One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms

<b>Background/Objectives:</b> Antimicrobial resistance (AMR) poses a significant threat to human health, and combination therapy has proven effective in combating it. It has been reported that some plant flavonoids can enhance the antibacterial effects of antibiotics and even reverse AMR...

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Main Authors: Ganjun Yuan, Fengxian Lian, Yu Yan, Yu Wang, Li Zhang, Jianping Zhu, Aiman Fatima, Yuxing Qian
Format: Article
Language:English
Published: MDPI AG 2024-12-01
Series:Antibiotics
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Online Access:https://www.mdpi.com/2079-6382/14/1/8
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author Ganjun Yuan
Fengxian Lian
Yu Yan
Yu Wang
Li Zhang
Jianping Zhu
Aiman Fatima
Yuxing Qian
author_facet Ganjun Yuan
Fengxian Lian
Yu Yan
Yu Wang
Li Zhang
Jianping Zhu
Aiman Fatima
Yuxing Qian
author_sort Ganjun Yuan
collection DOAJ
description <b>Background/Objectives:</b> Antimicrobial resistance (AMR) poses a significant threat to human health, and combination therapy has proven effective in combating it. It has been reported that some plant flavonoids can enhance the antibacterial effects of antibiotics and even reverse AMR. This study systematically evaluated the synergistic effects of plant flavonoids and clinical antibiotics. <b>Methods</b>: The antibacterial activities of thirty-seven plant flavonoids and nine clinical antibiotics with various antimicrobial mechanisms were determined using the microbroth dilution method. Subsequently, the combined effects of twelve plant flavonoids presenting definite MICs against <i>Staphylococcus aureus</i> with these nine antibiotics were determined using the checkerboard test, together with those of thirty-two plant flavonoids presenting definite MICs against <i>Escherichia coli</i> with these nine antibiotics. <b>Results</b>: Plant flavonoids in combination with antibiotics present extensive synergistic effects, and 25% of combinations exhibited synergy against <i>S. aureus</i> and 50% against <i>E. coli</i>, particularly with antibiotics affecting cell membranes or ribosomes. <b>Conclusions</b>: The findings align with the drug selection principle of synergistic combinations and suggest that plant flavonoids could extensively enhance antibiotic efficacy. Considering that various metabolites from microorganisms, plants, and animals on the Earth would definitely impact the evolution of AMR, together with the rules, key factors, and important principles of drug combination for preventing AMR, we further propose the “One Earth-One Health (OE-OH)” concept, emphasizing ecosystem interactions in AMR prevention.
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spelling doaj-art-cdfecfe4b38246b7b52f4e59db88db642025-01-24T13:18:29ZengMDPI AGAntibiotics2079-63822024-12-01141810.3390/antibiotics14010008One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various MechanismsGanjun Yuan0Fengxian Lian1Yu Yan2Yu Wang3Li Zhang4Jianping Zhu5Aiman Fatima6Yuxing Qian7Biotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaBiotechnological Engineering Center for Pharmaceutical Research and Development, Jiangxi Agricultural University, Nanchang 330045, ChinaLaboratory of Natural Medicine and Microbiological Drug, College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang 330045, China<b>Background/Objectives:</b> Antimicrobial resistance (AMR) poses a significant threat to human health, and combination therapy has proven effective in combating it. It has been reported that some plant flavonoids can enhance the antibacterial effects of antibiotics and even reverse AMR. This study systematically evaluated the synergistic effects of plant flavonoids and clinical antibiotics. <b>Methods</b>: The antibacterial activities of thirty-seven plant flavonoids and nine clinical antibiotics with various antimicrobial mechanisms were determined using the microbroth dilution method. Subsequently, the combined effects of twelve plant flavonoids presenting definite MICs against <i>Staphylococcus aureus</i> with these nine antibiotics were determined using the checkerboard test, together with those of thirty-two plant flavonoids presenting definite MICs against <i>Escherichia coli</i> with these nine antibiotics. <b>Results</b>: Plant flavonoids in combination with antibiotics present extensive synergistic effects, and 25% of combinations exhibited synergy against <i>S. aureus</i> and 50% against <i>E. coli</i>, particularly with antibiotics affecting cell membranes or ribosomes. <b>Conclusions</b>: The findings align with the drug selection principle of synergistic combinations and suggest that plant flavonoids could extensively enhance antibiotic efficacy. Considering that various metabolites from microorganisms, plants, and animals on the Earth would definitely impact the evolution of AMR, together with the rules, key factors, and important principles of drug combination for preventing AMR, we further propose the “One Earth-One Health (OE-OH)” concept, emphasizing ecosystem interactions in AMR prevention.https://www.mdpi.com/2079-6382/14/1/8combinationflavonoidantibioticsmechanismsynergyantimicrobial resistance
spellingShingle Ganjun Yuan
Fengxian Lian
Yu Yan
Yu Wang
Li Zhang
Jianping Zhu
Aiman Fatima
Yuxing Qian
One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
Antibiotics
combination
flavonoid
antibiotics
mechanism
synergy
antimicrobial resistance
title One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
title_full One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
title_fullStr One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
title_full_unstemmed One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
title_short One Earth-One Health (OE-OH): Antibacterial Effects of Plant Flavonoids in Combination with Clinical Antibiotics with Various Mechanisms
title_sort one earth one health oe oh antibacterial effects of plant flavonoids in combination with clinical antibiotics with various mechanisms
topic combination
flavonoid
antibiotics
mechanism
synergy
antimicrobial resistance
url https://www.mdpi.com/2079-6382/14/1/8
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