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  1. Article: Genomic Study of COVID-19 Corona Virus Excludes Its Origin from Recombination or Characterized Biological Sources and Suggests a Role for HERVS in Its Wide Range Symptoms.

    El-Shehawi, Ahmed M / Alotaibi, Saqer S / Elseehy, Mona M

    Cytology and genetics

    2021  Volume 54, Issue 6, Page(s) 588–604

    Abstract: ... in the expected accessory orfs. Being with the biological source of COVID-19 undetected, the role ... that could modulate COVID-19 infection and the spectrum of its symptoms is discussed. ... The COVID-19 corona virus has become a world pandemic which started in December 2019 in Wuhan ...

    Abstract The COVID-19 corona virus has become a world pandemic which started in December 2019 in Wuhan, China with no confirmed biological source. Various countries reported the genomic sequence of different isolates obtained from infected patients. This allowed us to obtain a number of 38 isolates of full genomic sequences. Alignment of nucleotide (nt) sequence was carried out using Clustal Omega multiple alignment service at the EBI website. Alignment of nt sequence and phylogenetic relationship revealed that the COVID-19 is a new viral strain and its biological source has not been yet detected. The expected orf pattern was different among isolates obtained from the same country or different countries as well as from SARS-CoV isolates or bats CoV suggesting different virus human interaction possibilities during infection and severity. All isolates had the main five orfs (1ab, S, M, N, E), whereas they differed in the expected accessory orfs. Being with the biological source of COVID-19 undetected, the role of human endogenous retrovirus (HERVs) in the regulation of the host cell gene expression or the encoding for products that could modulate COVID-19 infection and the spectrum of its symptoms is discussed.
    Language English
    Publishing date 2021-01-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 390717-x
    ISSN 1934-9440 ; 0095-4527
    ISSN (online) 1934-9440
    ISSN 0095-4527
    DOI 10.3103/S0095452720060031
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Genomic Study of COVID-19 Corona Virus Excludes Its Origin from Recombination or Characterized Biological Sources and Suggests a Role for HERVS in Its Wide Range Symptoms

    El-Shehawi, Ahmed M / Alotaibi, Saqer S / Elseehy, Mona M

    Cytology and genetics. 2020 Nov., v. 54, no. 6

    2020  

    Abstract: ... in the expected accessory orfs. Being with the biological source of COVID-19 undetected, the role ... that could modulate COVID-19 infection and the spectrum of its symptoms is discussed. ... The COVID-19 corona virus has become a world pandemic which started in December 2019 in Wuhan ...

    Abstract The COVID-19 corona virus has become a world pandemic which started in December 2019 in Wuhan, China with no confirmed biological source. Various countries reported the genomic sequence of different isolates obtained from infected patients. This allowed us to obtain a number of 38 isolates of full genomic sequences. Alignment of nucleotide (nt) sequence was carried out using Clustal Omega multiple alignment service at the EBI website. Alignment of nt sequence and phylogenetic relationship revealed that the COVID-19 is a new viral strain and its biological source has not been yet detected. The expected orf pattern was different among isolates obtained from the same country or different countries as well as from SARS-CoV isolates or bats CoV suggesting different virus human interaction possibilities during infection and severity. All isolates had the main five orfs (1ab, S, M, N, E), whereas they differed in the expected accessory orfs. Being with the biological source of COVID-19 undetected, the role of human endogenous retrovirus (HERVs) in the regulation of the host cell gene expression or the encoding for products that could modulate COVID-19 infection and the spectrum of its symptoms is discussed.
    Keywords COVID-19 infection ; Internet ; Retroviridae ; cell biology ; gene expression ; genomics ; humans ; nucleotide sequences ; pandemic ; phylogeny ; viruses ; China
    Language English
    Dates of publication 2020-11
    Size p. 588-604.
    Publishing place Pleiades Publishing
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 390717-x
    ISSN 1934-9440 ; 0095-4527
    ISSN (online) 1934-9440
    ISSN 0095-4527
    DOI 10.3103/S0095452720060031
    Database NAL-Catalogue (AGRICOLA)

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