Antimicrobial Potential of Secalonic Acids from Arctic-Derived Penicillium chrysogenum INA 01369

In this study, two compounds have been isolated from the Arctic-derived fungus INA 13460. Structural elucidation, performed using 2D NMR and HR-ESIMS data, has identified the compounds as stereoisomers of secalonic acids, dimeric tetrahydroxanthones. The absolute configurations of these stereoisomer...

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Published in:Antibiotics (Basel) 2025-01, Vol.14 (1), p.88
Main Authors: Roshka, Yulia A, Markelova, Natalia N, Mashkova, Sofia D, Malysheva, Kseniya V, Georgieva, Marina L, Levshin, Igor B, Polshakov, Vladimir I, Arutyunian, Alexander M, Vasilchenko, Alexey S, Sadykova, Vera S
Format: Article
Language:English
Subjects:
Acid resistance
Acids
Antibiotics
Antimicrobial activity
Antimicrobial agents
Biological control
Biomass
Biosynthesis
Circular dichroism
Dichroism
E coli
Fungi
Fusarium oxysporum
Genes
Genomes
Metabolites
Microorganisms
Multidrug resistance
NMR
Nuclear magnetic resonance
Penicillium chrysogenum
Phylogenetics
Proteins
psychrotolerant fungi
RNA polymerase
secalonic acid
Spectroscopy
Stereoisomerism
Stereoisomers
Two dimensional analysis
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Summary:In this study, two compounds have been isolated from the Arctic-derived fungus INA 13460. Structural elucidation, performed using 2D NMR and HR-ESIMS data, has identified the compounds as stereoisomers of secalonic acids, dimeric tetrahydroxanthones. The absolute configurations of these stereoisomers have been determined through conformational NMR analysis and circular dichroism spectroscopy. The antimicrobial activity of secalonic acids D and F has been evaluated against a diverse range of microorganisms, including Gram-positive multidrug-resistant , Gram-negative ATCC 25922, ATCC 27853, the phytopathogen VKM-B1247, and the fungi VKPM F 890, VKM F-37, and ATCC 16404. Genomic and chemical analyses further support INA 13460 as a promising natural source for antimicrobial drug discovery and biological control applications.
ISSN:2079-6382
2079-6382
DOI:10.3390/antibiotics14010088