In Vitro Studies of the Prp9·Prp11·Prp21 Complex Indicate a Pathway for U2 Small Nuclear Ribonucleoprotein Activation [PDF]
Pre-mRNA splicing takes place on a large ribonucleoprotein particle, the spliceosome which contains the five small nuclear ribonucleoproteins (snRNPs), U1, U2, U4, U5, and U6. In Saccharomyces cerevisiae the mRNA splicing factors, Prp9, Prp11, and Prp21,
Abelson, John +2 more
core +1 more source
An intimate view of a spliceosome component
A high-resolution structure reveals how the ribonucleoprotein particle called U1 snRNP engages with 5′ splice sites.
Timothy W Nilsen
doaj +1 more source
αCP binding to a cytosine-rich subset of polypyrimidine tracts drives a novel pathway of cassette exon splicing in the mammalian transcriptome. [PDF]
Alternative splicing (AS) is a robust generator of mammalian transcriptome complexity. Splice site specification is controlled by interactions of cis-acting determinants on a transcript with specific RNA binding proteins.
Bahrami-Samani, Emad +7 more
core +1 more source
Mechanism of 5ʹ splice site transfer for human spliceosome activation
Creation of the splicing catalytic center The catalytic center of the fully assembled, precatalytic pre–B spliceosome is not yet formed, even though all the pieces are present in this complex. Charenton et al.
C. Charenton, M. E. Wilkinson, K. Nagai
semanticscholar +1 more source
The 35S U5 snRNP is generated from the activated spliceosome during In vitro splicing [PDF]
Primary gene transcripts of eukaryotes contain introns, which are removed during processing by splicing machinery. Biochemical studies In vitro have identified a specific pathway in which introns are recognised and spliced out. This occurs by progressive
Barbara Bardoni +18 more
core +9 more sources
The CUGBP2 splicing factor regulates an ensemble of branchpoints from perimeter binding sites with implications for autoregulation [PDF]
Alternative pre-mRNA splicing adjusts the transcriptional output of the genome by generating related mRNAs from a single primary transcript, thereby expanding protein diversity.
Dembowski, JA, Grabowski, PJ
core +5 more sources
A decline of skeletal muscle strength with aging is a primary cause of mobility loss and frailty in older persons, but the molecular mechanisms of such decline are not understood.
Ceereena Ubaida-Mohien +10 more
doaj +1 more source
Identification of Five Putative Yeast RNA Helicase Genes [PDF]
The RNA helicase gene family encodes a group of eight homologous proteins that share regions of sequence similarity. This group of evolutionarily conserved proteins presumably all utilize ATP (or some other nucleoside triphosphate) as an energy source ...
Abelson, John +2 more
core +1 more source
Circadian rhythms and post-transcriptional regulation in higher plants [PDF]
The circadian clock of plants allows them to cope with daily changes in their environment. This is accomplished by the rhythmic regulation of gene expression, in a process that involves many regulatory steps.
Romanowski, Andrés +1 more
core +3 more sources
Coupling of spliceosome complexity to intron diversity
We determined that over 40 spliceosomal proteins are conserved between many fungal species and humans but were lost during the evolution of S. cerevisiae, an intron-poor yeast with unusually rigid splicing signals.
Jade Sales-Lee +8 more
semanticscholar +1 more source

