Lower Firmicutes abundance in gut microbiota associated with amyloid-β positivity in older adults in Japan as assessed by positron emission tomography

• Narumi Kojima ,

  Roles Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft

  * E-mail: nkojima@tmig.or.jp

  Affiliation Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

  https://orcid.org/0000-0001-5742-0389

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• Yosuke Osuka,

  Roles Investigation, Methodology, Writing – review & editing

  Affiliations Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan, National Center for Geriatrics and Gerontology, Aichi, Japan

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• Hiroyuki Sasai,

  Roles Formal analysis, Investigation, Methodology, Supervision, Writing – review & editing

  Affiliation Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

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• Shoji Shinkai,

  Roles Funding acquisition, Methodology, Project administration, Supervision

  Affiliation Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

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• Kenji Ishii,

  Roles Investigation, Methodology, Project administration, Resources, Writing – review & editing

  Affiliation Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

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• Noriyuki Kohda,

  Roles Conceptualization, Funding acquisition, Methodology, Resources, Writing – review & editing

  Affiliation Otsu Nutraceuticals Research Institute, Otsuka Pharmaceutical Co., Ltd., Shiga, Japan

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• Yodai Kobayashi,

  Roles Conceptualization, Methodology, Resources, Writing – review & editing

  Affiliation Otsu Nutraceuticals Research Institute, Otsuka Pharmaceutical Co., Ltd., Shiga, Japan

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• Hunkyung Kim

  Roles Conceptualization, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Supervision

  Affiliation Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan

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