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. 2003;52(3):233-43.

Horizontal DNA Transfer Between Bacteria in the Environment

  • PMID: 14743976

Horizontal DNA Transfer Between Bacteria in the Environment

Krystyna I Wolska. Acta Microbiol Pol. .


In the environment horizontal DNA transfer between various bacterial species and genera takes place by transformation, transduction, but mainly by conjugation. Conjugation is responsible for the spread of genes coding for antibiotic resistance and xenobiotic degradation. Transfer events are reported in animal, rhizosphere and phylloplane ecosystems and in non polluted and polluted water and soil. Genetic exchange between Bacteria and Archaea is also observed. Evaluation of the extent of interspecies gene transfer is crucial in view of the deliberate release of a variety of unmodified and genetically modified microorganisms into the natural environments.

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