ArticleFolia microbiologica2026
Identification of antigonorrhoeal phytochemical lead compounds using a metabolomics-guided approach.
Article in Folia microbiologica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Neisseria gonorrhoeae remains a high-priority pathogen according to the World Health Organisation Bacterial Priority Pathogens List. In South Africa, increasing antimicrobial resistance to tetracycline, ciprofloxacin, and penicillin is limiting available treatment options for N. gonorrhoeae infections. This challenge necessitates the exploration of alternative therapeutics, with natural products representing a promising source of novel scaffolds. This study employed a metabolomics-guided approach to tentatively identify antigonorrhoeal compounds from South African medicinal plants. Sixteen crude extracts prepared by ultrasonic extraction, and 112 solid-phase extraction (SPE) fractions, were screened against N. gonorrhoeae ATCC 49981 using broth microdilution. Leaves from Helichrysum odoratissimum (L.) Sweet and leaves and twigs from Terminalia phanerophlebia Engl. & Diels yielded the most active samples, with minimum inhibitory concentrations (MICs) as low as 6.25 µg/mL. SPE fractions from both plants were analysed by Ultra-Performance Liquid Chromatography-High-Resolution Mass Spectrometry (UPLC-HRMS). Data were processed using the Waters UNIFI
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