Journal
MARINE BIOTECHNOLOGY
Volume 24, Issue 5, Pages 1014-1022Publisher
SPRINGER
DOI: 10.1007/s10126-022-10164-6
Keywords
Trichomonas vaginalis; Marine fungi; Penicillium citrinum; Marine metabolites; Citrinin; Metabolomics
Funding
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq/Brazil) [408578/2013-0, 408718/2013-7, 428538/2018-5]
- Fundacao de Apoio a Pesquisa do Estado do Rio Grande do Sul (FAPERGS/Brazil) PRONEM-FAPERGS [16/2551-0000244-4, 311553/2018-4, 313047/2020-0, 304014/2019-2, 309764/2021-1]
- CNPq
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This study evaluated the anti-Trichomonas vaginalis activity of fungi associated with marine invertebrates and found that certain compounds from these fungi show potential for overcoming drug resistance in T. vaginalis infections.
Trichomoniasis is the most common non-viral sexually transmitted infection (STI) in the world caused by Trichomonas vaginalis. Failures in the treatment with the 5-nitroimidazole class including parasite resistance to metronidazole elicit new alternatives. Marine natural products are sources of several relevant molecules, presenting a variety of metabolites with numerous biological activities. In this work, we evaluated the anti-T. vaginalis activity of fungi associated with marine invertebrates by mass spectrometry-based metabolomics approaches. After screening of six marine fungi, extract from Penicillium citrinum FMPV 15 has shown to be 100% active against T. vaginalis, and the gel permeation column on Sephadex LH-20 (R) yielded twelve organic fractions which five showed to be active. Metabolomics and statistical analyses were performed with all the samples (extract and fractions), and several compounds were suggested to be related to the activity. These components include citrinin, dicitrinin C, citreoisocoumarin, dihydrocitrinone, decarboxycitrinin, penicitrinone C, and others. The minimum inhibitory concentration (MIC) value of anti-T. vaginalis activity of citrinin was 200 mu M. The marine fungi metabolites show potential as new alternatives to overcome drug resistance in T. vaginalis infections.
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