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  1. 医学部
  1. 医学部
  2. 学術雑誌掲載論文  (医学部)

TAC1b mutation in Candida auris decreases manogepix susceptibility owing to increased CDR1 expression

http://hdl.handle.net/10458/0002001280
http://hdl.handle.net/10458/0002001280
8ad89ef1-3631-4c92-996f-cd4c01c7b07a
名前 / ファイル ライセンス アクション
hirayama-et-al-tac1b-mutation-in-candida-auris-decreases-manogepix-susceptibility-owing-to-increased-cdr1-expression.pdf fulltext (583 KB)
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アイテムタイプ 学術雑誌論文 / Journal Article(1)
公開日 2025-05-25
タイトル
タイトル TAC1b mutation in Candida auris decreases manogepix susceptibility owing to increased CDR1 expression
言語 en
言語
言語 eng
キーワード
言語 en
キーワード antifungal resistance
キーワード
言語 en
キーワード Candida auris
キーワード
言語 en
キーワード CDR1
キーワード
言語 en
キーワード CRISPR-Cas9
キーワード
言語 en
キーワード efflux pumps
キーワード
言語 en
キーワード manogepix
キーワード
言語 en
キーワード TAC1b
資源タイプ
資源タイプ journal article
アクセス権
アクセス権 open access
著者 Hirayama, Tatsuro

× Hirayama, Tatsuro

en Hirayama, Tatsuro
Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences

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宮崎, 泰可

× 宮崎, 泰可

WEKO 34876

ja 宮崎, 泰可
宮崎大学

ja-Kana ミヤザキ, タイガ

en Miyazaki, Taiga
University of Miyazaki

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Tanaka, Rina

× Tanaka, Rina

en Tanaka, Rina
Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences

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Kitahori, Natsume

× Kitahori, Natsume

en Kitahori, Natsume
Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences

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Yoshida, Masataka

× Yoshida, Masataka

en Yoshida, Masataka
Nagasaki University Hospital

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Takeda, Kazuaki

× Takeda, Kazuaki

en Takeda, Kazuaki
Nagasaki University Hospital

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Ide, Shotaro

× Ide, Shotaro

en Ide, Shotaro
Nagasaki University Hospital

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Iwanaga, Naoki

× Iwanaga, Naoki

en Iwanaga, Naoki
Nagasaki University Hospital

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Tashiro, Masato

× Tashiro, Masato

en Tashiro, Masato
Department of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences

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Takazono, Takahiro

× Takazono, Takahiro

en Takazono, Takahiro
Nagasaki University Hospital

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Izumikawa, Koichi

× Izumikawa, Koichi

en Izumikawa, Koichi
Department of Infectious Diseases, Nagasaki University Graduate School of Biomedical Sciences

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Yanagihara, Katsunori

× Yanagihara, Katsunori

en Yanagihara, Katsunori
Nagasaki University Hospital

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Makimura, Koichi

× Makimura, Koichi

en Makimura, Koichi
Teikyo University

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Tsukamoto, Kazuhiro

× Tsukamoto, Kazuhiro

en Tsukamoto, Kazuhiro
Department of Pharmacotherapeutics, Nagasaki University Graduate School of Biomedical Sciences

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Mukae, Hiroshi

× Mukae, Hiroshi

en Mukae, Hiroshi
Nagasaki University Hospital

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抄録
内容記述タイプ Abstract
内容記述 Candida auris is an emerging pathogenic fungus that is highly resistant to existing antifungal drugs. Manogepix is a novel antifungal agent that exerts antifungal activity by inhibiting glycosylphosphatidylinositol anchor biosynthesis. Although the mechanisms of resistance of Candida species to manogepix have been reported previously, those of C. auris are yet to be studied. To investigate the resistance mechanisms of C. auris, we exposed a clinical isolate (clade I) to manogepix in vitro and generated strains with reduced susceptibility to manogepix. A search for gain-of-function mutations that upregulate efflux pump expression confirmed the presence of the D865N amino acid mutation in TAC1b. We used the clustered regularly interspaced short palindromic repeats-Cas9 system to create a recovery strain (N865D) in which only this single nucleotide mutation was returned to the wild-type sequence. We generated a mutant strain by introducing only the D865N mutation into the parent strain and a different clade strain (clade III). The D865N mutant strains were clearly less susceptible to manogepix than the parental strains and exhibited high CDR1 expression. Moreover, we generated a strain deficient in CDR1 and confirmed that this strain had significantly increased susceptibility to manogepix. Thus, the present study demonstrated that the TAC1b mutation in C. auris upregulates CDR1 expression and decreases its susceptibility to manogepix.
言語 en
bibliographic_information en : Antimicrobial Agents and Chemotherapy

巻 69, 号 2, 発行日 2025-02-01
出版者
出版者 Springer Science and Business Media LLC
言語 en
ISSN
収録物識別子タイプ PISSN
収録物識別子 00664804
ISSN
収録物識別子タイプ EISSN
収録物識別子 10986596
item_10001_relation_14
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1128/aac.01508-24
権利
権利情報 Copyright © 2024 Hirayama et al.
言語 en
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出版タイプ VoR
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