Results 31 to 40 of about 134,303 (299)
Profiling stress-triggered RNA condensation with photocatalytic proximity labeling
Stress granules (SGs) are highly dynamic cytoplasmic membrane-less organelles that assemble when cells are challenged by stress. RNA molecules are sorted into SGs where they play important roles in maintaining the structural stability of SGs and ...
Ziqi Ren, Wei Tang, Luxin Peng, Peng Zou
doaj +1 more source
Structural basis and dynamics of Chikungunya alphavirus RNA capping by nsP1 capping pores
Alphaviruses are emerging positive-stranded RNA viruses which replicate and transcribe their genomes in membranous organelles formed in the cell cytoplasm. The nonstructural protein 1 (nsP1) is responsible for viral RNA capping and gates the replication organelles by assembling into monotopic membrane-associated dodecameric pores ...
Jones, Rhian +5 more
openaire +4 more sources
Respiratory syncytial virus (RSV) is a negative sense single-stranded RNA virus and one of the main causes of severe lower respiratory tract infections in infants and young children.
Priscila Sutto-Ortiz +12 more
doaj +1 more source
Sequestering the 5′‐cap for viral RNA packaging
AbstractMany viruses evolved mechanisms for capping the 5′‐ends of their plus‐strand RNAs as a means of hijacking the eukaryotic messenger RNA (mRNA) splicing/translation machinery. Although capping is critical for replication, the RNAs of these viruses have other essential functions including their requirement to be packaged as either genomes or pre ...
Pengfei Ding, Michael F. Summers
openaire +2 more sources
Biological roles of DExH RNA helicase, RHAU [PDF]
In this thesis, I have described the work carried out on a single protein called RHAU, dealing with aspects of protein localization in cells, the regulation of global gene expression by different mechanisms, and cellular stress-responses.
Iwamoto, Fumiko
core +1 more source
5' cap-independent translation of dengue virus genomic RNA
Objetives. To analyze the involvement of methyl guanosine triphosphate cap (5’cap) and the start site of the genomic RNA of Dengue virus serotype 2 (DENV-2) American genotype in translation, using a cell-free system prepared from human placenta ...
Mariela Pérez Dominguez +5 more
doaj +1 more source
Anomalous HIV-1 RNA, How Cap-Methylation Segregates Viral Transcripts by Form and Function
The acquisition of m7G-cap-binding proteins is now recognized as a major variable driving the form and function of host RNAs. This manuscript compares the 5′-cap-RNA binding proteins that engage HIV-1 precursor RNAs, host mRNAs, small nuclear (sn)- and ...
Kathleen Boris-Lawrie +5 more
doaj +1 more source
The SARS-CoV-2 RNA polymerase is a viral RNA capping enzyme [PDF]
Abstract SARS-CoV-2 is a positive-sense RNA virus responsible for the Coronavirus Disease 2019 (COVID-19) pandemic, which continues to cause significant morbidity, mortality and economic strain. SARS-CoV-2 can cause severe respiratory disease and death in humans, highlighting the need for effective antiviral therapies.
Walker, AP +5 more
openaire +3 more sources
Generation and characterization of a recombinant Rift Valley fever virus expressing a V5 epitope-tagged RNA-dependent RNA polymerase [PDF]
The viral RNA-dependent RNA polymerase (RdRp; L protein) of Rift Valley fever virus (RVFV; family Bunyaviridae) is a 238 kDa protein that is crucial for the life cycle of the virus, as it catalyses both transcription of viral mRNAs and replication of the
Brennan, Benjamin +5 more
core +1 more source
In eukaryotes, the formation of a 5′-cap and 3′-poly(A) dependent protein–protein bridge is required for translation of its mRNAs. In contrast, several plant virus RNA genomes lack both of these mRNA features, but instead have a 3′-CITE (for cap ...
Manuel Miras +7 more
doaj +1 more source

