Antibacterial and antibiofilm activities of Mayan medicinal plants against Methicillin-susceptible and -resistant strains of Staphylococcus aureus
| Autor: | Geovani Palma-Pech, José Salvador Flores-Guido, Carlos Gracida-Osorno, Angel de Jesús Dzul-Beh, Andrés Humberto Uc-Cachón, Gloria María Molina-Salinas, Bertha Jiménez-Delgadillo |
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| Rok vydání: | 2021 |
| Předmět: |
Methicillin-Resistant Staphylococcus aureus
Staphylococcus aureus Spondias Microbial Sensitivity Tests medicine.disease_cause 03 medical and health sciences Minimum inhibitory concentration chemistry.chemical_compound Inhibitory Concentration 50 0302 clinical medicine Drug Discovery medicine Humans Medicinal plants Mexico 030304 developmental biology Pharmacology 0303 health sciences Minimum bactericidal concentration Plants Medicinal biology Traditional medicine Plant Extracts food and beverages Resazurin Staphylococcal Infections biology.organism_classification Methicillin-resistant Staphylococcus aureus Anti-Bacterial Agents chemistry 030220 oncology & carcinogenesis visual_art Biofilms visual_art.visual_art_medium Bark Medicine Traditional |
| Zdroj: | Journal of ethnopharmacology. 279 |
| ISSN: | 1872-7573 |
| Popis: | Ethnopharmacological relevance Several medicinal plants are used in Mayan Traditional Medicine to treat skin, urinary, respiratory, and gastrointestinal infectious diseases. However, scientific studies that have supported the bioactivity of these Mayan medicinal plants are limited. Aim of the study To assess the in-vitro anti-Staphylococcus aureus growth and biofilm-formation activities of 15 Mayan medicinal plants that were selected based on their traditional uses for the treatment of infectious diseases. Materials and methods Mayan medicinal plants used traditionally to treat infectious diseases were preselected. For each part of the plants, four extracts were prepared with different solvents (water, n-hexane, ethyl acetate, and methanol). These were tested against two reference strains: a Methicillin-susceptible and -resistant S. aureus, and two clinical isolates, including a susceptible and multidrug-resistant S. aureus using a Resazurin Microtiter Assay. In addition, the plant extracts were evaluated in biofilm-formation inhibition on S. aureus by means of the Crystal Violet method. Results A total of 120 extracts from 15 Mayan medicinal plant species belonging to 12 different families were selected according their ethnopharmacological uses to treat infectious diseases. Among the selected plant species, 26 extracts obtained from eight medicinal Mayan plants exhibited significant anti-S. aureus against the four strains tested. The most active extracts were the Aq (aqueous) leaf extract of Krugiodendron ferreum (Minimal Inhibitory Concentration [MIC] = 125–250 μg/mL), the MeOH bark extracts of Matayba oppositifolia, Clusia flava, Gymnopodium floribundum, the MeOH leaf extract of Spondias purpurea with MIC values of 250 μg/mL, and the MeOH leaf and Aq bark extracts of K. ferreum (MIC = 250–500 μg/mL). Among the active extracts, 12 exhibited a bactericidal effect on S. aureus strains (Minimal Bactericidal Concentration [MBC] = 250–1000 μg/mL). Forty extracts from 13 plants have an effect on the anti-formation of biofilm, the most active were the MeOH leaf extract of M. oppositifolia (one-half Inhibitory Concentration [IC50] = 10.4 μg/mL) and the MeOH (IC50 = 17.7 μg/mL) and Hex (18.2 μg/mL) leaf extracts from S. purpurea. Conclusion Aqueous and organic extracts from Mayan medicinal plants showed bactericidal and anti-biofilm activities even against drug-resistant S. aureus strains. The present study supports the traditional usage of some plants employed in Mayan medicine for illnesses such as skin, gastrointestinal, and urinary infections and suggest that these plants could be a good source of antibacterial phytochemicals. |
| Databáze: | OpenAIRE |
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