Gut microbiota from patients with COVID-19 cause alterations in mice that resemble post-COVID symptoms
Abstract Long-term sequelae after Coronavirus disease (COVID)-19 are frequent and of major concern. SARS-CoV-2 infection affects the host's gut microbiota, which is linked with disease severity in patients with COVID-19. We report here that the gut microbiota of post-COVID subjects had a remarkable predominance of Enterobacteriaceae strains with antibiotic-resistance phenotype compared to healthy controls. Additionally, short-chain fatty acids (SCFA) levels were reduced in their feces. Fecal transplant from post-COVID subjects to germ-free mice led to lung inflammation and worst outcomes during pulmonary infection by multidrug-resistant Klebsiella pneumoniae. Transplanted mice also had poorer cognitive performance. Overall, we show prolonged impacts of SARS-CoV-2 infection in the gut microbiota that persist after subjects have cleared the virus. Together, these data demonstrate that the gut microbiota can directly contribute to post-COVID sequelae, suggesting that it may be a potential therapeutic target..
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Preprint| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
ResearchSquare.com - (2023) vom: 12. Apr. Zur Gesamtaufnahme - year:2023 |
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| Sprache: |
Englisch |
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| Links: |
Volltext [kostenfrei] |
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| doi: |
10.21203/rs.3.rs-1756189/v2 |
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| 245 | 1 | 0 | |a Gut microbiota from patients with COVID-19 cause alterations in mice that resemble post-COVID symptoms |
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| 520 | |a Abstract Long-term sequelae after Coronavirus disease (COVID)-19 are frequent and of major concern. SARS-CoV-2 infection affects the host's gut microbiota, which is linked with disease severity in patients with COVID-19. We report here that the gut microbiota of post-COVID subjects had a remarkable predominance of Enterobacteriaceae strains with antibiotic-resistance phenotype compared to healthy controls. Additionally, short-chain fatty acids (SCFA) levels were reduced in their feces. Fecal transplant from post-COVID subjects to germ-free mice led to lung inflammation and worst outcomes during pulmonary infection by multidrug-resistant Klebsiella pneumoniae. Transplanted mice also had poorer cognitive performance. Overall, we show prolonged impacts of SARS-CoV-2 infection in the gut microbiota that persist after subjects have cleared the virus. Together, these data demonstrate that the gut microbiota can directly contribute to post-COVID sequelae, suggesting that it may be a potential therapeutic target. | ||
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