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4-Hydroxybenzoate Uptake in an Isolated Soil Acinetobacter sp.

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Abstract.

The isolated soil bacteria Acinetobacter strain BEM2 is able to utilize some xenobiotic aromatic compounds as a carbon source. In this study the metabolism of 4-hydroxybenzoate (4-HBA) by strain BEM2 was characterized. Degradation involved a meta-cleavage pathway yielding 3,4-dihydroxybenzoate (3,4-DHBA) as an intermediate and CO2 as the principal product from the C atoms in the aromatic ring. 4-HBA uptake was studied, and the kinetic parameters were determined. The uptake was shown to be directly coupled to ATP hydrolysis and its synthesis, according to the Mitchell chemiosmotic hypothesis.

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Authors and Affiliations

  1. Departamento de Física Aplicada, Facultad de Veterinaria, Universidad Complutense de Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain , , , , , , ES

    José L. Allende & Adelia Fortún

  2. Departamento de Patología Animal y Microbiología, Facultad de Veterinaria, Universidad Complutense de Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain , , , , , , ES

    Alicia Gibello

  3. Departamento de Bioquímica y Biología Molecular IV, Facultad de Veterinaria, Universidad Complutense de Madrid, Avda. Puerta de Hierro s/n, 28040 Madrid, Spain , , , , , , ES

    Gerardo Mengs, Estrella Ferrer & Margarita Martín

Authors
  1. José L. Allende
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  2. Alicia Gibello
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  3. Adelia Fortún
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  4. Gerardo Mengs
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  5. Estrella Ferrer
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  6. Margarita Martín
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Received: 29 June 1999 / Accepted: 2 August 1999

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Allende, J., Gibello, A., Fortún, A. et al. 4-Hydroxybenzoate Uptake in an Isolated Soil Acinetobacter sp.. Curr Microbiol 40, 34–39 (2000). https://doi.org/10.1007/s002849910007

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  • DOI: https://doi.org/10.1007/s002849910007

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