Cited by 515SARS-CoV-2 and COVID-19 ResearchCOVID-19 Clinical Research StudiesEvolution and Genetic Dynamics

The DOI matches its Crossref record; 43 of the 43 references it cites were found in a registry or an index.

Genomic Diversity of Severe Acute Respiratory Syndrome–Coronavirus 2 in Patients With Coronavirus Disease 2019

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Abstract

Background: A novel coronavirus (CoV), severe acute respiratory syndrome (SARS)–CoV-2, has infected >75 000 individuals and spread to >20 countries. It is still unclear how fast the virus evolved and how it interacts with other microorganisms in the lung. Methods: We have conducted metatranscriptome sequencing for bronchoalveolar lavage fluid samples from 8 patients with SARS–CoV-2, and also analyzed data from 25 patients with community-acquired pneumonia (CAP), and 20 healthy controls for comparison. Results: The median number of intrahost variants was 1–4 in SARS–CoV-2–infected patients, ranged from 0 to 51 in different samples. The distribution of variants on genes was similar to those observed in the population data. However, very few intrahost variants were observed in the population as polymorphisms, implying either a bottleneck or purifying selection involved in the transmission of the virus, or a consequence of the limited diversity represented in the current polymorphism data. Although current evidence did not support the transmission of intrahost variants in a possible person-to-person spread, the risk should not be overlooked. Microbiotas in SARS–CoV-2–infected patients were similar to those in CAP, either dominated by the pathogens or with elevated levels of oral and upper respiratory commensal bacteria. Conclusion: SARS–CoV-2 evolves in vivo after infection, which may affect its virulence, infectivity, and transmissibility. Although how the intrahost variant spreads in the population is still elusive, it is necessary to strengthen the surveillance of the viral evolution in the population and associated clinical changes.

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Metadata

Authors
Shen, Z., Xiao, Y., Kang, L., Ma, W., Shi, L., Zhang, L., Zhou, Z., Yang, J., Zhong, J., Yang, D., Guo, L., Zhang, G., Li, H., Xu, Y., Chen, M., Gao, Z., Wang, J., Ren, L., & Li, M.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Chinese Academy of Medical Sciences & Peking Union Medical College (CN)
  • Peking University (CN)
  • Peking University People's Hospital (CN)
  • Southern University of Science and Technology (CN)
  • Fujian Provincial Hospital (CN)
  • First Affiliated Hospital of Xi'an Jiaotong University (CN)
Corresponding author
Li, Mingkun
Venue
Clinical Infectious Diseases
Published
2020-03-09
Volume
71
Issue
15
Pages
713-720
ISSN
  • 1058-4838 (ISSN-L)
  • 1537-6591
OpenAlex
W3009109635
Cited by
513
References
43
Citations by year
2026: 4 · 2025: 8 · 2024: 29 · 2023: 48 · 2022: 86 · 2021: 180 · 2020: 157
FWCI
15.49
Type
journal article
Language
en
Open access
Locations
  • Clinical Infectious Diseases (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Chinese Academy of Medical Sciences Innovation Fund for Medical Sciences (2016-I2M-1-014)
  • National Major Science & Technology Project for Control and Prevention of Major Infectious Diseases in China (2017ZX10103004, 2018ZX10305409, 2018ZX10301401, 2018ZX1073240)
  • National Natural Science Foundation of China (31670169, 31871263)
  • Open Project of Key Laboratory of Genomic and Precision Medicine, Chinese Academy of Sciences
Topics
  • Health Sciences › Medicine › Infectious Diseases › SARS-CoV-2 and COVID-19 Research
  • Health Sciences › Medicine › Infectious Diseases › COVID-19 Clinical Research Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Evolution and Genetic Dynamics
Keywords
SARS-CoV-2, COVID-19 pandemic, viral evolution, metatranscriptomics, bronchoalveolar lavage fluid, lung microbiome, community-acquired pneumonia, virus transmission, purifying selection, commensal bacteria
MeSH terms
Betacoronavirus, COVID-19, SARS-CoV-2, Humans, Pneumonia, Viral, Genetic Variation, Coronavirus, Coronavirus Infections, Genomics, Severe Acute Respiratory Syndrome, Pandemics

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