Negative and ambisense RNA virus ribonucleocapsids: more than protective armor

KR Sabsay, AJW Te Velthuis - Microbiology and Molecular Biology …, 2023 - Am Soc Microbiol
Negative and ambisense RNA viruses are the causative agents of important human
diseases such as influenza, measles, Lassa fever, and Ebola hemorrhagic fever. The viral …

Defective viral genomes: advances in understanding their generation, function, and impact on infection outcomes

JW Brennan, Y Sun - Mbio, 2024 - Am Soc Microbiol
Defective viral genomes (DVGs) are truncated derivatives of their parental viral genomes
generated during an aberrant round of viral genomic replication. Distinct classes of DVGs …

Levels of influenza A virus defective viral genomes determine pathogenesis in the BALB/c mouse model

R Penn, JS Tregoning, KE Flight, L Baillon… - Journal of …, 2022 - Am Soc Microbiol
Defective viral genomes (DVGs), which are generated by the viral polymerase in error
during RNA replication, can trigger innate immunity and are implicated in altering the clinical …

Reduced nucleoprotein availability impairs negative-sense RNA virus replication and promotes host recognition

BE Nilsson-Payant, D Blanco-Melo, S Uhl… - Journal of …, 2021 - Am Soc Microbiol
Negative-sense RNA viruses (NSVs) rely on prepackaged viral RNA-dependent RNA
polymerases (RdRp) to replicate and transcribe their viral genomes. Their replication …

Inferring protein function in an emerging virus: detection of the nucleoprotein in tilapia lake virus

R Abu Rass, T Kustin, R Zamostiano… - Journal of …, 2022 - Am Soc Microbiol
Emerging viruses impose global threats to animal and human populations and may bear
novel genes with limited homology to known sequences, necessitating the development of …

The C-terminal domains of the PB2 subunit of the influenza A virus RNA polymerase directly interact with cellular GTPase Rab11a

H Veler, H Fan, JR Keown, J Sharps… - Journal of …, 2022 - Am Soc Microbiol
Influenza A virus (IAV) contains a segmented RNA genome that is transcribed and replicated
by the viral RNA polymerase in the cell nucleus. Replicated RNA segments are assembled …

Contribution of RNA-RNA interactions mediated by the genome packaging signals for the selective genome packaging of influenza A virus

S Miyamoto, Y Muramoto, K Shindo… - Journal of …, 2022 - Am Soc Microbiol
The influenza A virus genome is composed of eight single-stranded negative-sense viral
RNA segments (vRNAs). The eight vRNAs are selectively packaged into each progeny …

Influenza A virus defective viral genomes are inefficiently packaged into virions relative to wild-type genomic RNAs

FG Alnaji, WK Reiser, J Rivera-Cardona… - Mbio, 2021 - Am Soc Microbiol
Deletion-containing viral genomes (DelVGs) are commonly produced during influenza A
virus infection and have been implicated in influencing clinical infection outcomes. Despite …

In vivo secondary structural analysis of Influenza A virus genomic RNA

B Mirska, T Woźniak, D Lorent, A Ruszkowska… - Cellular and Molecular …, 2023 - Springer
Influenza A virus (IAV) is a respiratory virus that causes epidemics and pandemics.
Knowledge of IAV RNA secondary structure in vivo is crucial for a better understanding of …

Disruption of influenza virus packaging signals results in various misassembled genome complexes

J Girard, C Jakob, LK Toews, J Fuchs… - Journal of …, 2023 - Am Soc Microbiol
The eight different genomic viral RNAs (vRNAs) of influenza A virus are typically packaged
into virions as a (7+ 1) complex of seven viral ribonucleoproteins (vRNPs) around a central …