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Oral microbiome analysis of COVID-19 patients

Research Project

Project/Area Number 21K16323
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 54030:Infectious disease medicine-related
Research InstitutionNagasaki University

Principal Investigator

Ota Kenji  長崎大学, 病院(医学系), 助教 (70894624)

Project Period (FY) 2021-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2022: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2021: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
KeywordsCOVID-19 / SARS-CoV-2 / 細菌叢解析 / 唾液 / 口腔内細菌叢 / microbiome
Outline of Research at the Start

COVID-19の重症化の機序は十分に解明されていない。口腔内の細菌の集合である口腔内細菌叢は、多くの疾患との関連性が報告されており、COVID-19の病態とも関連している可能性がある。本研究では、COVID-19患者から採取された唾液を用いて細菌叢を解析し、口腔内細菌叢とCOVID-19の関連を明らかにし、病態解明や重症化の機序、治療法への応用などに新しい展開をもたらすことを目指す。

Outline of Final Research Achievements

We aimed to clarify the association between COVID-19 and oral microbiota. Oral microbiota analysis was performed using saliva samples collected from 1. COVID-19 patients and non-infected subjects, and 2. COVID-19 patients over time (day1, day3, day7, day14). No significant changes in the diversity of the oral microbiota were observed between COVID-19 patients and healthy controls, but several changes in abundance of families and species were observed. Similarly, the abundance of families and species changed over time, though the diversity showed no significant changes with time.

Academic Significance and Societal Importance of the Research Achievements

本研究により、COVID-19による口腔内細菌叢の変化が明らかになった。我々ので占有率に変化がみられた細菌は、SARS-CoV-2のウイルス量やCOVID-19後遺症と関連がある可能性が報告されている。本研究結果をもとに、特定の細菌が産生するタンパク質が及ぼす病態への関与を明らかにしていく研究が今後望まれる。

Report

(3 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • Research Products

    (7 results)

All 2023 2022 2021

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Open Access: 2 results) Presentation (5 results)

  • [Journal Article] Performance of the GeneSoC Rapid PCR System in Detection of SARS-CoV-2 from Saliva Specimens2023

    • Author(s)
      Ota Kenji、Kurahara Ryo、Tsukamoto Chie、Kawamoto Yasuhide、Akamatsu Norihiko、Sasaki Daisuke、Mitsumoto-Kaseida Fujiko、Sakamoto Kei、Kosai Kosuke、Hasegawa Hiroo、Yamamoto Kazuko、Izumikawa Koichi、Mukae Hiroshi、Yanagihara Katsunori
    • Journal Title

      Microbiology Spectrum

      Volume: 11 Issue: 2 Pages: 1-3

    • DOI

      10.1128/spectrum.03259-22

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Serological response to a third dose of SARS-CoV-2 vaccine according to previous infection history2023

    • Author(s)
      Ota Kenji、Murakami Satoshi、Ishihara Kaori、Sasaki Daisuke、Usui Tetsuya、Mitsumoto-Kaseida Fujiko、Sakamoto Ke、Mukae Hiroshi、Kohno Shigeru、Yanagihara Katsunori
    • Journal Title

      Vaccine: X

      Volume: 13 Pages: 100282-100282

    • DOI

      10.1016/j.jvacx.2023.100282

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] COVID-19患者における口腔内細菌叢の解析2022

    • Author(s)
      太田 賢治
    • Organizer
      第33回日本臨床微生物学会総会
    • Related Report
      2021 Research-status Report
  • [Presentation] COVID-19による口腔内細菌叢における嫌気性菌の変化2022

    • Author(s)
      太田 賢治
    • Organizer
      第51回日本嫌気性菌感染症学会
    • Related Report
      2021 Research-status Report
  • [Presentation] COVID-19患者における口腔内細菌叢の変化2022

    • Author(s)
      太田 賢治
    • Organizer
      第96回日本感染症学会・学術講演会
    • Related Report
      2021 Research-status Report
  • [Presentation] COVID-19 alters oral microbiome in closed community on a cruise ship2022

    • Author(s)
      Kenji Ota
    • Organizer
      the 32nd European Congress of Clinical Microbiology & Infectious Diseases
    • Related Report
      2021 Research-status Report
  • [Presentation] COVID-19患者における口腔内細菌叢の解析2021

    • Author(s)
      太田 賢治
    • Organizer
      九州微生物研究フォーラム2021
    • Related Report
      2021 Research-status Report

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Published: 2021-04-28   Modified: 2024-01-30  

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