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<p>In the last decade, the presence of resistant bacteria and resistance genes in the environment has been a cause for increasing concern. However, understanding of its contribution to the spread of bacteria remains limited, as the scarcity of studies on how and under what circumstances the environment facilitates the development of resistance poses challenges in mitigating the emergence and spread of mobile resistance factors. Antimicrobial resistance in the environment is considered one of the biggest challenges and threats currently emerging. Thus, monitoring the presence of antibiotic-resistant species, in this particular case, <i>Klebsiella</i> spp., in the environment can be an added value for understanding the epidemiology of infections caused by <i>Klebsiella</i> spp.. Investigating soils and waters as potential reservoirs and transmission vehicles for these bacteria is imperative. Therefore, in this review, we aimed to describe the main genetic lineages present in environmental samples, as well as to describe the multidrug resistance strains associated with each environmental source. The studies analyzed in this review reported a high diversity of species and strains of <i>Klebsiella</i> spp. in the environment. <i>K. pneumoniae</i> was the most prevalent species, both in soil and water samples, and, as expected, often presented a multi-resistant profile. The presence of <i>K. pneumoniae</i> ST11, ST15, and ST147 suggests human and animal origin. Concerning surface waters, there was a great diversity of species and STs of <i>Klebsiella</i> spp. These studies are crucial for assessing the environmental contribution to the spread of pathogenic bacteria.</p>

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From soil to surface water: exploring Klebsiella 's clonal lineages and antibiotic resistance odyssey in environmental health

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年2月27日

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  • Sara Araújo,
  • Vanessa Silva,
  • Micaela Quintelas,
  • Ângela Martins,
  • Gilberto Igrejas,
  • Patricia Poeta

摘要

In the last decade, the presence of resistant bacteria and resistance genes in the environment has been a cause for increasing concern. However, understanding of its contribution to the spread of bacteria remains limited, as the scarcity of studies on how and under what circumstances the environment facilitates the development of resistance poses challenges in mitigating the emergence and spread of mobile resistance factors. Antimicrobial resistance in the environment is considered one of the biggest challenges and threats currently emerging. Thus, monitoring the presence of antibiotic-resistant species, in this particular case, Klebsiella spp., in the environment can be an added value for understanding the epidemiology of infections caused by Klebsiella spp.. Investigating soils and waters as potential reservoirs and transmission vehicles for these bacteria is imperative. Therefore, in this review, we aimed to describe the main genetic lineages present in environmental samples, as well as to describe the multidrug resistance strains associated with each environmental source. The studies analyzed in this review reported a high diversity of species and strains of Klebsiella spp. in the environment. K. pneumoniae was the most prevalent species, both in soil and water samples, and, as expected, often presented a multi-resistant profile. The presence of K. pneumoniae ST11, ST15, and ST147 suggests human and animal origin. Concerning surface waters, there was a great diversity of species and STs of Klebsiella spp. These studies are crucial for assessing the environmental contribution to the spread of pathogenic bacteria.