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Isolation and genome sequence analyses of 2019-nCoV from COVID-19 patients in Fujian Province, China
Chinese Journal of Zoonoses ; 36(5):349-353, 2020.
Article in Chinese | GIM | ID: covidwho-833456
ABSTRACT
To explore genomic characteriation of 2019-nCoV, throat swab specimens from COVID-19 patients were inoculated on Vero-E6 cells. Six days post-inoculation, supernatants of cell cultures were collected, tested, and sequenced on the Ion Torrent S5 Next-Generation Sequencing system. Two strains viruses were isolated from 12 specimens (eight of them were positive in ORF1ab gene and N gene, one of them was positive in N gene and three of them were negative in ORF1ab gene and N gene), as confirmed by online BLAST search at NCBI website. Genetic similarity of more than 99.9% were observed, from genomic level to structure genes including E, M, N and S genes, between the 2 isolates and the 2019-nCoV reference strain Wuhan-Hu-1 that isolated from Wuhan, Hubei province. Therefore, these results indicated that 2019-nCoV isolates in Fujian province have not mutated significantly yet so far.

Full text: Available Collection: Databases of international organizations Database: GIM Language: Chinese Journal: Chinese Journal of Zoonoses Year: 2020 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: GIM Language: Chinese Journal: Chinese Journal of Zoonoses Year: 2020 Document Type: Article