[HTML][HTML] Viva lavidaviruses! Five features of virophages that parasitize giant DNA viruses

S Duponchel, MG Fischer - PLoS Pathogens, 2019 - journals.plos.org
Viruses are obligate intracellular parasites and thus cannot replicate outside a living cell.
Whereas a susceptible and permissive host cell is sufficient for most viruses to produce …

Virophages and retrotransposons colonize the genomes of a heterotrophic flagellate

T Hackl, S Duponchel, K Barenhoff, A Weinmann… - Elife, 2021 - elifesciences.org
Virophages can parasitize giant DNA viruses and may provide adaptive anti-giant virus
defense in unicellular eukaryotes. Under laboratory conditions, the virophage mavirus …

Hepatitis C virus infection triggers a tumor‐like glutamine metabolism

PL Lévy, S Duponchel, H Eischeid, J Molle… - Hepatology, 2017 - journals.lww.com
Chronic infection with hepatitis C virus (HCV) is one of the main causes of hepatocellular
carcinoma. However, the molecular mechanisms linking the infection to cancer development …

Glutathione peroxidase 4 is reversibly induced by HCV to control lipid peroxidation and to increase virion infectivity

C Brault, P Lévy, S Duponchel, M Michelet, A Sallé… - Gut, 2016 - gut.bmj.com
Objective Inflammation and oxidative stress drive disease progression in chronic hepatitis C
(CHC) towards hepatocellular carcinoma. HCV is known to increase intracellular levels of …

[HTML][HTML] Hepatitis C virus replication requires integrity of mitochondria-associated ER membranes

S Duponchel, L Monnier, J Molle, N Bendridi, MR Alam… - JHEP Reports, 2023 - Elsevier
Background & Aims Chronic HCV infection causes cellular stress, fibrosis and predisposes
to hepatocarcinogenesis. Mitochondria play key roles in orchestrating stress responses by …

[HTML][HTML] Four high-quality draft genome assemblies of the marine heterotrophic nanoflagellate Cafeteria roenbergensis

T Hackl, R Martin, K Barenhoff, S Duponchel, D Heider… - Scientific Data, 2020 - nature.com
The heterotrophic stramenopile Cafeteria roenbergensis is a globally distributed marine
bacterivorous protist. This unicellular flagellate is host to the giant DNA virus CroV and the …

[HTML][HTML] Rotavirus rearranged genomic RNA segments are preferentially packaged into viruses despite not conferring selective growth advantage to viruses

C Troupin, A Schnuriger, S Duponchel, C Deback… - PLoS …, 2011 - journals.plos.org
The rotavirus (RV) genome consists of 11 double-stranded RNA segments. Sometimes,
partial sequence duplication of an RNA segment leads to a rearranged RNA segment. To …

Visualization of giant virus particles using BONCAT labeling and STED microscopy

M Berjón-Otero, S Duponchel, T Hackl, M Fischer - bioRxiv, 2020 - biorxiv.org
Giant DNA viruses of the phylum Nucleocytoviricota are being increasingly recognized as
important regulators of natural protist populations. However, our knowledge of their infection …

Endogenous virophages populate the genomes of a marine heterotrophic flagellate

T Hackl, S Duponchel, K Barenhoff, A Weinmann… - bioRxiv, 2020 - biorxiv.org
Endogenous viral elements (EVEs) are frequently found in eukaryotic genomes, yet their
integration dynamics and biological functions remain largely unknown. Unlike most other …

Transfection of exogenous rotavirus rearranged RNA segments in cells infected with a WT rotavirus results in subsequent gene rearrangements

S Duponchel, C Troupin, LT Vu… - Journal of General …, 2014 - microbiologyresearch.org
Group A rotaviruses, members of the family Reoviridae, are a major cause of infantile acute
gastroenteritis. The rotavirus genome consists of 11 dsRNA segments. In some cases, an …