Construction and characterization of heavy metal-resistant haloaromatic- degrading Alcaligenes eutrophus strains

D. Springael; L. Diels; Liliane Hooyberghs; S. Kreps; M. Mergeay

doi:10.1128/aem.59.1.334-339.1993

Construction and characterization of heavy metal-resistant haloaromatic- degrading Alcaligenes eutrophus strains

D. Springael, L. Diels, Liliane Hooyberghs, S. Kreps, M. Mergeay

Research output › peer-review

Abstract

Alcaligenes eutrophus strains exhibiting both plasmid-borne heavy metal resistance and haloaromatic-degrading functions were obtained by intraspecific conjugation. The strains which we constructed expressed catabolic and resistance markers together. Degradation of various polychlorinated biphenyl isomers and 2,4-D (2,4-dichlorophenoxyacetic acid) was observed in the presence of 1 mM nickel or 2 mM zinc, provided that the metal resistance determinant was present in the catabolizing strain. Such strains may be useful for decontamination of sites that are polluted with both organic compounds and heavy metals.

Original language	English
Pages (from-to)	334-339
Number of pages	6
Journal	Applied and Environmental Microbiology
Volume	59
Issue number	1
DOIs	https://doi.org/10.1128/aem.59.1.334-339.1993
State	Published - 1993

ASJC Scopus subject areas

Biotechnology
Food Science
Applied Microbiology and Biotechnology
Ecology

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10.1128/aem.59.1.334-339.1993

Cite this

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AU - Hooyberghs, Liliane

AU - Kreps, S.

AU - Mergeay, M.

PY - 1993

Y1 - 1993

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AB - Alcaligenes eutrophus strains exhibiting both plasmid-borne heavy metal resistance and haloaromatic-degrading functions were obtained by intraspecific conjugation. The strains which we constructed expressed catabolic and resistance markers together. Degradation of various polychlorinated biphenyl isomers and 2,4-D (2,4-dichlorophenoxyacetic acid) was observed in the presence of 1 mM nickel or 2 mM zinc, provided that the metal resistance determinant was present in the catabolizing strain. Such strains may be useful for decontamination of sites that are polluted with both organic compounds and heavy metals.

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