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Neural signaling and heart formation

April 14, 2026

Neural signaling and heart formation

Neural signals influence vertebrate heart growth, but the contributions of specific neuronal peptides to this process are not well understood. Hannah Gruner, CJ Pickett, Bradley Davidson and colleagues show how tachykinin and Wnt pathways modulate cardiomyocyte progenitor proliferation in Ciona robusta, offering new insight into the role of neural cues in organ development.

Image credit: pbio.3003715

PLOS Biologue

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

PLOS BIOLOGUE

04/16/2026

Research Article

Dopamine, effort and learning

Dopamine has been implicated in both effort and reward learning, but how do these processes interact? Huw Jarvis, Trevor Chong and co-workers show through pharmacology and computational modeling that dopamine supports the relationship between effort and learning, offering new insights on how humans learn from the consequences of their actions.

Image credit: pbio.3003765

Dopamine, effort and learning

Recently Published Articles

Current Issue

Current Issue March 2026

04/16/2026

Research Article

Circadian glucose rhythms

Circadian clocks are known to regulate metabolism, but the details of how they regulate glucose processing remains unclear. By integrating human metabolite profiling with isotope-tracing in Drosophila, Dania Malik, Pinky Kain, Seth Rhoades, Aalim Weljie and co-authors define daily rhythms in glucose utilization that are influenced by circadian timing. Don't miss the Primer by Yao Cai and Joanna Chiu.

Image credit: Pinky Kain

Circadian glucose rhythms

04/15/2026

Methods and Resources

Temporal transcriptomics of neural maturation

Aligning single-cell transcriptomic datasets along a shared temporal axis across studies, species, and model systems remains a fundamental challenge. Using meta-analytic models trained on millions of cell transcriptomes, Sridevi Venkatesan, Jesse Gillis and colleagues describe a transcriptomic measure of neurodevelopmental timing that is broadly applicable to different organisms and tissue types.

Image credit: pbio.3003757

Temporal transcriptomics of neural maturation

04/14/2026

Discovery Report

Tempos that resonate with the receiver’s brain

Do animals have a favored tempo for communicating with each other? Guy Amichay, Vijay Balasubramanian and Daniel Abrams use a survey of published data to reveal a hotspot of 0.5-4 Hz for communication across distinct species and modalities, and hypothesize that this may be driven by biophysical commonalities among the receivers' neurons.

Tempos that resonate with the receiver’s brain

Image credit: pbio.3003735

04/13/2026

Research Article

The individuality of human brains

Do humans establish common knowledge from identical inputs? Dongning Liu, Muzhi Wang and Huan Luo use behavior and MEG to show that even based on identical local evidence, human brains construct stable, self-consistent, yet highly individual global rankings, highlighting the constructive nature of human cognition.

The individuality of human brains

Image credit: Huan Luo and Dongning Liu

04/13/2026

Research Article

What drives biodiversity patterns?

Why do some clades contain far more species than others? By testing competing explanations across terrestrial vertebrates, Felipe Cerezer, David Storch and co-workers reveal that biodiversity patterns are most often shaped by long-term productivity-driven equilibrium dynamics.

What drives biodiversity patterns?

Image credit: pbio.3003730

04/16/2026

Consensus View

Core reproducibility items in research

Evidence-based solutions are needed to help improve reproducibility in research. This Consensus View presents a consensus-based list of core reproducibility items for research.

Core reproducibility items in research

Image credit: pbio.3003726

04/06/2026

Perspective

Improving research funding

The competitive research funding system is at a breaking point. Peter Kolarz argues that innovations to address this are needed on a grander scale than ever before, but this will not suffice; whole system transformation is required.

Improving research funding

Image credit: Unsplash user Alexander Grey

03/26/2026

Formal Comment

A responsible authorship culture is needed

In this Formal Comment, representatives from PLOS, Nature and JAMA call for action on adopting a principle-based approach for a responsible authorship culture.

A responsible authorship culture is needed

Image credit: Roli Roberts

03/23/2026

Unsolved Mystery

The cerebellum and cognition

The role of the cerebellum in motor functions is well understood, but why is it involved in working memory, language, social cognition, etc.? This Unsolved Mystery looks at the problems that have made it so difficult to answer this question.

The cerebellum and cognition

Image credit: pbio.3003688

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