MDF is a conserved splicing factor and modulates cell division and stress response in Arabidopsis
MDF acts like its human homolog SART1 as a splicing factor that is important for maintenance of genome stability and correct splicing and expression of genes involved in cell division and stress response.
Cloe de Luxán-Hernández +6 more
doaj +1 more source
Molecular architecture of the human U4/U6.U5 tri-snRNP
A human spliceosomal subcomplex The spliceosome is an RNA and protein molecular machine that cuts out introns from messenger RNAs. Agafonov et al. used cryo-electron microscopy to determine the structure of the largest intermediate subcomplex on the assembly pathway for the ...
Agafonov, D. +7 more
openaire +4 more sources
U4/U5/U6 snRNP recognizes the 5' splice site in the absence of U2 snRNP. [PDF]
Using an in vitro system in which a 5' splice site (5'SS) RNA oligo (AAG decreases GUAAGUAdT) is capable of inducing formation of U2/U4/U5/U6 snRNP complex we show that this oligo specifically binds to U4/U5/U6 snRNP and cross-links to U6 snRNA in the absence of U2 snRNP.
B B, Konforti, M M, Konarska
openaire +2 more sources
Alternative Spliceosome Assembly Pathways Revealed by Single-Molecule Fluorescence Microscopy
Removal of introns from nascent transcripts (pre-mRNAs) by the spliceosome is an essential step in eukaryotic gene expression. Previous studies have suggested that the earliest steps in spliceosome assembly in yeast are highly ordered and the stable ...
Inna Shcherbakova +7 more
doaj +1 more source
TDRD6 mediates early steps of spliceosome maturation in primary spermatocytes. [PDF]
Tudor containing protein 6 (TDRD6) is a male germ line-specific protein essential for chromatoid body (ChB) structure, elongated spermatid development and male fertility.
Müge Akpınar +6 more
doaj +1 more source
RNA-Seq analysis of splicing in Plasmodium falciparum uncovers new splice junctions, alternative splicing and splicing of antisense transcripts. [PDF]
Over 50% of genes in Plasmodium falciparum, the deadliest human malaria parasite, contain predicted introns, yet experimental characterization of splicing in this organism remains incomplete.
DeRisi, Joseph L +2 more
core +3 more sources
A role for the Cajal-body-associated SUMO isopeptidase USPL1 in snRNA transcription mediated by RNA polymerase II [PDF]
Cajal bodies are nuclear structures that are involved in biogenesis of snRNPs and snoRNPs, maintenance of telomeres and processing of histone mRNA. Recently, the SUMO isopeptidase USPL1 was identified as a component of Cajal bodies that is essential for ...
Andersen +95 more
core +9 more sources
Cwc24p is a general Saccharomyces cerevisiae splicing factor required for the stable U2 snRNP binding to primary transcripts. [PDF]
Splicing of primary transcripts is an essential process for the control of gene expression. Specific conserved sequences in premature transcripts are important to recruit the spliceosome machinery.
Patricia P Coltri, Carla C Oliveira
doaj +1 more source
Position-dependent inhibition of the cleavage step of pre-mRNA 3'-end processing by U1 snRNP [PDF]
The 3' ends of most eukaryotic pre-mRNAs are generated by 3' endonucleolytic cleavage and subsequent polyadenylation. 3'-end formation can be influenced positively or negatively by various factors.
Vagner, S. +4 more
core +1 more source
Unexpected role of the steroid-deficiency protein ecdysoneless in pre-mRNA splicing. [PDF]
The steroid hormone ecdysone coordinates insect growth and development, directing the major postembryonic transition of forms, metamorphosis. The steroid-deficient ecdysoneless1 (ecd1) strain of Drosophila melanogaster has long served to assess the ...
Ann-Katrin Claudius +4 more
doaj +1 more source

