Roles of alternative splicing in infectious diseases: from hosts, pathogens to their interactions
. Alternative splicing (AS) is an evolutionarily conserved mechanism that removes introns and ligates exons to generate mature messenger RNAs (mRNAs), extremely improving the richness of transcriptome and proteome. Both mammal hosts and pathogens require
Mengyuan Lyu +8 more
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Inhibición parcial de dos genes que codifican para proteínas del empalmosoma en Giardia intestinalis
Introducción. Giardia intestinalis es un organismo tempranamente divergente en el que recientemente se demostró la presencia de intrones. La maquinaria responsable de la remoción de intrones en organismos eucariotas superiores es el empalmosoma, el cual ...
Vanessa Gómez, Moisés Wasserman
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The DEAH-box NTPase Prp43 and its cofactors Ntr1 and Ntr2 form the NTR complex and are required for disassembling intron-lariat spliceosomes (ILS) and defective earlier spliceosomes.
Jean-Baptiste Fourmann +7 more
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Retention of posttranscriptional spliceosomes in nuclear speckles until splicing completion. [PDF]
There is little quantitative information regarding how much splicing occurs co-transcriptionally in higher eukaryotes, and it remains unclear where precisely splicing occurs in the nucleus.
Hartmuth, K. +8 more
core +1 more source
Nuclear Pre-snRNA Export Is an Essential Quality Assurance Mechanism for Functional Spliceosomes
Summary: Removal of introns from pre-mRNAs is an essential step in eukaryotic gene expression, mediated by spliceosomes that contain snRNAs as key components. Although snRNAs are transcribed in the nucleus and function in the same compartment, all except
Daniel Becker +5 more
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The RNA helicase Aquarius exhibits structural adaptations mediating its recruitment to spliceosomes. [PDF]
Aquarius is a multifunctional putative RNA helicase that binds precursor-mRNA introns at a defined position. Here we report the crystal structure of human Aquarius, revealing a central RNA helicase core and several unique accessory domains, including an ...
Henning Urlaub +24 more
core +1 more source
Cloning and tissue expression of alternative spliceosome in chicken G-protein alpha subunit gene
In order to research deeply the transcription and splicing situations of chicken G-protein alpha subunit gene (GNAS), we used 5´ and 3´ rapid-amplification cDNA end (RACE) technology to clone and sequence the chicken GNAS gene, and used quantitative ...
ZHANG Xuedong +6 more
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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
Therapeutic Targeting of Alternative Splicing: A New Frontier in Cancer Treatment
The ability for cells to harness alternative splicing enables them to diversify their proteome in order to carry out complex biological functions and adapt to external and internal stimuli. The spliceosome is the multiprotein-RNA complex charged with the
Anthony J. Murphy +3 more
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The spliceosome as a transposon sensor [PDF]
The ability to distinguish self from non-self nucleic acids enables eukaryotes to suppress mobile elements and maintain genome integrity. In organisms from protist to human, this function is performed by RNA silencing pathways. There have been major advances in our understanding of the RNA silencing machinery, but the mechanisms by which these pathways
Dumesic, Phillip A, Madhani, Hiten D
openaire +4 more sources

