ArticleJournal of virology2009
A complicated message: Identification of a novel PB1-related protein translated from influenza A virus segment 2 mRNA.
Article in Journal of virology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 212 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
212 citing papers in PubMed, 1 synthesis or guideline pooled it, 374 citations in OpenAlex.
- Pooled it
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- Emergence, migration and spreading of the high pathogenicity avian influenza virus H5NX of the Gs/Gd lineage into America.The Journal of general virology · 2025Review
- Proteomic Analysis of Differentially Expressed Proteins in A549 Cells Infected with H9N2 Avian Influenza Virus.International journal of molecular sciences · 2025Article
- Molecular Evolution of the H5 and H7 Highly Pathogenic Avian Influenza Virus Haemagglutinin Cleavage Site Motif.Reviews in medical virology · 2025Review
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- Public Health Risk from Influenza Viruses: A Scientometric Analysis of Influenza Research.Iranian journal of public health · 2024Article
- Locations and structures of influenza A virus packaging-associated signals and other functional elements via an in silico pipeline for predicting constrained features in RNA viruses.PLoS computational biology · 2024Article
- Identification of the protein coding capability of coronavirus defective viral genomes by mass spectrometry.Virology journal · 2023Article
- Global distribution, receptor binding, and cross-species transmission of H6 influenza viruses: risks and implications for humans.Journal of virology · 2023Review
- Structural Investigations of Interactions between the Influenza a Virus NS1 and Host Cellular Proteins.Viruses · 2023Review
- Proteomic and genetic analyses of influenza A viruses identify pan-viral host targets.Nature communications · 2023Article
- Protein sequence features of H1N1 swine influenza A viruses detected on commercial swine farms in Serbia.Journal of veterinary research · 2023Article
- CpG dinucleotide enrichment in the influenza A virus genome as a live attenuated vaccine development strategy.PLoS pathogens · 2023Article
152 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors at 3 institutions in 1 country.
Funding
Abstract
Influenza A virus segment 2 is known to encode two polypeptides in overlapping open reading frames: PB1, the polymerase, and PB1-F2, a proapoptotic virulence factor. We show that a third major polypeptide is synthesized from PB1 mRNA via differential AUG codon usage. PB1 codon 40 directs translation of an N-terminally truncated version of the polypeptide (N40) that lacks transcriptase function but nevertheless interacts with PB2 and the polymerase complex in the cellular environment. Importantly, the expression of N40, PB1-F2, and PB1 are interdependent, and certain mutations previously used to ablate PB1-F2 production affected N40 accumulation. Removal of the PB1-F2 AUG upregulated N40 synthesis, while truncating PB1-F2 after codon 8 (with a concomitant M40I change in PB1) abolished N40 expression. A virus lacking both N40 and PB1-F2 replicated normally. However, viruses that did not express N40 but retained an intact PB1-F2 gene overexpressed PB1 early in infection and replicated slowly in tissue culture. Thus, the influenza A virus proteome includes a 12th primary translation product that (similarly to PB1-F2) is nonessential for virus viability but whose loss, in particular genetic backgrounds, is detrimental to virus replication.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.