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AHL-Deficient Mutants of Burkholderia ambifaria BC-F Have Decreased Antifungal Activity

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Abstract

Burkholderia ambifaria BC-F, a biocontrol strain reported previously to exhibit broad-spectrum antifungal activity, was highly active in formation of N-acyl homoserine lactones (AHLs). We constructed AHL-deficient derivatives of strain BC-F in which the genes specifying AHL synthase (bafI) and AHL-binding transcriptional activator (bafR) were inactivated by allelic exchange. The resulting AHL-deficient mutants had decreased antifungal activity.

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Authors and Affiliations

  1. Department of Microbiology, University of Massachusetts, Amherst, MA 01003, USA, US

    Hongwei Zhou, Fude Yao & Thomas G. Lessie

  2. Sustainable Agricultural Systems Laboratory, USDA-ARS, Bldg 001, Rm. 140, BARC-West, 10300 Baltimore Ave., Beltsville, MD 20705-2350, USA, US

    Daniel P. Roberts

Authors
  1. Hongwei Zhou
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  2. Fude Yao
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  3. Daniel P. Roberts
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  4. Thomas G. Lessie
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Received: 13 July 2002 / Accepted: 24 October 2002

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Zhou, H., Yao, F., Roberts, D. et al. AHL-Deficient Mutants of Burkholderia ambifaria BC-F Have Decreased Antifungal Activity. Curr Microbiol 47, 0174–0179 (2003). https://doi.org/10.1007/s00284-002-3926-z

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  • DOI: https://doi.org/10.1007/s00284-002-3926-z

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