Results 71 to 80 of about 13,616 (222)

The role of nuclear organization in trans-splicing based expression of heat shock protein 90 in Giardia lamblia.

open access: yesPLoS Neglected Tropical Diseases, 2021
Hsp90 gene of G. lamblia has a split nature comprising two ORFs separated by 777 kb on chromosome 5. The ORFs of the split gene on chromosome 5 undergo transcription to generate independent pre-mRNAs that join by a unique trans-splicing reaction that ...
Vinithra Iyer   +6 more
doaj   +1 more source

Structure of spliceosomal ribonucleoproteins [PDF]

open access: yesF1000 Biology Reports, 2010
Splicing of the precursors of eukaryotic mRNA and some non-coding RNAs is catalyzed by the 'spliceosome', which comprises five RNA-protein complexes (small nuclear ribonucleoproteins, or snRNPs) that assemble in an ordered manner onto precursor-mRNAs. Much progress has been made in determining the gross morphology of spliceosomal assembly intermediates.
Krummel, Daniel Aaron Pomeranz   +2 more
openaire   +2 more sources

Genetic Control of Tissue Remodeling by a Non‐Coding SNP in ITGA8 Explains Carotenoid‐Based Color Polymorphism in Marine Mollusks

open access: yesAdvanced Science, EarlyView.
In this study, the orange‐muscle giant abalone (Haliotis gigantea) is used as a model to identify a non‐coding SNP that disrupts the interaction between ITGA8 pre‐mRNA and the splicing factor ILF2, leading to altered ITGA8 splicing. These splicing changes promote carotenoid accumulation in abalone muscle through the regulation of tissue remodeling ...
Xiaohui Wei   +17 more
wiley   +1 more source

Spliceosome Database: a tool for tracking components of the spliceosome [PDF]

open access: yesNucleic Acids Research, 2012
The spliceosome is the extremely complex macromolecular machine responsible for pre-mRNA splicing. It assembles from five U-rich small nuclear RNAs (snRNAs) and over 200 proteins in a highly dynamic fashion. One important challenge to studying the spliceosome is simply keeping track of all these proteins, a situation further complicated by the variety ...
Cvitkovic, Ivan, Jurica, Melissa S
openaire   +4 more sources

Prenatal Evaluation of RNU4‐2 Variants in Fetuses With Central Nervous System Anomalies

open access: yesAmerican Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView.
ABSTRACT Fetal central nervous system (CNS) anomalies are among the most common congenital malformations, yet the overall prenatal diagnostic yield of current genetic testing remains below 40%. Variants in RNU4‐2, a non‐coding gene encoding the U4 small nuclear RNA (snRNA), have recently been linked to a novel highly recurrent dominant ...
Yiyao Chen   +13 more
wiley   +1 more source

Cwc24p is a general Saccharomyces cerevisiae splicing factor required for the stable U2 snRNP binding to primary transcripts. [PDF]

open access: yesPLoS ONE, 2012
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

Spliceosome Structure and Function [PDF]

open access: yesCold Spring Harbor Perspectives in Biology, 2010
Pre-mRNA splicing is catalyzed by the spliceosome, a multimegadalton ribonucleoprotein (RNP) complex comprised of five snRNPs and numerous proteins. Intricate RNA-RNA and RNP networks, which serve to align the reactive groups of the pre-mRNA for catalysis, are formed and repeatedly rearranged during spliceosome assembly and catalysis.
Will, C., Lührmann, R.
openaire   +3 more sources

A comprehensive proteome and phosphoproteome atlas across nine organs of the Chinese hamster

open access: yesAnimal Models and Experimental Medicine, EarlyView.
This study presents the first comprehensive proteome and phosphoproteome atlas of the Chinese hamster across nine organs (heart, liver, lung, kidney, spleen, cerebral cortex, skeletal muscle, stomach, and testis or ovary). A total of 14 219 proteins were identified in the proteome, with 11 828 phosphorylated proteins and 47 122 phosphorylation sites ...
Luyao Zhang   +15 more
wiley   +1 more source

Dysregulation of U12‐Type Splicing in Lupus Neutrophils

open access: yesArthritis &Rheumatology, EarlyView.
Objective Neutrophil dysfunction is a hallmark of systemic lupus erythematosus (SLE), but its molecular basis remains unclear. This study explores transcriptional and posttranscriptional changes in low‐density granulocytes (LDGs), a proinflammatory neutrophil subset expanded in SLE, focusing on NADPH oxidase (Nox) function and minor intron splicing ...
Luz P. Blanco   +11 more
wiley   +1 more source

Saccharomyces cerevisiae NineTeen Complex (NTC)-associated Factor Bud31/Ycr063w Assembles on Precatalytic Spliceosomes and Improves First and Second Step Pre-mRNA Splicing Efficiency*

open access: yesJournal of Biological Chemistry, 2012
Background: Some yeast splicing factors, e.g. Bud31 in Cef1p subcomplex, are nonessential for cell viability. Results: Bud31 occurs in precatalytic (B) and catalytic spliceosomes and stabilizes protein interactions with the pre-mRNA; its absence affects ...
Debjani Saha   +3 more
semanticscholar   +1 more source

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