Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O)
BACKGROUND: Staphylococcus aureus has prevailed against the majority of antibiotics currently in clinical use, making it a significant global public health problem. As a safer alternative, bioactive compounds have been explored. Annona muricata has been shown to possess antimicrobial activity. Howev...
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BioMed Central
2022
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Online Access: | http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297590/ http://www.ncbi.nlm.nih.gov/pubmed/35854286 https://doi.org/10.1186/s12906-022-03672-4 |
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Research Edet, Uwem Okon Nwaokorie, Francisca Obiageri Mbim, Elizabeth Nkagafel Asanga, Edet Effiong Agbor, Yeneochia Ogar Okoroiwu, Henshaw Uchechi Edet, Bassey Okon Umoafia, Nikita Nkang, Ani Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
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Research |
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BACKGROUND: Staphylococcus aureus has prevailed against the majority of antibiotics currently in clinical use, making it a significant global public health problem. As a safer alternative, bioactive compounds have been explored. Annona muricata has been shown to possess antimicrobial activity. However, there are few reports on the molecular activity of A. muricata bioactive compounds against S. aureus. Thus, this study was aimed at evaluating the antimicrobial activity of its crude extract as well as investigating the potential of its bioactive compounds against the Cap5O capsular polysaccharides (CPS) of S. aureus via molecular docking. METHODS: Collection of plant leaves, preparation of extracts, anti-nutrient analysis, phytochemical screening via crude method and gas chromatography-mass spectrophotometer (GC-MS), isolation and characterization of S. aureus and the antimicrobial activity test were all done using standard protocols. Molecular docking was done using the MCULE online tool with emphasis on docking scores, toxicity, and other properties. RESULTS: Crude screening of the extracts showed the presence of polyphenols, hydroxyanthraquinones, reducing compounds, flavonoids, saponins, glycosides, alkaloids, anthraquinones, phlobatannins and tannins in different concentrations. Anti-nutrient analysis showed the presence of allowable levels of evaluated anti-nutrients. GC-MS revealed a total of twenty-nine (29) bioactive compounds, out of which only 4 (13.80%) docked without toxicity and these were bicyclo[4.1.0]heptan-2-one 6-methyl, trichloromethane, carbonic acid 2-dimethylaminoethyl propyl ester, and 1-methyl-4-phenyl-5-thioxo-1,2,4-triazolidin-3-one on either the NAD-binding or C-terminal substrate binding domain of Cap5O. CONCLUSION: Results obtained show that Cap5O could be a potential drug target for multi-drug resistant S. aureus, however, further studies aimed at evaluating these bioactive compounds individually and in combination are highly needed. SUPPLEMENTARY INFORMATION: The online version ... |
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Text |
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Edet, Uwem Okon Nwaokorie, Francisca Obiageri Mbim, Elizabeth Nkagafel Asanga, Edet Effiong Agbor, Yeneochia Ogar Okoroiwu, Henshaw Uchechi Edet, Bassey Okon Umoafia, Nikita Nkang, Ani |
author_facet |
Edet, Uwem Okon Nwaokorie, Francisca Obiageri Mbim, Elizabeth Nkagafel Asanga, Edet Effiong Agbor, Yeneochia Ogar Okoroiwu, Henshaw Uchechi Edet, Bassey Okon Umoafia, Nikita Nkang, Ani |
author_sort |
Edet, Uwem Okon |
title |
Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
title_short |
Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
title_full |
Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
title_fullStr |
Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
title_full_unstemmed |
Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) |
title_sort |
evaluation of annona muricata extract against staphylococcus aureus isolate and in-silico activity of bioactive compounds against capsular protein (cap5o) |
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BioMed Central |
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2022 |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297590/ http://www.ncbi.nlm.nih.gov/pubmed/35854286 https://doi.org/10.1186/s12906-022-03672-4 |
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BMC Complement Med Ther |
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297590/ http://www.ncbi.nlm.nih.gov/pubmed/35854286 http://dx.doi.org/10.1186/s12906-022-03672-4 |
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© The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data. |
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ftpubmed:oai:pubmedcentral.nih.gov:9297590 2023-05-15T15:52:55+02:00 Evaluation of Annona muricata extract against Staphylococcus aureus isolate and in-silico activity of bioactive compounds against Capsular protein (Cap5O) Edet, Uwem Okon Nwaokorie, Francisca Obiageri Mbim, Elizabeth Nkagafel Asanga, Edet Effiong Agbor, Yeneochia Ogar Okoroiwu, Henshaw Uchechi Edet, Bassey Okon Umoafia, Nikita Nkang, Ani 2022-07-19 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297590/ http://www.ncbi.nlm.nih.gov/pubmed/35854286 https://doi.org/10.1186/s12906-022-03672-4 en eng BioMed Central http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9297590/ http://www.ncbi.nlm.nih.gov/pubmed/35854286 http://dx.doi.org/10.1186/s12906-022-03672-4 © The Author(s) 2022 https://creativecommons.org/licenses/by/4.0/Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/ (https://creativecommons.org/publicdomain/zero/1.0/) ) applies to the data made available in this article, unless otherwise stated in a credit line to the data. CC0 PDM CC-BY BMC Complement Med Ther Research Text 2022 ftpubmed https://doi.org/10.1186/s12906-022-03672-4 2022-07-31T02:13:51Z BACKGROUND: Staphylococcus aureus has prevailed against the majority of antibiotics currently in clinical use, making it a significant global public health problem. As a safer alternative, bioactive compounds have been explored. Annona muricata has been shown to possess antimicrobial activity. However, there are few reports on the molecular activity of A. muricata bioactive compounds against S. aureus. Thus, this study was aimed at evaluating the antimicrobial activity of its crude extract as well as investigating the potential of its bioactive compounds against the Cap5O capsular polysaccharides (CPS) of S. aureus via molecular docking. METHODS: Collection of plant leaves, preparation of extracts, anti-nutrient analysis, phytochemical screening via crude method and gas chromatography-mass spectrophotometer (GC-MS), isolation and characterization of S. aureus and the antimicrobial activity test were all done using standard protocols. Molecular docking was done using the MCULE online tool with emphasis on docking scores, toxicity, and other properties. RESULTS: Crude screening of the extracts showed the presence of polyphenols, hydroxyanthraquinones, reducing compounds, flavonoids, saponins, glycosides, alkaloids, anthraquinones, phlobatannins and tannins in different concentrations. Anti-nutrient analysis showed the presence of allowable levels of evaluated anti-nutrients. GC-MS revealed a total of twenty-nine (29) bioactive compounds, out of which only 4 (13.80%) docked without toxicity and these were bicyclo[4.1.0]heptan-2-one 6-methyl, trichloromethane, carbonic acid 2-dimethylaminoethyl propyl ester, and 1-methyl-4-phenyl-5-thioxo-1,2,4-triazolidin-3-one on either the NAD-binding or C-terminal substrate binding domain of Cap5O. CONCLUSION: Results obtained show that Cap5O could be a potential drug target for multi-drug resistant S. aureus, however, further studies aimed at evaluating these bioactive compounds individually and in combination are highly needed. SUPPLEMENTARY INFORMATION: The online version ... Text Carbonic acid PubMed Central (PMC) BMC Complementary Medicine and Therapies 22 1 |