Journal
AIMS ENVIRONMENTAL SCIENCE
Volume 8, Issue 1, Pages 18-35Publisher
AMER INST MATHEMATICAL SCIENCES-AIMS
DOI: 10.3934/environsci.2021002
Keywords
antibiotic resistance; wastewater; soil bacteria; antibiotic usage; horizontal gene transfer
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Antibiotic resistance is a major global public health threat, with many resistance genes originating from the environment and a large number of resistant bacteria and genes being released into the environment due to human activities. The nature and impact of this bidirectional flux are mostly unknown, highlighting the need to assess and understand the role of the environment in antibiotic resistance.
Antibiotic resistance currently causes hundreds of thousands of deaths worldwide; it is a major and growing public health threat globally. The origins of many resistance genes in pathogenic bacteria can be traced down to the environment; while a staggering number of resistant bacteria and resistance genes, selected for by human activities, are released into the environment. The nature, quantities and fates of this bidirectional flux of organisms and genes are mostly unknown. In order to understand the evolution of resistance within clinical settings, and the impact of the release of resistant bacteria into the environment, it is crucial to assess these questions and to assemble an integrated view of the problem. This review aims at providing an update on related issues previously discussed elsewhere, and to contribute to the comprehensive understanding of the environment as a source, receptacle and reservoir of antibiotic resistance.
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