Temporal intra-host variability of mpox virus genomes in multiple body tissues
© 2023 The Authors. Journal of Medical Virology published by Wiley Periodicals LLC..
Whole-genome sequencing (WGS) has been widely used for the genomic characterization and the phylogenesis of mpox virus (MPXV) 2022 multi-country outbreak. To date, no evidence has been reported on intra-host evolution within samples collected over time from a single patient with long-term infection. Fifty-one samples were collected from five patients at different time points post-symptom onset. All samples were confirmed as MPXV DNA positive, amplified by a multiplexed PCR amplicon, and sequenced by WGS. Complete MPXV genomes were assembled by reference mapping and then aligned to perform phylogenetic and hierarchical clustering analysis. Large intra-host variability was observed among the MPXV genomes sequenced from samples of two immunocompromised with advanced HIV-1 infection patients with prolonged MPXV shedding. Overall, 20 nucleotide mutations were identified in the 32 genomes from HIV patients, differently distributed in samples collected from different tissues and at different time points. No sequence compartmentalization nor variation was observed in the three patients with rapid viral clearance. MPXV exhibits adaptation to changing environments within the infected host and consequently demonstrates tissue compartmentalization. Further studies are needed to elucidate the role of this adaptation in forming a pool of genetic variability and contributing to viral persistence and its clinical implications.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:95 |
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| Enthalten in: |
Journal of medical virology - 95(2023), 5 vom: 03. Mai, Seite e28791 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rueca, Martina [VerfasserIn] |
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| Links: |
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| Themen: |
Compartmentalization |
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| Anmerkungen: |
Date Completed 26.05.2023 Date Revised 13.12.2023 published: Print Citation Status MEDLINE |
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| doi: |
10.1002/jmv.28791 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Whole-genome sequencing (WGS) has been widely used for the genomic characterization and the phylogenesis of mpox virus (MPXV) 2022 multi-country outbreak. To date, no evidence has been reported on intra-host evolution within samples collected over time from a single patient with long-term infection. Fifty-one samples were collected from five patients at different time points post-symptom onset. All samples were confirmed as MPXV DNA positive, amplified by a multiplexed PCR amplicon, and sequenced by WGS. Complete MPXV genomes were assembled by reference mapping and then aligned to perform phylogenetic and hierarchical clustering analysis. Large intra-host variability was observed among the MPXV genomes sequenced from samples of two immunocompromised with advanced HIV-1 infection patients with prolonged MPXV shedding. Overall, 20 nucleotide mutations were identified in the 32 genomes from HIV patients, differently distributed in samples collected from different tissues and at different time points. No sequence compartmentalization nor variation was observed in the three patients with rapid viral clearance. MPXV exhibits adaptation to changing environments within the infected host and consequently demonstrates tissue compartmentalization. Further studies are needed to elucidate the role of this adaptation in forming a pool of genetic variability and contributing to viral persistence and its clinical implications | ||
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| 700 | 1 | |a Mazzotta, Valentina |e verfasserin |4 aut | |
| 700 | 1 | |a Gramigna, Giulia |e verfasserin |4 aut | |
| 700 | 1 | |a Gruber, Cesare Ernesto Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Fabeni, Lavinia |e verfasserin |4 aut | |
| 700 | 1 | |a Giombini, Emanuela |e verfasserin |4 aut | |
| 700 | 1 | |a Matusali, Giulia |e verfasserin |4 aut | |
| 700 | 1 | |a Pinnetti, Carmela |e verfasserin |4 aut | |
| 700 | 1 | |a Mariano, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Butera, Ornella |e verfasserin |4 aut | |
| 700 | 1 | |a Specchiarello, Eliana |e verfasserin |4 aut | |
| 700 | 1 | |a Mondi, Annalisa |e verfasserin |4 aut | |
| 700 | 1 | |a Lanini, Simone |e verfasserin |4 aut | |
| 700 | 1 | |a Carletti, Fabrizio |e verfasserin |4 aut | |
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| 700 | 1 | |a Antinori, Andrea |e verfasserin |4 aut | |
| 700 | 1 | |a Maggi, Fabrizio |e verfasserin |4 aut | |
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