A nuclear receptor-like pathway regulating multidrug resistance in fungi (Record no. 43642)

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control field MX-MdCICY
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control field 20250625140611.0
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Transcribing agency CICY
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Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) B-9392
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Title A nuclear receptor-like pathway regulating multidrug resistance in fungi
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Volume/sequential designation Nature, 452, p.604, 2008
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Summary, etc. Multidrug resistance (MDR)is a serious complication during treatment of opportunistic fungal infections that frequently afflict immunocompromised individuals, such as transplant recipients and cancer patients undergoing cytotoxic chemotherapy. Improved knowledge of the molecular pathways controlling MDR in pathogenic fungi should facilitate the development of novel therapies to combat these intransigent infections. MDR is often caused by upregulation of drug efflux pumps by members of the fungal zinc-cluster transcription-factor family (for example Pdr1p orthologues). However, the molecular mechanisms are poorly understood. Here we show that Pdr1p family members in Saccharomyces cerevisiae and the human pathogen Candida glabrata directly bind to structurally diverse drugs and xenobiotics, resulting in stimulated expression of drug efflux pumps and induction of MDR. Notably, this is mechanistically similar to regulation of MDR in vertebrates by the PXR nuclear receptor, revealing an unexpected functional analogy of fungal and metazoan regulators of MDR. We have also uncovered a critical and specific role of the Gal11p/MED15 subunit of the Mediator co-activator and its activator-targeted KIX domain in antifungal/xenobiotic-dependent regulation of MDR. This detailed mechanistic understanding of a fungal nuclear receptor-like gene regulatory pathway provides novel therapeutic targets for the treatment of multidrug-resistant fungal infections.
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Personal name Thakur, J.K.
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Personal name Arthanari, H.
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Personal name Yang, F.
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Personal name Pan, S.J.
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Personal name Fan, X.
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Personal name Breger, J.
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Personal name Frueh, D.P.
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Personal name Frueh, D.P.
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Personal name Li, D.K.
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Personal name Mylonakis, E.
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Personal name Struhl, K.
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Personal name Moye-Rowley, W.S.
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Personal name Cormack, B.P.
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Personal name Wagner, G.
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Personal name Naar, A.N.
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Uniform Resource Identifier <a href="https://drive.google.com/file/d/1aX2NoJiTpOeAzT-xxSh1sL9je1nJUSYy/view?usp=drivesdk">https://drive.google.com/file/d/1aX2NoJiTpOeAzT-xxSh1sL9je1nJUSYy/view?usp=drivesdk</a>
Public note Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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Source of classification or shelving scheme Clasificación local
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Lost status Source of classification or shelving scheme Damaged status Not for loan Collection Home library Current library Shelving location Date acquired Total checkouts Full call number Date last seen Price effective from Koha item type
  Clasificación local     Ref1 CICY CICY Documento préstamo interbibliotecario 25.06.2025   B-9392 25.06.2025 25.06.2025 Documentos solicitados