Articles tagged with Spliceosomes
Two molecular control factors, GPATCH1 and DHX35, ensure accurate splicing by recognizing and rejecting defective pre-mRNAs. This process prevents the production of incorrectly synthesized proteins.
Researchers in the Galej Group at EMBL Grenoble have provided new structural insights into the U11 snRNP subunit of the minor spliceosome, revealing its ability to specifically identify rare substrates. The study sheds light on the complex assembly pathway of the minor spliceosome, which is critical for processing minor introns in genes.
Researchers at Heidelberg University have successfully depicted a faultily 'blocked' spliceosome and reconstructed its recognition and elimination process. This breakthrough provides new insights into the quality control mechanism of the complex molecular machine, shedding light on how cells ensure accurate mRNA production.
A team of researchers has identified a mechanism that interferes with the splicing process in a more subtle way, leading to cell death. The study reveals that spliceosome subunits U4, U5, and U6 are normally stabilized by protein USP39, but when mutated or absent, stability is compromised, causing incorrect connections during splicing.
The study reveals individual components of the spliceosome are highly specialised, with unique regulatory functions. Altering the expression of one component can have widespread ripple effects on the entire splicing network.
A study by Cold Spring Harbor Laboratory has discovered two regulator proteins that work together to keep the splicing process on track. The research, led by Professor Adrian Krainer, identifies SRSF1's interactions with other proteins, providing new insights into how this critical regulator works.
Researchers discovered that spliceosomes, responsible for removing introns from genes, can remain active and engage with removed introns, potentially reinserting them into the genome. This finding suggests a possible role of spliceosomes in our DNA recycling and adds complexity to the genome.
A novel mechanism for splicing human short introns has been discovered using the SAP30BP-RBM17 complex. The researchers confirmed that the established pre-mRNA splicing mechanism cannot work in a subset of human short introns.
A team of researchers at the University of Cologne has discovered a protein complex called C/EBP heterodimer that directs cells towards a dormant state in response to faulty gene expression. This mechanism, known as cellular senescence, can protect tissues from damage but also promote disease and ageing.
A research team has identified a previously unknown weak spot in prostate cancer cells that could lead to new therapeutic approaches for other types of cancer. The study found that inhibiting this process can reduce cancer growth without affecting normal cell growth.
Human cells use a mechanism to protect genetic transcripts from spliceosomes, preventing damage that can lead to cancer and neurodegenerative diseases. The researchers found that the snRNA of spliceosomes migrates into the cytoplasm in human cells, unlike in yeast, where it remains in the nucleus.
Researchers found that ribosomes hold newly synthesized proteins back until specific helpers, called chaperones, deliver the matching counterparts. This ensures only the intended structure is formed, adopting the role of a quality inspector in addition to production.
A team of researchers from the University of Wisconsin-Madison has captured the most detailed images yet of spliceosomes, which help make proteins in our bodies. The images reveal new details about how these cellular machines work and provide insight into the relationship between RNA and protein.
Researchers find RNA, not protein, catalyzes eukaryotic gene splicing, increasing complexity in higher organisms. This discovery enriches the 'RNA world' origin hypothesis, suggesting life on earth began with RNA-based systems.
A recent study by Ohio State University researchers has identified a gene mutation that causes microcephalic osteodysplastic primoridal dwarfism type 1 (MOPD1), a rare developmental disorder. The defect, triggered by a tiny gene mutation, greatly slows growth in the uterus and causes severe brain and organ abnormalities.