive seed purchases.
Johns Hopkins researchers have discovered how Argonaute protein binds to microRNAs, shutting down protein production. This finding sheds light on the regulation of genes and has implications for treating diseases linked to genetic regulation, such as cancer.
Researchers found that microRNA levels are crucial for maintaining homeostasis during blood cell development, but not the 'slicer' activity of Ago2 protein. The study suggests that low levels of microRNA have distinct effects on different blood cell lineages.
A new study reveals that Argonaute2 is the key enzyme responsible for RNAi-mediated messenger RNA cleavage in mammals. The findings suggest that Argonaute2 provides the 'Slicer' activity necessary for siRNA-targeted mRNA cleavage.