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Plasmodium falciparum's new channel

May 30, 2025

Plasmodium falciparum's new channel

Malaria parasites survive in red blood cells by breaking down hemoglobin in their digestive vacuole (DV). Gagandeep Saggu, Sanjay Desai and coworkers identify BVAC as a new large anion channel responsible for DV acidification, enabling hemoglobin digestion and amino acid transport in Plasmodium falciparum.


Image credit: pbio.3003202 credit Ryan Kissinger

PLOS Biologue

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

PLOS BIOLOGUE

05/29/2025

Short Reports

Controlling moth pests

Proteins derived from Bacillus thuringiensis, such as Vip3Aa, are commonly used in genetically modified crops to control lepidopteran pests. Andreas Bachler, Tom Walsh and colleagues identify HaVipR1 as a novel gene in the crop pest Helicoverpa armigera whose disruption confers resistance to Vip3Aa.


Image credit: pbio.3003165

Controlling moth pests

Recently Published Articles

Current Issue

Current Issue April 2025

05/28/2025

Methods and Resources

qByte: An open-source isothermal fluorimeter

Current commercial isothermal fluorimeters are expensive and unsuitable for field work, limiting their accessibility in low-resource settings. Francisco Quero, Jennifer Molloy, Ariel Lindner and co-authors develop an open-source, low-cost, portable isothermal fluorimeter designed for various biotechnological applications.


Image credit: Jiayi Hou and Francisco J. Quero

qByte: An open-source isothermal fluorimeter

05/28/2025

Research Article

The m5C reader in control of cell cycle progression

m5C RNA modifications are implicated in various cellular functions, but their role during neural development is poorly understood. Jian Zhang, Sheng-Jian Ji and co-workers show that the m5C reader protein Ybx1 plays a crucial role in promoting the cell cycle progression of embryonic cortical progenitor cells, essential for proper cortical development.

Image credit: pbio.3003175

The m5C reader in control of cell cycle progression

05/27/2025

Research Article

Toxic bacteria competition

Bacteria use toxic effectors to outcompete other bacteria, influencing the composition of microbial communities. Pin-Yi Song, Chia-En Tsai, See-Yeun Ting and colleagues show that the cysteine protease Cpe1, a widespread toxin in Gram negative bacteria, inhibits genome replication in competitors by cleaving and disabling DNA topoisomerases GyrB and ParE.

Toxic bacteria competition

Image credit: pbio.3003208

05/27/2025

Short Reports

COFE: detecting circadian rhythms in tumours

The study of circadian rhythms in human internal tissues requires repeated sampling across time, which is very challenging. Bharath Ananthasubramaniam and Ramji Venkataramanan develop COFE, a new machine learning algorithm that enables virtual sampling of internal human tissues over time, and reveal new insights into the in vivo circadian rhythms of human tumors.

COFE: detecting circadian rhythms in tumours

Image credit: pbio.3003196

05/27/2025

Discovery Report

An animal toxin-antidote system

One of the best-characterized animal toxin-antidote systems is the peel-1/zeel-1 system in C. elegans, but the molecular mechanism of toxin and antidote activity remains unknown. Lews Caro, Michael Ailion and co-authors show that PEEL-1 co-opts the PMPL-1 membrane protein to exert toxicity by creating a novel ion channel that leads to cell swelling.


An animal toxin-antidote system

Image credit: pbio.3003182

05/20/2025

Perspective

Ocean sanctuaries for captive cetaceans

Increasing concerns over the welfare of captive cetaceans have led to calls for their transfer to sanctuaries. This Perspective describes an unprecedented collaboration to develop the first accreditation guidelines for authentic ocean sanctuaries.

Ocean sanctuaries for captive cetaceans

Image credit: pbio.3003166

05/15/2025

Perspective

Is pathogen prediction possible?

To what extent can we predict future pathogenic microbes? Arturo Casadevall discusses why complex requirements for virulence and dynamic host-microbe interactions make probabilistic predictions difficult, but not impossible.

Is pathogen prediction possible?

Image credit: pbio.3003162

05/07/2025

Consensus View

Naming rods and cones

Vertebrate photoreceptors have been studied for well over a century, but a fixed nomenclature across species has been lacking. This Consensus View proposes a new consolidated and pan-vertebrate naming system for the rod and cone photoreceptors of the eye.

Naming rods and cones

Image credit: pbio.3003157

05/07/2025

Perspective

A refined picture of interferon

Interferon is a central component of the vertebrate antiviral response. John Schoggins highlights recent findings that suggest a refined ‘limited set’ model of its activity, in which distinct viruses are targeted by small subsets of the induced gene repertoire.

A refined picture of interferon

Image credit: pbio.3003154

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