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PRODUCTION OF EXTRACELLULAR NUCLEIC ACIDS BY GENETICALLY ALTERED BACTERIA IN AQUATIC-ENVIRONMENT MICROCOSMS
Citation:
Paul, J. AND A. David. PRODUCTION OF EXTRACELLULAR NUCLEIC ACIDS BY GENETICALLY ALTERED BACTERIA IN AQUATIC-ENVIRONMENT MICROCOSMS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/J-89/176 (NTIS PB90140781), 1989.
Description:
Factors which affect the production of extracellular DNA by genetically altered strains of Escherichia coli, Pseudomonas aeruginosa, pseudomonas cepacia, and Bradyrhizobium japonicum in aquatic environments were investigated. he presence or absence of the ambient microbial community had little effect on the production of extracellular DNA. esults indicate the (i) extracellular-DNA production by genetically altered bacteria released into aquatic environments is more strongly influenced by physiochemical factors than biotic factors, (ii) extracellular DNA production rates are usually greater for organisms released in freshwater than marine environments, and (iii) ambient microbial populations can readily utilize materials released by these organisms.
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PRODUCTION OF EXTRACELLULAR NUCLEIC ACIDS BY GENETICALLY ALTERED BACTERIA IN AQUATIC-ENVIRONMENT MICROCOSMS