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Can plague be transmitted by louse bite?

May 21, 2024

Can plague be transmitted by louse bite?

Yersinia pestis, the causative agent of plague, uses fleas and rodents as vectors for transmission. David Bland, Joseph Hinnebusch and colleagues report a new vector for Y. pestis, showing that it can infect the Pawlowsky glands of human body lice and be transmitted by louse bite.

Image credit: David M Bland

PLOS Biologue

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

PLOS BIOLOGUE

05/24/2024

Research Article

Ejaculation, mating effort and life history trade-offs

Theory assumes that allocation to pre- and post-copulatory sexual traits draws from a common pool of resources, creating equivalent life-history trade-offs. However, Meng-Han Joseph Chung, Rebecca Fox and Michael Jennions use a novel experiment with mosquitofish to reveal independent costs of mating effort and sperm allocation on subsequent male performance.

Image credit: Andrew Kahn

Ejaculation, mating effort and life history trade-offs

Recently Published Articles

Current Issue

Current Issue April 2024

05/23/2024

Meta-Research Article

Evolution of research topics in plant science

Our ability to understand the progress of science through the evolution of research topics is limited by the need for specialist knowledge and the exponential growth of the literature. Shin-Han Shiu and Melissa Lehti-Shiu use artificial intelligence and machine learning approaches to demonstrate how a biological field (plant science) has evolved, how the model systems have changed, and how countries differ in terms of research focus and impact.

Image credit: pbio.3002612

Evolution of research topics in plant science

05/20/2024

Research Article

Novel PROTAC moiety for CRL4DCAF11 E3 ligase

Targeted protein degradation strategies are promising avenues for drug development, but it is important to broaden the toolbox of E3 ligases that can be engaged. Ying Wang, Tianzi Wei, Man Zhao, Liang Hong, Rui Wang, Ruilin Tian, Guofeng Li and co-workers shows that alkenyl oxindole compounds act as novel E3 ligase ligands and recruit the CRL4-DCAF11 E3 ubiquitin ligase complex for substrate degradation.

Image credit: pbio.3002550

Novel PROTAC moiety for CRL4DCAF11 E3 ligase

05/20/2024

Research Article

Driving action observation and execution

Neuronal activity during action execution and action observation is ubiquitous in the primate brain but what minimal visual features drive this activity? Sofie De Schrijver, Thomas Decramer and Peter Janssen show that neurons active during action observation and action execution respond to surprisingly simple visual stimuli which do not contain any meaningful action.

Driving action observation and execution

Image credit: pbio.3002358

05/16/2024

Research Article

Robust genetic codes boost evolution

Does the robustness of the standard genetic code accelerate or impede adaptive evolution? Hana Rozhoňová, Joshua Payne and colleagues use experimental data from six massively parallel sequence-to-function assays for four proteins to show that robust genetic codes enhance protein evolvability by producing smooth adaptive landscapes with few peaks. Don’t miss the related Primer.

Robust genetic codes boost evolution

Image credit: pbio.3002594

05/16/2024

Research Article

Help or punish?

In third-party interventions, people tend to get involved in others’ injustices by either punishing the transgressor or helping the victim. Huagen Wang, Shaozheng Qin, Chao Liu and co-workers show that acute stress decreases the third party’s willingness to punish the violator and increases their willingness to help the victim. Read more details in the associated Primer.

Help or punish?

Image credit: pbio.3002195

05/24/2024

Essay

Integrating phylogenies into single-cell RNA data

Samuel Church, Jasmine Mah and Casey Dunn argue that, by integrating phylogenetic approaches into scRNA-seq analyses, hypotheses about gene and cell evolution can be robustly tested.

Integrating phylogenies into single-cell RNA data

Image credit: pbio.3002633

05/21/2024

Essay

"Nature's Strongholds" and the 30x30 target

The 2022 GBF set out to conserve a global area of 30% by 2030. This Essay provides a framework for area-based conservation that prioritizes "Nature's Strongholds", arguing that these are disproportionately important for biodiversity conservation.

"Nature's Strongholds" and the 30x30 target

Image credit: Omar Torrico

05/20/2024

Essay

Synteny in phylogenomics

Reconstructing the tree of life is a central goal in biology. Jacob Steenwyk and Nicole King discuss the use of synteny for reconstructing the tree of life and propose a roadmap for conducting rigorous and accurate synteny-based phylogenomic analysis.

Synteny in phylogenomics

Image credit: pbio.3002632

04/16/2024

Unsolved Mystery

How do endosymbionts work with so few genes?

This Unsolved Mystery article explores how genome reduction alters endosymbiont biology and highlights a ‘tipping point’ where the loss of the ability to build a cell envelope coincides with a marked erosion of translation-related genes.

How do endosymbionts work with so few genes?

Image credit: pbio.3002577

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PLOS Biology | ISSN: 1545-7885 (online)