The shared antibiotic resistome of soil bacteria and human pathogens.
The shared antibiotic resistome of soil bacteria and human pathogens.
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DOI:
10.1126/science.1220761
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发表时间:
2012-08-31
期刊:
影响因子:
--
通讯作者:
Dantas G
中科院分区:
文献类型:
--
作者:
Forsberg KJ;Reyes A;Wang B;Selleck EM;Sommer MO;Dantas G
Soil microbiota represent one of the ancient evolutionary origins of antibiotic resistance and have been proposed as a reservoir of resistance genes available for exchange with clinical pathogens. Using a high-throughput functional metagenomic approach in conjunction with a pipeline for the de-novo assembly of short-read sequence data from functional selections (termed PARFuMS), we provide evidence for recent exchange of antibiotic resistance genes between environmental bacteria and clinical pathogens. We describe multidrug-resistant soil bacteria containing resistance cassettes against five classes of antibiotics (β-lactams, aminoglycosides, amphenicols, sulfonamides, and tetracyclines) which have perfect nucleotide identity to genes from diverse human pathogens. This identity encompasses non-coding regions as well as multiple mobilization sequences, offering not only evidence of lateral exchange, but also a mechanism by which antibiotic resistance disseminates.
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