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The Study of Bacterial Chemotaxis to Naphthalene

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Abstract

The chemotaxis of two pseudomonads,Pseudomonas putida AZ (Naph+) and P. putida AZ (Naph–), differing in their ability to metabolize naphthalene was studied by the known capillary method of Adler and the densitometric method devised in our laboratory. The migration of P. putida AZ (Naph+) cells toward increasing levels of naphthalene was accompanied by the formation of a migrating front of converted naphthalene. P. putida AZ (Naph–) cells also exhibited positive chemotaxis to naphthalene, but they did not form the front of converted naphthalene. The analysis of experimental data in terms of a kinetic model of bacterial chemotaxis showed that the densitometric method is a potential tool for studying bacterial chemotaxis to hydrophobic organic substances.

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Authors and Affiliations

  1. State Research Center for Applied Microbiology, Ministry of Public Health of the Russian Federation, Moscow oblast, Obolensk, 142279, Russia

    L. Yu. Zaval'skii

  2. Research Center of Toxicology and the Hygienic Regulation of Biopreparations, Ministry of Public Health of the Russian Federation, Moscow oblast, Dashkovka, 142283, Russia

    A. I. Marchenko & R. V. Borovik

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  1. L. Yu. Zaval'skii
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  2. A. I. Marchenko
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  3. R. V. Borovik
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Zaval'skii, L.Y., Marchenko, A.I. & Borovik, R.V. The Study of Bacterial Chemotaxis to Naphthalene. Microbiology 72, 363–368 (2003). https://doi.org/10.1023/A:1024216503463

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