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      Comparison of the inactivation capacity of various UV wavelengths on SARS-CoV-2

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          Abstract

          Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused a worldwide pandemic. Ultraviolet (UV) is regarded as a very powerful tool against SARS-CoV-2. However, the inactivating effects of different UV wavelengths on SARS-CoV-2 under the same conditions have hardly been compared. Here, we showed that SARS-CoV-2 cultured in Dulbecco's modified Eagle's medium and 2% fetal bovine serum was efficiently inactivated by irradiation with 222, 254, and 265 wavelengths UV, but not at 308 nm. In addition, it was revealed that UV absorption by DMEM-2% FBS is very efficient at 222 nm. Our results present potentially important information for selecting the optimum UV wavelength according to the application.

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          A new coronavirus associated with human respiratory disease in China

          Fan Wu, Su Zhao, Bin Yu … (2021)
          Emerging infectious diseases, such as severe acute respiratory syndrome (SARS) and Zika virus disease, present a major threat to public health 1–3 . Despite intense research efforts, how, when and where new diseases appear are still a source of considerable uncertainty. A severe respiratory disease was recently reported in Wuhan, Hubei province, China. As of 25 January 2020, at least 1,975 cases had been reported since the first patient was hospitalized on 12 December 2019. Epidemiological investigations have suggested that the outbreak was associated with a seafood market in Wuhan. Here we study a single patient who was a worker at the market and who was admitted to the Central Hospital of Wuhan on 26 December 2019 while experiencing a severe respiratory syndrome that included fever, dizziness and a cough. Metagenomic RNA sequencing 4 of a sample of bronchoalveolar lavage fluid from the patient identified a new RNA virus strain from the family Coronaviridae, which is designated here ‘WH-Human 1’ coronavirus (and has also been referred to as ‘2019-nCoV’). Phylogenetic analysis of the complete viral genome (29,903 nucleotides) revealed that the virus was most closely related (89.1% nucleotide similarity) to a group of SARS-like coronaviruses (genus Betacoronavirus, subgenus Sarbecovirus) that had previously been found in bats in China 5 . This outbreak highlights the ongoing ability of viral spill-over from animals to cause severe disease in humans.
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            A SIMPLE METHOD OF ESTIMATING FIFTY PER CENT ENDPOINTS12

            L.J. REED, H. MUENCH (1938)
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              Enhanced isolation of SARS-CoV-2 by TMPRSS2-expressing cells

              Shutoku Matsuyama, Naganori Nao, Kazuya Shirato … (2020)
              A novel betacoronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which caused a large respiratory outbreak in Wuhan, China in December 2019, is currently spreading across many countries globally. Here, we show that a TMPRSS2-expressing VeroE6 cell line is highly susceptible to SARS-CoV-2 infection, making it useful for isolating and propagating SARS-CoV-2. Our results reveal that, in common with SARS- and Middle East respiratory syndrome-CoV, SARS-CoV-2 infection is enhanced by TMPRSS2.
              Article 0 comments Cited 803 times – based on 0 reviews     Review now
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                Author and article information

                Journal
                Journal ID (nlm-ta): Biochem Biophys Rep
                Journal ID (iso-abbrev): Biochem Biophys Rep
                Title: Biochemistry and Biophysics Reports
                Publisher: The Authors. Published by Elsevier B.V.
                ISSN (Electronic): 2405-5808
                Publication date PMC-release: 7 November 2022
                Publication date (Print): December 2022
                Publication date (Electronic): 7 November 2022
                Volume: 32
                Page: 101379
                Affiliations
                [a ]Laboratory of Global Infectious Diseases Control Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
                [b ]Division of Hematology and Rheumatology, Department of Medicine, Nihon University School of Medicine, 30-1 Oyaguchi-kamichou, Itabashi-ku, Tokyo, 173-8610, Japan
                [c ]Laboratory of Global Animal Resource Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan
                [d ]Photonics Control Technology Team, RIKEN Center for Advanced Photonics, Hirosawa 2-1, Wako, 351-0198, Japan
                Author notes
                [∗ ]Corresponding author. Laboratory of Global Infectious Diseases Control Science, Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo, 113-8657, Japan.
                Article
                Publisher Item ID: S2405-5808(22)00179-0 Publisher ID: 101379
                DOI: 10.1016/j.bbrep.2022.101379
                PMC ID: 9638801
                SO-VID: 1825ec29-a173-4265-8273-8c3a5f75f2dd
                Copyright © © 2022 The Authors
                License:

                Since January 2020 Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website. Elsevier hereby grants permission to make all its COVID-19-related research that is available on the COVID-19 resource centre - including this research content - immediately available in PubMed Central and other publicly funded repositories, such as the WHO COVID database with rights for unrestricted research re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for free by Elsevier for as long as the COVID-19 resource centre remains active.

                History
                Date received : 25 August 2022
                Date revision received : 5 October 2022
                Date accepted : 3 November 2022
                Categories
                Subject: Article

                Keywords: sars-cov-2,covid-19,uv,inactivation
                Data availability:
                Keywords: sars-cov-2, covid-19, uv, inactivation

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