Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials

Antibiotic resistance in bacteria has remained a serious public health concern, resulting in substantial deaths and morbidity each year. Factors such as mutation and abuse of currently available antibiotics have contributed to the bulk of the menace. Hence, the introduction and implementation of new...

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Main Authors: Jamiu Olaseni Aribisala, Saheed Sabiu
Format: Article
Language:English
Published: MDPI AG 2022-10-01
Series:Biomolecules
Subjects:
Online Access:https://www.mdpi.com/2218-273X/12/11/1545
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author Jamiu Olaseni Aribisala
Saheed Sabiu
author_facet Jamiu Olaseni Aribisala
Saheed Sabiu
author_sort Jamiu Olaseni Aribisala
collection DOAJ
description Antibiotic resistance in bacteria has remained a serious public health concern, resulting in substantial deaths and morbidity each year. Factors such as mutation and abuse of currently available antibiotics have contributed to the bulk of the menace. Hence, the introduction and implementation of new therapeutic strategies are imperative. Of these strategies, data supporting the role of reactive oxygen species (ROS) in bacterial lethality are intriguing, with several antimicrobials, including antibiotics such as fluoroquinolones, β-lactams, and aminoglycosides, as well as natural plant compounds, being remarkably implicated. Following treatment with ROS-inducing antimicrobials, ROS such as O<sub>2</sub><sup>•−</sup>, <sup>•</sup>OH, and H<sub>2</sub>O<sub>2</sub> generated in bacteria, which the organism is unable to detoxify, damage cellular macromolecules such as proteins, lipids, and nucleic acids and results in cell death. Despite the unique mechanism of action of ROS-inducing antibacterials and significant studies on ROS-mediated means of bacterial killing, the field remains a topical one, with contradicting viewpoints that require frequent review. Here, we appraised the antibacterial agents (antibiotics, natural and synthetic compounds) implicated in ROS generation and the safety concerns associated with their usage. Further, background information on the sources and types of ROS in bacteria, the mechanism of bacterial lethality via oxidative stress, as well as viewpoints on the ROS hypothesis undermining and solidifying this concept are discussed.
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spelling doaj.art-46acc97cf3774c65b8756b69d6ed98d32023-11-24T03:52:22ZengMDPI AGBiomolecules2218-273X2022-10-011211154510.3390/biom12111545Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel AntibacterialsJamiu Olaseni Aribisala0Saheed Sabiu1Department of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. Box 1334, Durban 4000, South AfricaDepartment of Biotechnology and Food Science, Faculty of Applied Sciences, Durban University of Technology, P.O. Box 1334, Durban 4000, South AfricaAntibiotic resistance in bacteria has remained a serious public health concern, resulting in substantial deaths and morbidity each year. Factors such as mutation and abuse of currently available antibiotics have contributed to the bulk of the menace. Hence, the introduction and implementation of new therapeutic strategies are imperative. Of these strategies, data supporting the role of reactive oxygen species (ROS) in bacterial lethality are intriguing, with several antimicrobials, including antibiotics such as fluoroquinolones, β-lactams, and aminoglycosides, as well as natural plant compounds, being remarkably implicated. Following treatment with ROS-inducing antimicrobials, ROS such as O<sub>2</sub><sup>•−</sup>, <sup>•</sup>OH, and H<sub>2</sub>O<sub>2</sub> generated in bacteria, which the organism is unable to detoxify, damage cellular macromolecules such as proteins, lipids, and nucleic acids and results in cell death. Despite the unique mechanism of action of ROS-inducing antibacterials and significant studies on ROS-mediated means of bacterial killing, the field remains a topical one, with contradicting viewpoints that require frequent review. Here, we appraised the antibacterial agents (antibiotics, natural and synthetic compounds) implicated in ROS generation and the safety concerns associated with their usage. Further, background information on the sources and types of ROS in bacteria, the mechanism of bacterial lethality via oxidative stress, as well as viewpoints on the ROS hypothesis undermining and solidifying this concept are discussed.https://www.mdpi.com/2218-273X/12/11/1545antibiotic resistanceantioxidantsbacterial lethalityoxidative stressreactive oxygen species
spellingShingle Jamiu Olaseni Aribisala
Saheed Sabiu
Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
Biomolecules
antibiotic resistance
antioxidants
bacterial lethality
oxidative stress
reactive oxygen species
title Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
title_full Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
title_fullStr Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
title_full_unstemmed Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
title_short Redox Impact on Bacterial Macromolecule: A Promising Avenue for Discovery and Development of Novel Antibacterials
title_sort redox impact on bacterial macromolecule a promising avenue for discovery and development of novel antibacterials
topic antibiotic resistance
antioxidants
bacterial lethality
oxidative stress
reactive oxygen species
url https://www.mdpi.com/2218-273X/12/11/1545
work_keys_str_mv AT jamiuolaseniaribisala redoximpactonbacterialmacromoleculeapromisingavenuefordiscoveryanddevelopmentofnovelantibacterials
AT saheedsabiu redoximpactonbacterialmacromoleculeapromisingavenuefordiscoveryanddevelopmentofnovelantibacterials