Article ; Online: Heavy Metals as Catalysts in the Evolution of Antimicrobial Resistance and the Mechanisms Underpinning Co-selection.
2024 Volume 81, Issue 6, Page(s) 148
Abstract: The menace caused by antibiotic resistance in bacteria is acknowledged on a global scale. Concerns over the same are increasing because of the selection pressure exerted by a huge number of different antimicrobial agents, including heavy metals. Heavy ... ...
| Abstract | The menace caused by antibiotic resistance in bacteria is acknowledged on a global scale. Concerns over the same are increasing because of the selection pressure exerted by a huge number of different antimicrobial agents, including heavy metals. Heavy metals are non-metabolizable and recalcitrant to degradation, therefore the bacteria can expel the pollutants out of the system and make it less harmful via different mechanisms. The selection of antibiotic-resistant bacteria may be influenced by heavy metals present in environmental reservoirs. Through co-resistance and cross-resistance processes, the presence of heavy metals in the environment can act as co-selecting agents, hence increasing resistance to both heavy metals and antibiotics. The horizontal gene transfer or mutation assists in the selection of mutant bacteria resistant to the polluted environment. Hence, bioremediation and biodegradation are sustainable methods for the natural clean-up of pollutants. This review sheds light on the occurrence of metal and antibiotic resistance in the environment via the co-resistance and cross-resistance mechanisms underpinning co-selection emphasizing the dearth of studies that specifically examine the method of co-selection in clinical settings. Furthermore, it is advised that future research incorporate both culture- and molecular-based methodologies to further our comprehension of the mechanisms underlying bacterial co- and cross-resistance to antibiotics and heavy metals. |
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| MeSH term(s) | Anti-Bacterial Agents/pharmacology ; Drug Resistance, Bacterial ; Metals, Heavy ; Bacteria/genetics ; Environmental Pollutants |
| Chemical Substances | Anti-Bacterial Agents ; Metals, Heavy ; Environmental Pollutants |
| Language | English |
| Publishing date | 2024-04-20 |
| Publishing country | United States |
| Document type | Journal Article ; Review |
| ZDB-ID | 134238-1 |
| ISSN | 1432-0991 ; 0343-8651 |
| ISSN (online) | 1432-0991 |
| ISSN | 0343-8651 |
| DOI | 10.1007/s00284-024-03648-2 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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