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Xue 2019 Sci Rep

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Publications in the MiPMap
Xue YP, Kao MC, Lan CY (2019) Novel mitochondrial complex I-inhibiting peptides restrain NADH dehydrogenase activity. Sci Rep 9:13694.

Β» PMID: 31548559 Open Access

Xue YP, Kao MC, Lan CY (2019) Sci Rep

Abstract: The emergence of drug-resistant fungal pathogens is becoming increasingly serious due to overuse of antifungals. Antimicrobial peptides have potent activity against a broad spectrum of pathogens, including fungi, and are considered a potential new class of antifungals. In this study, we examined the activities of the newly designed peptides P-113Du and P-113Tri, together with their parental peptide P-113, against the human fungal pathogen Candida albicans. The results showed that these peptides inhibit mitochondrial complex I, specifically NADH dehydrogenase, of the electron transport chain. Moreover, P-113Du and P-113Tri also block alternative NADH dehydrogenases. Currently, most inhibitors of the mitochondrial complex I are small molecules or artificially-designed antibodies. Here, we demonstrated novel functions of antimicrobial peptides in inhibiting the mitochondrial complex I of C. albicans, providing insight in the development of new antifungal agents.

β€’ Bioblast editor: Plangger M


Labels: MiParea: Respiration, Pharmacology;toxicology 


Organism: Fungi 

Preparation: Intact cells  Enzyme: Complex I 


HRR: Oxygraph-2k 

Labels, 2019-10