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A cell cycle biosensor for avian development

October 9, 2026

A cell cycle biosensor for avian development

Fucci genetic systems are commonly used to monitor cell proliferation in living cells, but no stably expressing Fucci line has been developed in an avian species. Zoe Sudderick, Denis Headon, Megan Davey, Richard Mort, James Glover and colleagues develop FuChi, the first avian Fucci reporter line that enables precise cell cycle tracking during embryonic development.

Image credit: James Glover

PLOS Biologue

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

PLOS BIOLOGUE

10/09/2026

Discovery Report

Activating sperm

CatSper is a sperm-specific calcium channel essential for male fertility that is activated by changes in pH and temperature, but how these signals are integrated remains unclear. Billy Zhao, Ziao Fu, Polina Lishko and co-workers provide evidence that temperature-dependent histidine deprotonation within the CatSper1 N-terminus promotes coupling between neighboring complexes and activation.

Image credit: pbio.3003776

Activating sperm

Recently Published Articles

Current Issue

Current Issue September 2026

10/08/2026

Research Article

Discriminating click-trains

Natural sounds contain both spectral and temporal information, but how millisecond-scale temporal patterns are represented across the auditory system is unclear. Yuying Zhai, Peirun Song, Ana Belén Lao-Rodríguez, Manuel Malmierca, Xiongjie Yu and co-authors show that distinct click-train patterns evoke discriminable behavioral and neural responses, with sensitivity increasing from midbrain to cortex and shaped by corticothalamic feedback and cortical hierarchy.

Image credit: pbio.3004046

Discriminating click-trains

10/08/2026

Methods and Resources

How symbiotic Rhizobia manipulate their hosts

Symbiotic rhizobia form nitrogen-fixing partnerships with plant roots but how they reprogram plant development remains unclear. Albin Teulet and Sebastian Schornack use structural modelling to predict that many of their secreted proteins may act as genetic regulators, mimicking plant factors in a strategy shared with pathogens.

Image credit: pbio.3004038

How symbiotic Rhizobia manipulate their hosts

10/06/2026

Methods and Resources

Precise RNA tracking in plants

Visualizing native RNA dynamics in living plant cells at single transcript resolution is limited by high background fluorescence. Jiayu Zhang, Yiran Tao, Jiuyuan Bai and colleagues develop a high signal-to-noise CRISPR-dCas13X imaging platform that overcomes this barrier and provides insights into mRNA trafficking dynamics.

Precise RNA tracking in plants

Image credit: pbio.3004043

10/06/2026

Meta-Research Article

The consequences of poorly validated antibodies

Researchers often select antibodies based on previous use or peer recommendations rather than systematic performance assessment. Michael Biddle, Eva Krockow, Harvinder Virk and co-workers show that poor antibody validation contributes to substantial avoidable consumption of animal and human biological samples. Don't miss the accompanying article on proposed solutions and the Primer by Johan Duchêne.

The consequences of poorly validated antibodies

Image credit: pbio.3002415

10/05/2026

Research Article

Priming a fly's taste for bacteria

Pathogenic bacteria in the larval fly gut can 'prime' the adult gustatory system to recognize bacterial peptidoglycans, but how? Romane Milleville, Gérard Manière, Julien Royet, Cyril Kurz and co-authors identify uracil as the bacteria-derived cue and characterize a larval sensory pathway required for priming the adult.

Priming a fly's taste for bacteria

Image credit: pbio.3004042

10/05/2026

Essay

Sparing of neurons in neurodegeneration

Why do some neurons die in neurodegenerative disease while closely related neighbors survive? This Essay argues that disease resistance may depend on active maintenance of adult neuronal identity.

Sparing of neurons in neurodegeneration

Image credit: pbio.3004014

09/22/2026

Community Page

Who eats whom?

Citizen science photographs contain a vast and underused record of species interactions. This Community Page introduces "Who Eats Whom," an interactive, searchable food web created from photographs uploaded to iNaturalist.

Who eats whom?

Image credit: pbio.3003988

09/15/2026

Unsolved Mystery

Can inflammation promote cancer progression?

Acute infections are linked to cancer progression in experimental systems, but they can elicit anti-tumor immune responses. This Unsolved Mystery highlights gaps in our understanding of how infections differentially skew immune programs during cancer progression.

Can inflammation promote cancer progression?

Image credit: pbio.3003962

09/08/2026

Essay

Seaweed carbon removal can't keep up

Seaweed forests are widely viewed as natural climate solutions, yet warming oceans are driving their rapid decline. This Essay reveals that losses are outpacing restoration efforts by orders of magnitude, raising urgent concerns.

Seaweed carbon removal can't keep up

Image credit: Jonas Thomar

PLOS Biology | ISSN: 1545-7885 (online)