Results 1 to 10 of about 6,327 (242)

Identification of the TSSK4 Alternative Spliceosomes and Analysis of the Function of the TSSK4 Protein in Yak (Bos grunniens)

open access: yesAnimals, 2022
In mammals, the testis-specific serine/threonine kinase (TSSK) is essential for spermatogenesis and male fertility. TSSK4 belongs to the family of the testis-specific serine/threonine-protein kinase (TSSK), with a crucial role in spermatogenesis.
Xingdong Wang   +11 more
doaj   +2 more sources

At the Intersection of Major and Minor Spliceosomes: Crosstalk Mechanisms and Their Impact on Gene Expression [PDF]

open access: yesFrontiers in Genetics, 2021
Many eukaryotic species contain two separate molecular machineries for removing non-coding intron sequences from pre-mRNA molecules. The majority of introns (more than 99.5% in humans) are recognized and excised by the major spliceosome, which utilizes ...
Maureen V. Akinyi, Mikko J. Frilander
doaj   +2 more sources

Phosphorylation of SF3B1 by CDK11 orchestrates spliceosome activation via SNIP1-dependent RES complex recruitment [PDF]

open access: yesNature Communications
Splicing Factor 3b Subunit 1 (SF3B1), a core component of the spliceosome, undergoes dynamic phosphorylation and dephosphorylation during the splicing cycle to regulate pre-mRNA splicing. Twenty-eight threonine/proline repeats are phosphorylated by CDK11
Pavla Gajdušková   +14 more
doaj   +2 more sources

Identification of Yak’s TLR4 Alternative Spliceosomes and Bioinformatic Analysis of TLR4 Protein Structure and Function

open access: yesAnimals, 2020
In this study, the yak’s TLR4 gene alternative spliceosomes were investigated using PCR amplification and cloning to improve disease-resistance in yak and promote efficient utilization of yak’s resources.
Xingdong Wang   +7 more
doaj   +2 more sources

Structure of a step II catalytically activated spliceosome from Chlamydomonas reinhardtii [PDF]

open access: yesThe EMBO Journal
Pre-mRNA splicing, a fundamental step in eukaryotic gene expression, is executed by the spliceosomes. While there is extensive knowledge of the composition and structure of spliceosomes in yeasts and humans, the structural diversity of spliceosomes in ...
Yichen Lu, Ke Liang, Xiechao Zhan
doaj   +2 more sources

The unique spliceosome signature of human pluripotent stem cells is mediated by SNRPA1, SNRPD1, and PNN

open access: yesStem Cell Research, 2017
Spliceosomes are the core host of pre-mRNA splicing, allowing multiple protein isoforms to be produced from a single gene. Herein, we reveal that spliceosomes are more abundant in human pluripotent stem cells (hPSs), including human embryonic stem cells (
Young-Dae Kim   +8 more
doaj   +2 more sources

Synergistic assembly of human pre-spliceosomes across introns and exons

open access: yeseLife, 2018
Most human genes contain multiple introns, necessitating mechanisms to effectively define exons and ensure their proper connection by spliceosomes. Human spliceosome assembly involves both cross-intron and cross-exon interactions, but how these work ...
Joerg E Braun   +3 more
doaj   +2 more sources

Spliceosomal snRNA Epitranscriptomics [PDF]

open access: yesFrontiers in Genetics, 2021
Small nuclear RNAs (snRNAs) are critical components of the spliceosome that catalyze the splicing of pre-mRNA. snRNAs are each complexed with many proteins to form RNA-protein complexes, termed as small nuclear ribonucleoproteins (snRNPs), in the cell ...
Pedro Morais, Hironori Adachi, Yi-Tao Yu
doaj   +3 more sources

Nuclear Pre-snRNA Export Is an Essential Quality Assurance Mechanism for Functional Spliceosomes

open access: yesCell Reports, 2019
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
Thomas Lingner, Heike Krebber
exaly   +3 more sources

Crosstalk between chromatin state and ATM signalling in DNA damage-induced transcription stress [PDF]

open access: yesThe EMBO Journal
The DNA Damage Response (DDR) is a highly regulated process that safeguards genomic integrity against DNA lesions. Increasing evidence supports a reciprocal relationship between damaged chromatin architecture and the signalling pathways that coordinate ...
Irene Salas-Armenteros   +3 more
doaj   +2 more sources

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