Résultats de la recherche - 451 results

A molecular assay for rapidly distinguishing the AviPro SALMONELLA VAC T vaccine strain from wild-type field isolates

genes which enable to distinguish field and vaccine strains. Based on this information, we developed and validated (n = 199) a Luminex-based assay targeting seven specific single-nucleotide polymorphisms. ...

Safety assessment of titanium dioxide (E171) as a food additive.

effects. With respect to genotoxicity, the Panel concluded that TiO particles have the potential to induce DNA strand breaks and chromosomal damage, but not gene mutations. No clear correlation was observed ...

Deepening of In Silico Evaluation of SARS-CoV-2 Detection RT-qPCR Assays in the Context of New Variants

Source: Genes, Volume 12, Issue 4 (2021) Keywords: SARS-CoV-2; COVID-19; variants; detection; RT-qPCR; in silico specificity evaluation; bioinformatics tool; WGS data; mismatches; primers and probes ...

Identification of flavouring substances of genotoxic concern present in e-cigarette refills

tested flavourings induced gene mutations and chromosome damage in vitro, whereas equivocal results were obtained for the fourth compound. Thus, although there is a legislative framework which excludes the ...

Staphylococcal enterotoxin gene cluster: prediction of enterotoxin (SEG and SEI) production and of the source of food poisoning based on Saβ typing.

analyzed using commercially available kits.Six genes (and), encoding putative and undetectable enterotoxins, are located on the enterotoxin gene cluster () which is part of the genomic island Saβ. These ...

Genomic epidemiology of emerging ESBL-producing Kentucky in Europe.

Kentucky. Routine surveillance at the European Centre for Disease Prevention and Control (ECDC) detected cases with a ciprofloxacin-resistant. Kentucky with the ESBL-gene. Ensuing research identified 78 cases ...

Spatial and molecular mapping of Pfkelch13 gene polymorphism in Africa in the era of emerging Plasmodium falciparum resistance to artemisinin: a systematic review.

isolates carrying mutations in the kelch13 (Pfkelch13) gene associated with artemisinin resistance (PfART-R) in southeast Asia threatens malaria control and elimination efforts. Emergence of PfART-R in ...

Efficient control of Japanese encephalitis virus in the central nervous system of infected pigs occurs in the absence of a pronounced inflammatory immune response.

olfactory bulb and thalamus, where JEV replication was not completely controlled by this mechanism, a short but strong induction of chemokine gene expression was detected. An increased IFN y expression was ...

Deep amplicon sequencing for culture-free prediction of susceptibility or resistance to 13 anti-tuberculous drugs.

residual discordances involved gene deletions/indels and 3-12% heteroresistant calls undetected by WGS analysis, or natural pyrazinamide resistance of globally rare ” strains then unreported by Deeplex Myc- ...

New QSAR models to predict chromosome damaging potential based on the in vivo micronucleus test

methods to determine the potential of chemicals to induce mutations at the gene level has been developed over the last decades. Conversely, only few such methods are currently available to predict potential ...

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