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Enrichment of Cadmium-Mediated Antibiotic-Resistant Bacteria in a Douglas-Fir 'Pseudotsuga menziesii' Litter Microcosm

机译:在道格拉斯 - 凤凰'pseudotsuga menziesii'凋落物微观世界中富集镉介导的抗生素抗性细菌

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A set of Douglas-fir needle microcosms was amended with cadmium, acid, a combination of both, or neither. After 2 weeks of incubation, bacterial colony counts were made of litter homogenates inoculated onto agar media containing an antibiotic (streptomycin, chloromycetin, ampicillin, or gentamicin), cadmium, both, or neither. In all microcosms bacterial abundance was similar but the quality was very dissimilar. Cadmium-treated microcosms had populations enriched for cadmium and gentamicin resistance and streptomycin and chloramphenicol sensitivity.

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