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Laboratory-contained microcosms are important for studying the fate and survival of genetically engineered microorganisms. In this study, we describe a simple aquatic microcosm that utilizes survival chambers in a flowthrough or static renewal system. The model was used to study the survival of genetically engineered and wild-type strains of Escherichia(More)
The fates of genetically modified (GM)Escherichia coli andPseudomonas putida in the corn rhizosphere were investigated. Under hydrophonic and sterile conditions, both bacteria grew well in the presence of root exudates used as a sole carbon source. The growth patterns of wild types and genetically modified strains ofE. coli andP. putida were similar under(More)
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