ArticleEMBO reports2025
A previously undescribed archaeal virus suppresses host immunity.
Article in EMBO reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
3 citing papers in PubMed.
- Two coinfecting archaeal viruses provide insights into virus-virus interactions.Communications biology · 2026Article
- A new family of rolling-circle replication endonucleases widespread in archaeal viruses and plasmids.Nucleic acids research · 2026Article
- Detecting chronically infecting viruses of haloarchaea.FEMS microbiology letters · 2026Article
Corrections and comments
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Authors and funding
14 authors.
Funding
Abstract
Extremophilic archaea can have chronic viral infections that are well-tolerated by the hosts and may potentially protect against more lethal infections. Here we show that a natural Haloferax strain (48N), is chronically infected by a lemon-shaped virus. This viral infection is not cleared spontaneously, despite the multiple defense systems of the host. Curing 48N of its virus led to radical changes in the gene expression profile of 48N and a dramatic improvement in its growth rate. Remarkably, the cured 48N is the fastest-growing haloarchaeon reported to date, with a generation time of ~107 min at 45 °C, and faster than any known Haloferax species at this temperature. The virus subverts host defenses by reducing its transcription, including the CRISPR spacer acquisition machinery. Nonetheless, even in the virus-cured background, spacer acquisition is very low, indicating that another genetic element is disrupting CRISPR activity. Our results suggest that the slow growth of some halophilic archaea could be due to the effects of proviruses within their genomes that consume resources and alter the gene expression of their hosts.
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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.