New Knowledge in the Study of Coronaviruses: Towards One Health and Whole Genome Sequencing Approaches, 2nd Edition

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Virology".

Deadline for manuscript submissions: 15 January 2025 | Viewed by 1123

Special Issue Editor


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Guest Editor
Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, 10154 Torino, Italy
Interests: microbiota; phylogeny; pestivirus; coronavirus; molecular typing
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Special Issue Information

Dear Colleagues,

This Special Issue is the continuation of our previous Special Issue, “New Knowledge in the Study of Coronaviruses: Towards One Health and Whole Genome Sequencing Approaches

Coronaviruses, belonging to the order Nidovirales, are enveloped, positive single-stranded RNA viruses that have the largest and most complex genomes among riboviruses. Their name derives from the protrusions (spikes) present in the viral envelope. The Coronaviridae family includes four genera (Alpha-, Beta-, Gamma- and Deltacoronavirus), which include several species of viruses capable of infecting humans, mammals and birds.

The advent of the SARS-CoV-2 pandemic has enormously increased the attention on these viruses, which were previously known in human pathology, especially for SARS-CoV and MERS-CoV. Often, the coronavirus environmental reservoir is represented by different animal species, especially bats; humans are the final hosts of these viruses or become infected due to spillover events. Therefore, given the presence of coronaviruses in animal hosts and their ability to spillover, it is essential to adopt a One Health approach.

Coronaviruses research should be based on molecular approaches—in particular, by adopting Whole Genome Sequencing (WGS) techniques that are needed to characterize these viruses and track possible spillover events, in order to prevent new pandemic events. In fact, if from a diagnostic point of view, it may still be sufficient to adopt classical techniques of the amplification of nucleic acids (NAATs). It is necessary to encourage the research to adopt the full genome approach to constantly increase the available knowledge about these viruses.

For these reasons, this Special Issue was designed to collect works concerning the study of coronaviruses in both humans and animals. We welcome articles that may concern both diagnostic and research aspects, with a particular emphasis on works based on WGS approaches.

Dr. Simone Peletto
Guest Editor

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Keywords

  • coronaviruses
  • whole genome sequencing Approaches
  • one health

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Research

17 pages, 1606 KiB  
Article
Efficacy of a Multistrain Synbiotic Treatment in Acute and Post-Acute COVID-19 Patients: A Double-Blind, Placebo-Controlled Randomized Trial
by Maria Letizia Giancola, Andrea Fontana, Concetta Panebianco, Antonio Mazzarelli, Alessia Beccacece, Patrizia De Marco, Giovanna Cocomazzi, Chiara De Giuli, Germana Grassi, Carla Fontana, Giorgio Maria Baldini, Viviana Contu, Massimiliano Copetti, Francesco Perri, Emanuele Nicastri and Valerio Pazienza
Microorganisms 2024, 12(7), 1443; https://doi.org/10.3390/microorganisms12071443 - 16 Jul 2024
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Abstract
Background and Aims: Several studies reported the effect of COVID-19 on inducing gut dysbiosis, which is also correlated with disease severity. This study aims to investigate the effect of a nutraceutical formula on the shift of microbiota profiles and, secondly, on the clinical–pathological [...] Read more.
Background and Aims: Several studies reported the effect of COVID-19 on inducing gut dysbiosis, which is also correlated with disease severity. This study aims to investigate the effect of a nutraceutical formula on the shift of microbiota profiles and, secondly, on the clinical–pathological parameters of acute and post-acute COVID-19 patients. Methods: In this randomised, double-blind, placebo-controlled trial conducted at National Institute for Infectious diseases (INMI) Lazzaro Spallanzani (Italy), 52 patients were randomly assigned (1:1) to receive a multistrain synbiotic formula (Kebirah®) or placebo orally for 35 days at COVID-19 diagnosis. Health professionals, investigators, and patients were masked to group assignments. The V3–V4 hypervariable region of 16S rRNA gene sequencing was employed to study the gut microbiota composition in the two groups. Results: Supplementation with Kebirah® prevented the decrease in the Shannon diversity index of gut microbiota, which was instead observed in patients receiving the placebo. In addition, decreases in lymphocyte count and haemoglobin levels were observed only in the placebo group and not in the treated group, which was also characterised by an amelioration of the gut microbial profile, with an enrichment in beneficial bacteria and a preservation of species diversity. Conclusions: Our data suggest that modulating the gut microbiota in acute disease through administration of a specific symbiotic formula could be a useful strategy in the frame of SARS-CoV-2 infections. Full article
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