Publications by authors named "B Valot"
Article Synopsis
- Alveolar echinococcosis (AE) is a rare, severe disease impacting over 18,000 people globally each year.
- Recent advancements in sequencing the mitochondrial genome of Echinococcus multilocularis have enabled researchers to explore the genetic diversity and evolution of the parasite.
- Analysis of 113 samples from various regions revealed four main haplogroups (HG1, HG2, HG3, and a potential HG4), with HG3 further divided into three micro-haplogroups, showing distinct geographical clusters and including new patient samples from areas outside historical endemic zones in France.
Article Synopsis
- - The study examines the Acinetobacter baumannii clonal lineage ST25 in both humans and animals, revealing its global presence and connections through phylogenetic analysis of 141 genomes.
- - Four distinct clades of ST25 were identified, with two primarily in South America and two in Europe, Asia, and America, showing variations in antibiotic resistance genes, especially OXA-23 carbapenemase.
- - Findings indicate genomic similarities between drug-resistant ST25 isolates from humans and animals, suggesting possible cross-contamination and emphasizing the need for tracking these bacteria to improve global health strategies.
Core genome multilocus sequence typing (cgMLST) has gained in popularity for bacterial typing since whole-genome sequencing (WGS) has become affordable. We introduce here pyMLST, a new complete, stand-alone, free and open source pipeline for cgMLST analysis. pyMLST can create or import a core genome database.
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- Recent reviews in paleoparasitology have overlooked certain protozoan taxa, prompting a need to assess their historical distribution and detection methods.
- Positive findings primarily emerge from South American coprolites rather than sediment samples, indicating a gap in testing in other regions like Europe.
- The lack of aDNA-based detections for these parasites, despite evidence of success, suggests a need for future research using such techniques to uncover their evolutionary history and impact on current species diversity.
The animal reservoir of Enterobacterales producing Extended-Spectrum-β-Lactamases (ESBL) and plasmid-borne cephalosporinases (pAmpC) is a global concern. Using genome data, we analyzed a population of Escherichia coli and Salmonella species resistant to third-generation cephalosporins (3GC-R) recovered from healthy food animals (HA) and diseased food animals (DA) across Europe. Among the isolates collected from HA (n = 4,498) and DA (n = 833) in up to twelve European countries, 62 (1.
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