B. Gallet

Plastid translocon recycling in dinoflagellates demonstrates the portability of complex plastids between hosts

This study shows that dinoflagellates can acquire and utilize haptophyte-derived plastids, demonstrating that complex plastids can be transferred between hosts.

Life Cycle and Morphogenetic Differentiation in Heteromorphic Cell Types of a Cosmopolitan Marine Microalga

The paper investigates the life cycle and morphogenetic differentiation of decoupled cells in O. huxleyi, showing they can revert to calcified form without viral pressure and exhibit distinct transcriptomic and ultrastructural features.

Sweet and fatty symbionts: photosynthetic productivity and carbon storage boosted in microalgae within a host

This study shows that symbiotic microalgae enhance photosynthetic production and carbon storage within a host, driven by host energetic demands.

Diatom pyrenoids are encased in a protein shell that enables efficient CO2 fixation

This study identifies a protein shell surrounding diatom pyrenoids that enhances CO2 fixation efficiency and reveals its structural and functional role through in vivo and in vitro analyses.

An inducible ESCRT-III inhibition tool to control HIV-1 budding

This paper develops a drug-inducible tool to inhibit HIV-1 budding by transiently stabilizing ESCRT-III components, showing varying effects on VLP release.

Ultrastructural details of resistance factors of the bacterial spore revealed by in situ cryo-electron tomography

This study uses cryo-electron tomography to reveal the ultrastructural organization of Bacillus subtilis spores, including the toroidal chromosome and nascent coat layers during sporulation.

Targeted volume Correlative Light and Electron Microscopy of an environmental marine microorganism

The paper demonstrates a method to target and analyze the 3D ultrastructure of a photosynthetic marine microorganism using correlative light and electron microscopy.

The AAA+ ATPase RavA and its binding partner ViaA modulate E. coli aminoglycoside sensitivity through interaction with the inner membrane

This study identifies RavA and ViaA as modulators of E. coli aminoglycoside sensitivity through lipid interactions affecting membrane morphology and antibiotic resistance.

Molecular features underlying Pseudomonas aeruginosa persistence in human plasma

This study identifies molecular factors enabling Pseudomonas aeruginosa persistence in human plasma by analyzing genetic determinants and immune interactions.

Intracellular development and impact of a eukaryotic parasite on its zombified microalgal host in the marine plankton

The paper investigates how the parasite Amoebophrya alters its microalgal host's cellular structure and metabolism during infection, revealing evolutionary conserved mechanisms and a potential zombifying strategy.

Subcellular architecture and metabolic connection in the planktonic photosymbiosis between Collodaria (radiolarians) and their microalgae

This study uses multimodal imaging to analyze subcellular changes and nutrient dynamics in the photosymbiosis between Collodaria and their microalgae, revealing metabolic adaptations and nutrient allocation patterns.

Cytoklepty in the plankton: a host strategy to optimize the bioenergetic machinery of endosymbiotic algae

The paper shows that host cells manipulate algal endosymbionts to enhance their bioenergetic machinery, leading to increased carbon uptake and photosynthetic efficiency.

Correlative transmission electron microscopy and high-resolution hard X-ray fluorescence microscopy of cell sections to measure trace elements concentrations at the organelle level

The paper develops a correlative method combining SR-XRF and electron microscopy to measure trace metal concentrations at the organelle level in cells.

In-cell quantitative structural imaging of phytoplankton using 3D electron microscopy

This paper develops a 3D electron microscopy workflow to generate nanometric phytoplankton models and identifies conserved subcellular features related to energy management.

Visualization of silver nanoparticle intracellular trafficking revealed nuclear translocation of silver ions leading to nuclear receptor impairment

This study visualizes silver nanoparticle intracellular trafficking, revealing nuclear translocation of silver ions that impair nuclear receptors and disrupt liver physiology.