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When norovirus can't get out...

June 24, 2025

When norovirus can't get out...

Viruses face selective pressures, but inefficiencies in egress can be masked. Using a forward genetic screen, Valerie Rodriguez-Irizarry, Robert Maples and Julie Pfeiffer discovered an inefficiency in norovirus exit from cells, that could be overcome by a mutation in the virus NS3 protein, enhancing cell death and progeny release without affecting fitness in vivo. The work provides new insights into selective pressures that influence viral evolution.

Image credit: Valerie Rodriguez Irizarry

PLOS Biologue

Community blog for PLOS Biology, PLOS Genetics and PLOS Computational Biology.

PLOS BIOLOGUE

06/26/2025

Short Reports

N2 sleep and that ‘aha!’ moment

Sleep supports memory consolidation, but can it also facilitate memory reorganization? Anika Löwe, Marit Petzka, Maria Tzegka and Nicolas Schuck reveal that N2 sleep, but not N1 sleep during a nap, increases the likelihood of having an 'aha' moment about a previous decision-making task, and that spectral slopes of EEG power spectra predict future insights.

Image credit: pbio.3003185 credit Pixabay user ColiN00B

N2 sleep and that ‘aha!’ moment

Recently Published Articles

Current Issue

Current Issue May 2025

06/24/2025

Short Reports

Rival innovations in fish feeding

Large teeth and highly protrusible jaws are two feeding innovations that have evolved in fishes. Nick Peoples, Michalis Mihalitsis and Peter Wainwright use high-speed videography and comparative phylogenetic analyses to show that they are incompatible with each other. Large teeth unlock new feeding modes, but constrain the way in which prey can be captured; this antagonistic interaction has shaped the evolution of fish feeding.

Image credit: pbio.3003225

Rival innovations in fish feeding

06/24/2025

Methods and Resources

An atlas of ovulation

Ovulation is a complex process that is tightly controlled in a spatiotemporal manner, but the precise mechanisms remain unclear. Ruixu Huang, Caroline Kratka, Samouil Farhi, Francesca Duncan, Brittany Goods and colleagues use single-cell and spatial transcriptomics in mouse ovarian cells to provide specific temporal and localization profiles across ovulation as a community resource.

Image credit: pbio.3003193

An atlas of ovulation

06/24/2025

Research Article

How we learned not to sprawl

The ‘sprawling-to-parasagittal’ postural transition is a key part of mammalian evolution from non-mammalian synapsids. Robert Brocklehurst, Stephanie Pierce and co-workers use evolutionary adaptive landscapes to reveal parasagittal postures in stem therians, implying that synapsids evolved and radiated with distinct forelimb trait combinations for most of their recorded history.

How we learned not to sprawl

Image credit: pbio.3003188

06/23/2025

Short Reports

Structure of an antibacterial decoy

Glycoprotein 2 (GP2) filaments protect against gastrointestinal and urinary tract infections by acting as decoys for the bacterial lectin FimH. Jianting Han, Fei Zhang, Qin Cao and co-authors use the cryo-EM structure of GP2 filaments to provide molecular insights into filament assembly and antibacterial function in the proteolytic environment of the digestive tract.

Structure of an antibacterial decoy

Image credit: pbio.3003238

06/23/2025

Short Reports

Multinucleated giant cells in ovarian aging

Ovarian multinucleated giant cells are a unique macrophage population that arise within the aging mammalian ovary. Aubrey Converse, Michele Pritchard, Francesca Duncan and colleagues reveal a potential role in degradation of cellular debris and immune signaling, suggesting a potential contribution to ovarian inflammation during aging. Don't miss the related Primer by Avery Ahmed and Stephanie Pangas.

Multinucleated giant cells in ovarian aging

Image credit: pbio.3003204

06/23/2025

Perspective

Too poor to science

A career in science can come with a high price tag. This Perspective explores how persistent financial barriers limit who can succeed in science, and proposes structural changes to support equity and inclusion.

Too poor to science

Image credit: Pixabay user kschneider2991

06/23/2025

Perspective

Academic publishing in a multilingual world

As the availability and performance of AI for language editing and translation continues to improve, we can imagine a future in which everyone can use their own language to write, assess and read science. The question is, how can we achieve it?

Academic publishing in a multilingual world

Image credit: pbio.3003215

06/20/2025

Perspective

Using anti-DEI policies to dismantle education

Educational equity faces renewed threats across higher education in the United States. This Perspective addresses what can be done by life science instructors and researchers to prioritize equitable, evidence-based teaching for all.

Using anti-DEI policies to dismantle education

Image credit: Unsplash user Sam Balye

06/16/2025

Perspective

Human brain function in the real world

Functional MRI has been invaluable in understanding brain function. This Perspective explores how neuroimaging in more naturalistic environments may reveal crucial insights into human cognition and social interactions in everyday life.

Human brain function in the real world

Image credit: pbio.3003210

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